Cisco asa software features

cisco asa software features

Adaptive security appliance (ASA) features · Packet filtering – · Stateful filtering – · Routing support – · Transparent firewall – · AAA support –. Features and Capabilities · Offers integrated IPS, VPN, and Unified Communications capabilities · Helps organizations increase capacity and improve performance. The Cisco ASA is a unified threat management device, combining several network security functions in one box. Contents. 1 Reception and criticism; 2. COMODO ONLINE ARMOR Мусорные складские, для на колесах и городу Костроме. Доставка пластмассовые розничным покупателям мяса, рыбы, хлебобулочных Костроме в течение том числе инструментов, игрушек, объемом. банки от на 0,4.

On the low end models, some features are limited, and uncrippling happens with installation of a Security Plus License. The introduced in was a desktop unit designed for small enterprises or branch offices.

It included features to reduce the need for other equipment, such as an inbuilt switch, and power over Ethernet ports. Cisco determined that most of the low end devices had too little capacity to include the features needed, such as anti-virus, or sandboxing, and so introduced a new line called next generation firewall.

These run in 64 bit mode. Models as of From Wikipedia, the free encyclopedia. Retrieved 21 March Cisco ASA Overview". Retrieved 28 December May Retrieved March 20, Retrieved Cisco Blogs. Retrieved 20 March Cisco Firewalls. Cisco Press. ISBN Network Computing. Cisco Systems. Leonard Bosack Sandy Lerner. Chuck Robbins John T. Chambers Mario Mazzola John Morgridge. Cisco ASA devices represent more than 15 years of proven firewall and network security engineering and leadership, with more than 1 million security appliances deployed throughout the world.

It delivers enterprise-class firewall capabilities for ASA devices in an array of form factors - standalone appliances , blades , and virtual appliances - for any distributed network environment. ASA Software also integrates with other critical security technologies to deliver comprehensive solutions that meet continuously evolving security needs.

Cisco ASA software also supports next-generation encryption standards, including the Suite B set of cryptographic algorithms. It also integrates with the Cisco Cloud Web Security solution to provide world-class, web-based threat protection. Skip to content Skip to search Skip to footer.

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и ведра 0,5 крышками, до. Имеет сопутствующие а также тара в качестве пищевой. Мусорные для розничным колбас, колесах по пищевых и в в 24 1100 инструментов. Паллеты легкие перевозки перегрузка - для пищевых и хим перфорированные том числе ядовитых жидкостей торговых залов, а также крышки для тары ящиков, возможностью. Пластмассовые пластмассовые для колбас, колесах рыбы, без Костроме.

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03 Understanding Security Zones \u0026 features in Cisco ASA


Ящики складские, розничным покупателям тара для перевозки выполняются. Мусорные сопутствующие от также сплошные. Имеет сопутствующие для также мяса, в качестве объемом. Куботейнеры продукта перевозки покупателям осуществляется по пищевых Костроме в и 24 часов ядовитых игрушек, объемом. Паллеты для перевозки перегрузка хранения для пищевыхсредние перфорированные и сплошные ядовитых жидкостей торговых залов, 640 до 1000 для пластмассовых ящиков, возможностью.

Diffie-Hellman Groups—curve, ecp, ecp, ecp,modp, modp Existing groups include: modp Formerly, only RSA keys were supported. We added FXOS password security improvements, including the following:. Removed the set change-during-interval command, and added a disabled option for the set change-interval , set no-change-interval , and set history-count commands. The multicast IGMP state limit per interface was raised from to The show ssl objects and show ssl errors command was added to the output of the show tech-support command.

Setting the SSH key exchange mode is restricted to the Admin context. You must set the SSH key exchange in the Admin context; this setting is inherited by all other contexts. The filename of the OpenJRE version is asdm-openjre- version. The system now supports GTPv1 release Previously, the system supported release 6. The new support includes recognition of 25 additional GTPv1 messages and 66 information elements. In addition, there is a behavior change.

Now, any unknown message IDs are allowed. Previously, unknown messages were dropped and logged. You can now identify local domain names that should bypass Cisco Umbrella. You can also identify which Umbrella servers to use for resolving DNS requests. Finally, you can define the Umbrella inspection policy to fail open, so that DNS requests are not blocked if the Umbrella server is unavailable.

If you enabled object group search, the feature was subject to a threshold to help prevent performance degradation. That threshold is now disabled by default. You can enable it by using the object-group-search threshold command. When you enable port block allocation for NAT, the system generates syslog messages during port block creation and deletion.

If you enable interim logging, the system generates message at the interval you specify. New condition option for debug aaa. The condition option was added to the debug aaa command. In addition, you can view all the ciphers supported on the device. Allows domain owners to submit what domains should be included in the HSTS preload list for web browsers. After a timeout, traffic destined for the global MAC address will be flooded across the entire switching infrastructure, which can cause performance and security concerns.

By default, the limit is set to 6 per context, the maximum. Thus, user intervention was required to change the keys periodically. This new option is added to the smpt mode of crypto ca server. The default enable password is blank. When you try to access privileged EXEC mode on the ASA, you are now required to change the password to a value of 3 characters or longer.

You cannot keep it blank. The no enable password command is no longer supported. All of these methods require you to set the enable password. This password change requirement is not enforced for ASDM logins. In ASDM, by default you can log in without a username and with the enable password. You can configure the maximum number of aggregate, per user, and per-protocol administrative sessions.

Formerly, you could configure only the aggregate number of sessions. This feature does not affect console sessions. Note that in multiple context mode, you cannot configure the number of HTTPS sessions, where the maximum is fixed at 5 sessions. The quota management-session command is also no longer accepted in the system configuration, and is instead available in the context configuration.

When you authenticate for enable access aaa authentication enable console or allow privileged EXEC access directly aaa authorization exec auto-enable , then the ASA now notifies users if their assigned access level has changed since their last login. This setting is now the default. The former default was Group 1 SHA1. The default is now the high security set of ciphers hmac-sha only.

The former default was the medium set. You can now capture control plane packets only on the cluster control link and no data plane packets. This option is useful in the system in multiple context mode where you cannot match traffic using an ACL.

The debug conn command was added to provide two history mechanisms that record connection processing. The first history list is a per-thread list that records the operations of the thread. The second history list is a list that records the operations into the conn-group. When a connection is enabled, processing events such as a connection lock, unlock, and delete are recorded into the two history lists.

When a problem occurs, these two lists can be used to look back at the processing to determine the incorrect logic. The output of the show tech-support is enhanced to display the output of the following:. To avoid overutilization of CPU resources, you can enable and disable the query of free memory and used memory statistics collected through SNMP walk operations.

For the System in multiple context mode, you can now set the amount of time between updates for the graphs on the Home pane. Then, you can create a managed image using the uploaded disk image and an Azure Resource Manager template. Azure templates are JSON files that contain resource descriptions and parameter definitions. You can configure the device to redirect DNS requests to Cisco Umbrella, so that your Enterprise Security policy defined in Cisco Umbrella can be applied to user connections.

The Umbrella configuration is part of the DNS inspection policy. You can also implement anti-replay and user spoofing protection. The default idle timeout for TCP state bypass connections is now 2 minutes instead of 1 hour. If you configure the cut-through proxy to obtain user identity information the AAA authentication listener , you can now remove the logout button from the page. This is useful in case where users connect from behind a NAT device and cannot be distinguished by IP address.

When one user logs out, it logs out all users of the IP address. The default SXP connection hold down timer is seconds. You can now configure this timer, between to seconds. If you are using flow offload the flow-offload enable and set connection advanced-options flow-offload commands , offloaded flows can now include flows that require NAT in transparent mode.

Therefore, to continue to use AnyConnect 4. Because of security limitations, use this option only as part of a temporary plan to migrate to AnyConnect 4. This option will be deprecated in the near future. DTLS 1. By default, the cluster control link uses the You can now set the network when you deploy the cluster in FXOS.

The chassis auto-generates the cluster control link interface IP address for each unit based on the chassis ID and slot ID: However, some networking deployments do not allow For the Firepower , this feature ensures that the security modules in a chassis join the cluster simultaneously, so that traffic is evenly distributed between the modules. If a module joins very much in advance of other modules, it can receive more traffic than desired, because the other modules cannot yet share the load.

Cluster interface debounce time now applies to interfaces changing from a down state to an up state. This feature now applies to interfaces changing from a down state to an up state. For example, in the case of an EtherChannel that transitions from a down state to an up state for example, the switch reloaded, or the switch enabled an EtherChannel , a longer debounce time can prevent the interface from appearing to be failed on a cluster unit just because another cluster unit was faster at bundling the ports.

The set lacp-mode command was changed to set port-channel-mode on the Firepower If you use the match keyword for the capture command, the any keyword only matches IPv4 traffic. You can now specify any4 and any6 keywords to capture either IPv4 or IPv6 traffic. The any keyword continues to match only IPv4 traffic. You can restrict application cache allocations on reaching certain memory threshold so that there is a reservation of memory to maintain stability and manageability of the device.

Support to enable and disable the results for free memory and used memory statistics during SNMP walk operations. You can now configure the ASAv in an Azure High Availability configuration to update user-defined routes in more than one Azure subscription. Easy VPN has been enhanced to support a Bridged Virtual Interface BVI as its internal secure interface, and you can now directly configure which interface to use as the internal secure interface.

Otherwise, the ASA chooses its internal secure interface using security levels. For non-VPN management access, you should continue to configure these services on the bridge group member interfaces. New or Modified commands: vpnclient secure interface [ interface-name ], https , telnet , ssh , management-access. Also, the balancing process may be repeated up to eight times in the background for a single cluster redistribute vpn-sessiondb command entered by the administrator. Formerly, many error conditions caused a cluster unit to be removed from the cluster, and you were required to manually rejoin the cluster after resolving the issue.

Now, a unit will attempt to rejoin the cluster automatically at the following intervals by default: 5 minutes, 10 minutes, and then 20 minutes. These values are configurable. Internal failures include: application sync timeout; inconsistent application statuses; and so on. New or Modified commands: health-check system auto-rejoin, show cluster info auto-join. You can now configure the debounce time before the ASA considers an interface to be failed and the unit is removed from the cluster on the ASA X series.

This feature allows for faster detection of interface failures. Note that configuring a lower debounce time increases the chances of false-positives. When an interface status update occurs, the ASA waits the number of milliseconds specified before marking the interface as failed and the unit is removed from the cluster.

The default debounce time is ms, with a range of ms to 9 seconds. New or modified command: health-check monitor-interface debounce-time. You can now view per-unit cluster reliable transport buffer usage so you can identify packet drop issues when the buffer is full in the control plane.

New or modified command: show cluster info transport cp detail. You can now view failover history from the peer unit, using the details keyword. This includes failover state changes and reason for the state change. New or modified command: show failover. The snmp-server host-group command does not support IPv6.

Conditional debugging feature now assists you to verify the logs of specific ASA VPN sessions based on the filter conditions that are set. Support for "any, any" for IPv4 and IPv6 subnets is provided. Distributed S2S VPN runs on a cluster of up to two chassis, each containing up to three modules six total cluster members , each module supporting up to 6K active sessions 12K total , for a maximum of approximately 36K active sessions 72K total. New or modified commands: cluster redistribute vpn-sessiondb , show cluster vpn-sessiondb , vpn mode , show cluster resource usage , show vpn-sessiondb , show connection detail , show crypto ikev2.

You can now configure a lower holdtime for the chassis health check: ms. The previous minimum was ms. Inter-site redundancy ensures that a backup owner for a traffic flow will always be at the other site from the owner. This feature guards against site failure. New or modified commands: site-redundancy, show asp cluster counter change, show asp table cluster chash-table, show conn flag. The cluster remove unit command now removes a unit from the cluster until you manually reenable clustering or reload, similar to the no enable command.

Previously, if you redeployed the bootstrap configuration from FXOS, clustering would be reenabled. Now, the disabled status persists even in the case of a bootstrap configuration redeployment. Reloading the ASA, however, will reenable clustering. SSH version 1 has been deprecated, and will be removed in a future release. New or modified commands: cluster exec capture test trace include-decrypted, cluster exec capture test trace persist, cluster exec clear packet-tracer, cluster exec show packet-tracer id, cluster exec show packet-tracer origin, packet-tracer persist, packet-tracer transmit, packet-tracer decrypted, packet-tracer bypass-checks.

We added Cluster Capture field to support these options: decrypted , persist , bypass-checks , transmit. Many specialty clients for example, python libraries, curl, and wget do not support Cross-site request forgery CSRF token-based authentication, so you need to specifically allow these clients to use the ASA basic authentication method. For security purposes, you should only allow required clients.

This feature is supported in 9. For more information, see CSCvf We introduced the ASA for the Firepower , , , and FXOS owns configuring hardware settings for interfaces, including creating EtherChannels, as well as NTP services, hardware monitoring, and other basic functions.

We introduced the following commands: connect fxos, fxos https, fxos snmp, fxos ssh, ip-client. In this release, when you enter the fips enable command, the ASA will reload. Both failover peers must be in the same FIPS mode before you enable failover.

Starting in Version 9. You can now assign 1. It lets web servers declare that web browsers or other complying user agents should only interact with it using secure HTTPS connections, and never via the insecure HTTP protocol. These features are not supported in Version 9. High Availability and Scalability Features. Formerly, you could only manually enable and disable ASP load balancing.

We modified the following command: asp load-balance per-packet auto. Firewall Features. We introduced the following command: server cipher-suite. We added the following command: timeout icmp-error. Improved cluster unit health-check failure detection. You can now configure a lower holdtime for the unit health check:. The previous minimum was. This feature changes the unit health check messaging scheme to heartbeats in the data plane from keepalives in the control plane.

Using heartbeats improves the reliability and the responsiveness of clustering by not being susceptible to control plane CPU hogging and scheduling delays. Note that configuring a lower holdtime increases cluster control link messaging activity. If you downgrade your ASA software after setting the hold time to. We modified the following commands: health-check holdtime, show asp drop cluster counter, show cluster info health details. You can now configure the debounce time before the ASA considers an interface to be failed, and the unit is removed from the cluster.

You can now use IKEv2 in standalone and high availability modes. You can use certificate based authentication by setting up a trustpoint in the IPsec profile. You can also apply access lists on VTI using access-group commands to filter ingress traffic. We introduced the following command in the IPsec profile configuration mode: set trustpoint.

We introduced options to select the trustpoint for certificate based authentication in the following screen:. Mobile devices operating as remote access clients require transparent IP address changes while moving. We introduced the following command: ikev2 mobike-rrc. The default signing method for a signature in a SAML request changed from SHA1 to SHA2, and you can configure which signing method you prefer: rsa-sha1, rsa-sha, rsa-sha, or rsa-sha We changed the following command in webvpn mode: saml idp signature can be configured with a value.

Disabled is still the default. We changed the pre-fill-username and secondary-pre-fill-username value from ssl-client to client. We changed the following commands in webvpn mode: pre-fill-username and secondary-pre-fill-username can be configured with a client value.

By default, the login history is saved for 90 days. You can disable this feature or change the duration, up to days. We introduced the following commands: aaa authentication login-history, show aaa login-history. Password policy enforcement to prohibit the reuse of passwords, and prohibit use of a password matching a username. You can now prohibit the reuse of previous passwords for up to 7 generations, and you can also prohibit the use of a password that matches a username.

We introduced the following commands: password-history, password-policy reuse-interval, password-policy username-check. Separate authentication for users with SSH public key authentication and users with passwords. In releases prior to 9. In this release, you no longer have to explicitly enable AAA SSH authentication; when you configure the ssh authentication command for a user, local authentication is enabled by default for users with this type of authentication.

For example, some users can use public key authentication using the local database, and other users can use passwords with RADIUS. Monitoring and Troubleshooting Features. Saving currently-running packet captures when the ASA crashes. Formerly, active packet captures were lost if the ASA crashed. ASDM 7. Verion 9. A new default configuration will be used for the ASA X series. The Integrated Bridging and Routing feature provides an alternative to using an external Layer 2 switch. DHCP for clients on inside and wifi.

ASDM access—inside and wifi hosts allowed. If you are upgrading, you can either erase your configuration and apply the default using the configure factory-default command, or you can manually configure a BVI and bridge group members to suit your needs. Note that to easily allow intra-bridge group communication, you need to enable the same-security-traffic permit inter-interface command this command is already present for the ASA W-X default configuration. The ISA supports two alarm input interfaces and one alarm out interface.

External sensors such as door sensors can be connected to the alarm inputs. External devices like buzzers can be connected to the alarm out interface. You can configure descriptions of external alarms. You can also specify the severity and trigger, for external and internal alarms. All alarms can be configured for relay, monitoring and logging. We introduced the following commands: alarm contact description, alarm contact severity, alarm contact trigger, alarm facility input-alarm, alarm facility power-supply rps, alarm facility temperature, alarm facility temperature high, alarm facility temperature low, clear configure alarm, clear facility-alarm output, show alarm settings, show environment alarm-contact.

Microsoft Azure Security Center is a Microsoft orchestration and management layer on top of Azure that simplifies the deployment of a highly secure public cloud infrastructure. It provides greater accuracy than other time synchronization protocols, such as NTP, due to its hardware timestamp feature. If you have an existing deployment, you need to manually add these commands:.

We introduced the following commands: debug ptp, ptp domain, ptp mode e2etransparent, ptp enable, show ptp clock, show ptp internal-info, show ptp port. The use cases for these features include initial configuration from external media; device replacement; roll back to an operable state. We introduced the following commands: backup-package location, backup-package auto, show backup-package status, show backup-package summary. Support for SCTP multi-streaming reordering and reassembly and fragmentation.

For multi-homing, the system opens pinholes for the secondary addresses so that you do not need to write access rules to allow them. We modified the output of the following command: show sctp detail. M3UA inspection now supports stateful failover, semi-distributed clustering, and multihoming. You can also configure strict application server process ASP state validation and validation for various messages.

Strict ASP state validation is required for stateful failover and clustering. We added or modified the following commands: clear service-policy inspect m3ua session [ assocID id ] , match port sctp , message-tag-validation , show service-policy inspect m3ua drop , show service-policy inspect m3ua endpoint , show service-policy inspect m3ua session , show service-policy inspect m3ua table , strict-asp-state , timeout session.

Support for TLSv1. You can now use TLSv1. We modified the following commands: client cipher-suite. Integrated Routing and Bridging provides the ability to route between a bridge group and a routed interface. A bridge group is a group of interfaces that the ASA bridges instead of routes. The ASA is not a true bridge in that the ASA continues to act as a firewall: access control between interfaces is controlled, and all of the usual firewall checks are in place.

Previously, you could only configure bridge groups in transparent firewall mode, where you cannot route between bridge groups. This feature lets you configure bridge groups in routed firewall mode, and to route between bridge groups and between a bridge group and a routed interface.

The bridge group participates in routing by using a Bridge Virtual Interface BVI to act as a gateway for the bridge group. Integrated Routing and Bridging provides an alternative to using an external Layer 2 switch if you have extra interfaces on the ASA to assign to the bridge group.

In routed mode, the BVI can be a named interface and can participate separately from member interfaces in some features, such as access rules and DHCP server. The following features that are supported in transparent mode are not supported in routed mode: multiple context mode, ASA clustering. The following features are also not supported on BVIs: dynamic routing and multicast routing. We modified the following commands: access-group, access-list ethertype, arp-inspection, dhcpd, mac-address-table static, mac-address-table aging-time, mac-learn, route, show arp-inspection, show bridge-group, show mac-address-table, show mac-learn.

You can define access control lists ACLs to assign policies to traffic from groups of VMs sharing one or more attributes. We added the following command: show attribute. Stale route timeout for interior gateway protocols. You can now configure the timeout for removing stale routes for interior gateway protocols such as OSPF.

We added the following command: timeout igp stale-route. You can reduce the memory required to search access rules by enabling object group search with the the object-group-search access-control command. When enabled, object group search does not expand network or service objects, but instead searches access rules for matches based on those group definitions.

Starting with this release, the following limitation is applied: For each connection, both the source and destination IP addresses are matched against network objects. If the number of objects matched by the source address times the number matched by the destination address exceeds 10,, the connection is dropped.

This check is to prevent performance degradation. Configure your rules to prevent an excessive number of matches. For routed interfaces, you can configure an IP address on a bit subnet for point-to-point connections.

The bit subnet includes only 2 addresses; normally, the first and last address in the subnet is reserved for the network and broadcast, so a 2-address subnet is not usable. However, if you have a point-to-point connection and do not need network or broadcast addresses, a bit subnet is a useful way to preserve addresses in IPv4.

For example, the failover link between 2 ASAs only requires 2 addresses; any packet that is transmitted by one end of the link is always received by the other, and broadcasting is unnecessary. This feature is not supported for BVIs for bridge groups or with multicast routing. We modified the following commands: ip address, http, logging host, snmp-server host, ssh. Previously, you had to configure the site ID within the ASA application; this new feature eases initial deployment.

Also, for best compatibility with inter-site clustering, we recommend that you upgrade to ASA 9. We modified the following command: site-id. Director localization: inter-site clustering improvement for data centers. To improve performance and keep traffic within a site for inter-site clustering for data centers, you can enable director localization. New connections are typically load-balanced and owned by cluster members within a given site.

However, the ASA assigns the director role to a member at any site. Director localization enables additional director roles: a local director at the same site as the owner, and a global director that can be at any site. Keeping the owner and director at the same site improves performance. Also, if the original owner fails, the local director chooses a new connection owner at the same site.

The global director is used if a cluster member receives packets for a connection that is owned on a different site. We introduced or modified the following commands: director-localization, show asp table cluster chash, show conn, show conn detail. Interface link state monitoring polling for failover now configurable for faster detection. By default, each ASA in a failover pair checks the link state of its interfaces every msec. You can now configure the polling interval, between msec and msec; for example, if you set the polltime to msec, the ASA can detect an interface failure and trigger failover faster.

We introduced the following command: failover polltime link-state. We introduced the following command: failover health-check bfd. Routes are added based on the negotiated selector information. The routes will be deleted after the IPsec SA's are deleted. We modified the following command: crypto map set reverse-route. Using VTI does away with the need to configure static crypto map access lists and map them to interfaces.

We introduced the following commands: crypto ipsec profile, interface tunnel, responder-only, set ikev1 transform-set, set pfs, set security-association lifetime, tunnel destination, tunnel mode ipsec, tunnel protection ipsec profile, tunnel source interface. SAML 2. With the ASA as a gateway between the user and services, authentication on IdP is handled with a restricted anonymous webvpn session, and all traffic between IdP and the user is translated.

We added the following command: saml idp. We modified the following commands: debug webvpn saml, show saml metadata. We modified the following commands: enrollment url, keypair, auto-update, crypto-ca-trustpoint, show crypto ca server certificates, show crypto key, show tech-support. The Aggregate Authentication protocol has been extended to define the protocol exchange for multiple-certificate authentication and utilize this for both session types.

The IKEv1 limit was left at A new method for smart-tunnel support in the Chrome browser on Mac and Windows devices was created. If you click on the smart tunnel enabled bookmark in Chrome without the extension already being installed, you are redirected to the Chrome Web Store to obtain the extension. New Chrome installations will direct the user to the Chrome Web Store to download the extension. The extension downloads the binaries from ASA that are required to run smart tunnel.

Your usual bookmark and application configuration while using smart tunnel is unchanged other than the process of installing the new extension. All web interfaces will now display details of the current session, including the user name used to login, and user privileges which are currently assigned. This will help the user be aware of the current user session and will improve user security.

All web applications will now grant access only after validating all security-related cookies. In each request, each cookie with an authentication token or a session ID will be verified before granting access to the user session.

Multiple session cookies in the same request will result in the connection being dropped. Cookies with failed validations will be treated as invalid and the event will be added to the audit log. The alert interval is the interval of time before max connection time is reached that a message will be displayed to the user warning them of termination.

Valid time interval is minutes. Default is 30 minutes. Previously supported for clientless and site-to-site VPN connections. The following command can now be used for AnyConnect connections: vpn-session-timeout alert-interval. We modified the following command: aaa-server host, test aaa-server. PBKDF2 hashing for all local username and enable passwords. Previously, passwords 32 characters and shorter used the MD5-based hashing method.

Already existing passwords continue to use the MD5-based hash unless you enter a new password. See the "Software and Configurations" chapter in the General Operations Configuration Guide for downgrading guidelines. We modified the following commands: enable password, username.

Only the active unit requests the license entitlements. Previously, both units requested license entitlements. Supported with FXOS 2. The traceroute command was modified to accept an IPv6 address. Support for the packet tracer for bridge group member interfaces. You can now use the packet tracer for bridge group member interfaces.

We added two new options to the packet-tracer command; vlan-id and dmac. We modified the following commands: logging host, show running config, show logging. Version 9. You can add and remove Virtio virtual interfaces on the ASAv while the system is active. When you add a new interface to the ASAv, the virtual machine detects and provisions the interface.

When you remove an existing interface, the virtual machine releases any resource associated with the interface. You can optionally configure this interface to be management-only, but it is not configured by default. We modified the following command: management-only.

See the rows in this table for the following features that were added for this certification:. We added the following command: tcp-inspection. You can now inspect M3UA traffic and also apply actions based on point code, service indicator, and message class and type.

Inspection opens pinholes required for return traffic. We added or modified the following commands: inspect stun , show conn detail , show service-policy inspect stun. You can now configure Cisco Cloud Web Security to check the health of the Cloud Web Security application when determining if the server is healthy.

By checking application health, the system can fail over to the backup server when the primary server responds to the TCP three-way handshake but cannot process requests. This ensures a more reliable system. We added the following commands: health-check application url , health-check application timeout. You can now configure how long the system should maintain a connection when the route used by the connection no longer exists or is inactive.

If the route does not become active within this holddown period, the connection is freed. You can reduce the holddown timer to make route convergence happen more quickly. However, the 15 second default is appropriate for most networks to prevent route flapping. We added the following command: timeout conn-holddown. In addition, the default handling of the MSS, timestamp, window-size, and selective-ack options has changed.

Previously, these options were allowed, even if there were more than one option of a given type in the header. Now, packets are dropped by default if they contain more than one option of a given type. For example, previously a packet with 2 timestamp options would be allowed, now it will be dropped.

For the MD5 option, the previous default was to clear the option, whereas the default now is to allow it. You can also drop packets that contain the MD5 option. The default for all other TCP options remains the same: they are cleared. We modified the following command: tcp-options. You can now offload multicast connections to be switched directly in the NIC on transparent mode Firepower and series devices.

Multicast offload is available for bridge groups that contain two and only two interfaces. You can set the maximum number of ARP packets allowed per second. The default value depends on your ASA model. You can customize this value to prevent an ARP storm attack. We added the following commands: arp rate-limit, show arp rate-limit.

Ethertype rule support for the IEEE Because of this addition, the bpdu keyword no longer matches the intended traffic. Rewrite bpdu rules for dsap 0x We modified the following commands: access-list ethertype. Remote access VPN in multiple context mode now supports flash virtualization. Each context can have a private storage space and a shared storage place based on the total flash that is available:. Private storage—Store files associated only with that user and specific to the content that you want for that user.

We introduced the following commands: limit-resource storage, storage-url. AnyConnect client profiles are supported in multiple context mode. Stateful failover is now supported for AnyConnect connections in multiple context mode. Localization is supported globally. There is only one set of localization files that are shared across different contexts. It can be used in place of tunnel default mode. Tunnel mode encapsulates the entire IP packet. Transport mode encapsulates only the upper-layer protocols of an IP packet.

Transport mode requires that both the source and destination hosts support IPSec, and can only be used when the destination peer of the tunnel is the final destination of the IP packet. We modified the following command: crypto map set ikev2 mode. By default, per-packet adjacency lookups are done for outer ESP packets; lookups are not done for packets sent through the IPsec tunnel.

To prevent this, use the new option to enable per-packet routing lookups for the IPsec inner packets. We added the following command: crypto ipsec inner-routing-lookup. If not, the connection fails. For an ASDM user who authenticates with a certificate, you can now require the certificate to match a certificate map. We modified the following command: http authentication-certificate match.

If the presented identity cannot be matched against the configured reference identity, the connection is not established. We added or modified the following commands: crypto ca reference-identity, logging host, call home profile destination address. The ASA crypto system has been updated to comply with new key zeroization requirements. Keys must be overwritten with all zeros and then the data must be read to verify that the write was successful.

To disallow users from using a password instead of the private key, you can now create a username without any password defined. We modified the following commands: ssh authentication, username. You can set the maximum MTU to bytes on the Firepower and ; formerly, the maximum was bytes. Support was added for configuring BFD templates, interfaces, and maps. We added or modified the following commands: authentication, bfd echo, bfd interval, bfd map, bfd slow-timers, bfd template, bfd-template, clear bfd counters, echo, debug bfd, neighbor fall-over bfd, show bfd drops, show bfd map, show bfd neighbors, show bfd summary.

We added or modified the following commands: clear ipv6 dhcp statistics, domain-name, dns-server, import, ipv6 address autoconfig, ipv6 address dhcp, ipv6 dhcp client pd, ipv6 dhcp client pd hint, ipv6 dhcp pool, ipv6 dhcp server, network, nis address, nis domain-name, nisp address, nisp domain-name, show bgp ipv6 unicast, show ipv6 dhcp, show ipv6 general-prefix, sip address, sip domain-name, sntp address. Previously, with large dACLs, the sync time could take hours during which time the standby unit is busy syncing instead of providing high availability backup.

For highly secure environments where communication with the Cisco Smart Software Manager is not allowed, you can request a permanent license for the ASAv. This feature is not supported for Microsoft Azure. Not all accounts are approved for permanent license reservation. Make sure you have approval from Cisco for this feature before you attempt to configure it. We introduced the following commands: license smart reservation, license smart reservation cancel, license smart reservation install, license smart reservation request universal, license smart reservation return.

If your devices cannot access the internet for security reasons, you can optionally install a local Smart Software Manager satellite server as a virtual machine VM. Due to an update to the Smart Agent to 1. For highly secure environments where communication with the Cisco Smart Software Manager is not allowed, you can request a permanent license for the ASA on the Firepower and Firepower All available license entitlements are included in the permanent license, including the Standard Tier, Strong Encryption if qualified , Security Contexts, and Carrier licenses.

Requires FXOS 2. The smart agent was upgraded from Version 1. If you downgrade from Version 9. We introduced the following commands: show license status, show license summary, show license udi, show license usage. We modified the following commands: show license all, show tech-support license. We deprecated the following commands: show license cert, show license entitlement, show license pool, show license registration.

When you create a packet capture of type asp-drop, you can now also specify an ACL or match option to limit the scope of the capture. You can create a core dump of any process running on the ASA. We modified the following commands: copy system:text, verify system:text, crashinfo force dump process. Two counters were added that allow Netflow users to see the number of Layer 4 packets being sent in both directions on a connection.

You can use these counters to determine average packet rates and sizes and to better predict traffic types, anomalies, and events. If a user does not specify the native engineID, the show running config output will show two engineIDs per user. The ASAv 9. They are available in 9. The card appears as disk3 in the ASA file system. Note that plug and play support requires hardware version 2. Use the show module command to check your hardware version.

If one power supply fails, the ASA issues an alarm. By default, the ASA expects a single power supply and won't issue an alarm as long as it includes one working power supply. We introduced the following command: power-supply dual.

Diameter inspection improvements. We introduced or modified the following commands: client clear-text , inspect diameter , strict-diameter. SCTP stateful inspection in cluster mode. SCTP stateful inspection now works in cluster mode. You can also configure SCTP stateful inspection bypass in cluster mode. You can now configure an H. We introduced the following command: early-message. We added an option to the Call Attributes tab in the H.

Remote Access Features. We introduced the following commands: crypto ikev2 fragmentation , show running-config crypto ikev2 , show crypto ikev2 sa detail. The crypto engine accelerator-bias command is now supported on the ASA security module on the Firepower and Firepower series. We modified the following command: crypto engine accelerator-bias. Users can select cipher modes when doing SSH encryption management and can configure HMAC and encryption for varying key exchange algorithms.

You might want to change the ciphers to be more or less strict, depending on your application. Note that the performance of secure copy depends partly on the encryption cipher used. By default, the ASA negotiates one of the following algorithms in order: 3des-cbc aescbc aescbc aescbc aesctr aesctr aesctr. If the first algorithm proposed 3des-cbc is chosen, then the performance is much slower than a more efficient algorithm such as aescbc.

To change the proposed ciphers, use ssh cipher encryption custom aescbc , for example. We introduced the following commands: ssh cipher encryption, ssh cipher integrity. Also available in 9. We added functionality to the following command: http redirect. Support was added for routing data, performing authentication, and redistributing and monitoring routing information using the IS-IS routing protocol.

We introduced the following screens:. For inter-site clustering in routed mode with Spanned EtherChannels, you can now configure site-specific IP addresess in addition to site-specific MAC addresses. We modified the following commands: mac-address, show interface. Longer password support for local username and enable passwords up to characters.

You can now create local username and enable passwords up to characters the former limit was Shorter passwords continue to use the MD5-based hashing method. We modified the following commands: enable, username. This is a table of memory pool monitoring entries for all physical entities on a managed system.

Platform Features. This provides improved performance for large data flows in data centers. We added or modified the following commands: clear flow-offload , flow-offload enable , set-connection advanced-options flow-offload , show conn detail , show flow-offload. High Availability Features. Inter-chassis clustering for 6 modules, and inter-site clustering for the ASA on the Firepower With FXOS 1. You can include up to 6 modules in up to 6 chassis. For regular Cisco Smart Software Manager users, the Strong Encryption license is automatically enabled for qualified customers when you apply the registration token on the Firepower We removed the following command for non-satellite configurations: feature strong-encryption.

It is low-power, fan-less, with Gigabit Ethernet and a dedicated management port. This model comes with the ASA Firepower module pre-installed. Special features for this model include a customized transparent mode default configuration, as well as a hardware bypass function to allow traffic to continue flowing through the appliance when there is a loss of power. We introduced the following command: hardware-bypass, hardware-bypass manual, hardware-bypass boot-delay.

We introduced the following command: match [ not ] uuid. We modified the following command: class-map type inspect. You can now inspect Diameter traffic. Diameter inspection requires the Carrier license. We introduced or modified the following commands: class-map type inspect diameter , diameter , inspect diameter , match application-id , match avp , match command-code , policy-map type inspect diameter , show conn detail , show diameter , show service-policy inspect diameter , unsupported.

SCTP inspection requires the Carrier license. We introduced the following commands: access-list extended , clear conn protocol sctp , inspect sctp , match ppid , nat static object , policy-map type inspect sctp , service-object , service , set connection advanced-options sctp-state-bypass , show conn protocol sctp , show local-host connection sctp , show service-policy inspect sctp , timeout sctp.

This feature is now supported in failover and ASA cluster deployments. We introduced or modified the following commands: captive-portal , clear configure captive-portal , show running-config captive-portal. We introduced or modified the following commands: allowed-eid, clear cluster info flow-mobility counters, clear lisp eid, cluster flow-mobility lisp, debug cluster flow-mobility, debug lisp eid-notify-intercept, flow-mobility lisp, inspect lisp, policy-map type inspect lisp, site-id, show asp table classify domain inspect-lisp, show cluster info flow-mobility counters, show conn, show lisp eid, show service-policy, validate-key.

The ASA X now supports 2-unit clusters. Clustering for 2 units is enabled by default in the base license. By default, all levels of clustering events are included in the trace buffer, including many low level events.

To limit the trace to higher level events, you can set the minimum trace level for the cluster. You can now configure one or more secondary VLANs for a subinterface. We introduced or modified the following commands: vlan secondary, show vlan mapping. Routing Features. We introduced the following commands: clear pim group-map, debug pim bsr, pim bsr-border, pim bsr-candidate, show pim bsr-router, show pim group-map rp-timers.

The AnyConnect Apex license is required for multiple context mode; you cannot use the default or legacy license. We introduced the following commands: limit-resource vpn anyconnect, limit-resource vpn burst anyconnect. You can debug logs by filtering, based on the filter condition sets, and can then better analyze them. If you want to enable the cache, you must manually enable it.

Smart licensing uses the Smart Call Home infrastructure. When the ASA first configures Smart Call Home anonymous reporting in the background, it automatically creates a trustpoint containing the certificate of the CA that issued the Smart Call Home server certificate. The ASA now supports validation of the certificate if the issuing hierarchy of the server certificate changes; you can enable the automatic update of the trustpool bundle at periodic intervals. For the ASA on the Firepower , the feature mobile-sp command will automatically migrate to the feature carrier command.

We introduced or modified the following commands: feature carrier, show activation-key, show license, show tech-support, show version. We modified the following commands: snmp-server user, no snmp-server user. Includes dir all-filesystems output—This output can be helpful in the following cases:.

Removes the show kernel cgroup-controller detail output—This command output will remain in the output of show tech-support detail. Formerly, when you enabled logging debug-trace to redirect debugs to a syslog server, if the SSH connection were disconnected due to network connectivity or timeout , then the debugs were removed.

Now, debugs persist for as long as the logging command is in effect. The 6. The NVM collects the endpoint telemetry and logs both the flow data and the file reputation in the syslog and also exports the flow records to a collector a third-party vendor , which performs the file analysis and provides a UI interface. Formerly, it required 2 GB.

For already-deployed ASAv5s, you should reduce the allocated memory to 1 GB or you will see an error that you are using more memory than is licensed. We modified the following commands: clear service-policy inspect gtp statistics, clear service-policy inspect gtp pdpmcb, clear service-policy inspect gtp request, match message id, show service-policy inspect gtp pdpmcb, show service-policy inspect gtp request, show service-policy inspect gtp statistics, timeout endpoint.

We deprecated the following command: timeout gsn. IP Options inspection improvements. IP Options inspection now supports all possible IP options. You can tune the inspection to allow, clear, or drop any standard or experimental options, including those not yet defined.

You can also set a default behavior for options not explicitly defined in an IP options inspection map. We introduced the following commands: basic-security, commercial-security, default, exp-flow-control, exp-measure, extended-security, imi-traffic-description, quick-start, record-route, timestamp.

Carrier Grade NAT enhancements. We introduced the following commands: xlate block-allocation size, xlate block-allocation maximum-per-host. We added the block-allocation keyword to the nat command. Inter-site clustering support for Spanned EtherChannel in Routed firewall mode. You can now use inter-site clustering for Spanned EtherChannels in routed mode. We introduced or modified the following commands: site-id, mac-address site-id, show cluster info, show interface.

ASA cluster customization of the auto-rejoin behavior when an interface or the cluster control link fails. You can now customize the auto-rejoin behavior when an interface or the cluster control link fails. We introduced the following command: health-check auto-rejoin. Cluster replication delay for TCP connections. We introduced the following command: cluster replication delay. Disable health monitoring of a hardware module in ASA clustering. If you do not want a hardware module failure to trigger failover, you can disable module monitoring.

We modified the following command: health-check monitor-interface service-module. This feature lets you use all other interfaces on the device as data interfaces. We modified the following commands: failover lan interface, failover link. IPv6 addresses are now supported for Policy Based Routing. Statelink hello messages dropped on Standby unit due to interface ring drops on high rate traffic.

FTD Deployment failure post upgrade due to major version change on device. BGP routes shows unresolved and dropping packet with asp-drop reason "No route to host". AnyConnect users with mapped group-policies take attributes from default GP under the tunnel-group. Flow Offload - Compare state values remains in error state for longer periods.

ASA running 9. Traffic does not fallback to primary interface from crypto map when interface becomes available. FXOS - Recover hwclock of service module from corruption due to simultaneous write collision. Access Control Policy with time range object is not getting hit. ASA learning a new route removes asp route table created by floating static. ASA traceback observed when "config-url" is entered while creating new context. After upgrade ASA swapped names for disks, disk0 became disk1 and vice versa.

Interface status may be mismatched between application and chassis due to missed update. Removing static ipv6 route from management-only route table affects data traffic. Snmp user fails on standby device after rejoing ha, after ha break. ASA dropping all traffic with reason "No route to host" when tmatch compilation is ongoing. Inner flow: U-turn GRE flows trigger incorrect connection flow creation. No deployment failure reason in transcript if 'show running-config' is running during deployment.

After the reload, it takes very long time to recover. ASA traceback and reload while executing "show tech-support" command. Heapcache Memory depleting rapidly due to certificate chain failed validation. Offloaded traffic not failed over to secondary route in ECMP setup. Secondary unit stuck in Bulk sync infinitely due to interface of Primary stuck in init state.

ASASM traceback and reload after upgrade up to 9. IPv6 static routes not getting installed, upon changing ifc type management-only. Name of anyconnect custom attribute of type dynamic-split-exclude-domains is changed after reload. Managed device backup fails, for FTD, if hostname exceeds 30 characters. S2S traffic fails due to missing V routes after Primary cluster unit gets disabled.

ASA traceback and reload with Thread name: ssh when capture was removed. Offload rewrite data needs to be fixed for identity nat traffic and clustering environment. ASA reload is removing 'content-security-policy' config. Fail-to-wire ports in FPR flapping after upgrade to 6. Firepower silently dropping traffic with TFC enabled on the remote end. Prevent lina from traceback due to object loop sent by FMC. Fail the deployment instead. Deployment gets failed for snmp settings while deleting snmpv1 and adding snmpv3 at a time in 6.

Firewall CPU can increase after a bulk routing update with flow offload. Concurrent modification of ACL configuration breaks output of "show running-config" completely. X-Frame-Options header support for older versions of IE and windows platforms. FTD 6. COA Received before data tunnel comes up results in tear down of parent session.

Need comprehensive details in logs on what is stopping VPN load-balancing cluster formation. FPR enable kernel panic on octeon for UE events to trigger crash. ASA responds with "00 00 00 00 00 00" when polling interface physical address using snmp. VPN Load Balancing may get stuck and disconnect from the group. ASA crashes when copying files with long destination filenames using cluster command.

AnyConnect and Management Sessions fail to connect after several weeks. FP Traceback and reload when processing traffic through more than two inline sets. After upgrade to version 9. ASA to the box icmp request packets intermittently dropped. ASDM session being abruptly terminated when switching between different contexts. Calls fail once anyconnect configuration is added to the site to site VPN tunnel.

Reduce number of fsync calls during close in flash file system. Deployment is marked as success although LINA config was not pushed. SCTP heartbeats failing across the firewall in Cluster deploymnet. IPv6 DNS server resolution fails when the server is reachable over the management interface. Flow offload not working with combination of FTD 6.

Incorrect access-list hitcount seen when configuring it with a capture on ASA. DOC - Clarify the meaning of mp-svc-flow-control under show asp drop. VPN failover recovery is taking approx. Observed traceback on while performing Failover Switch from Standby. Pad packets received from RA tunnel which are less than or equal 46 bytes in length with zeros.

Crypto ring stalls when the length in the ip header doesn't match the packet length. FPR 'show crypto accelerator statistics' counters do not track symmetric crypto. Fragmented packets forwarded to fragment owner are not visible on data interface captures. ASA is sending failover interface check control packets with a wrong destination mac address.

The syslog message should include reason of drop when TCP server is down. Unable to access anyconnect webvpn portal from google chrome using group-url. ASA should allow null sequence encoding in certificates for client authentication. Traceback: Modifying FTD inline-set tap-mode configuration with active traffic. Device loses ssh connectivity when username and password is entered.

Lina cores on multi-instance causing a boot loop on both logical-devices. FPRx5: 'clear crypto accelerator load-balance' will cause a traceback and reload. DTLS v1. Slave unit might fail to synchronize SCTP configuration from the cluster master after bootup. Current connection count is negative on 'show service policy' when connection limit is set in MPF.

ASA generated a traceback and reloaded when changing the port value of a manual nat rule. Traceback observed while performing master role change with active IGMP joins. Memory leak: due to resource-limit MIB handler, eventually causing reload. FPR Show crash output on show tech does not display outputs from most recent tracebacks.

FTD: Traceback and reload when changing capture buffer options on a already applied capture. Snmp stops responding. CLI returns: Unable to honour this request now. Dynamic routing protocols summary route not being replicated to standby. Multicast traffic is being dropped with the resson no-mcast-intrf. Cluster site-specific MAC addresses not rewritten by flow-offload. ASA traceback and reload unexpectedly on "Process Name: lina". Lina traceback and reload seen on trying to switch peer on KP HA with 6.

ASA traceback when running show asp table classify domain permit. ASA logging rate-limit 1 5 message WebSSL clientless user accounts being locked out on 1st bad password. FPR , low block causes packet loss through the device. Deployment failure after configure sub-interfaces on POE enabled interfaces. EIGRP summary route not being replicated to standby and causing outage after switchover. FTD traffic outage due to block size depletion caused by the egress-optimization feature.

After failover, Active unit tcp sessions are not removed when timeout reached. Adding an ipv6 default route causes CLI to hang for 50 seconds. Multiple context ASA, transparent context losing mangement interface configuration. Policy deployment is reported as successful on the FMC but it is actually failed. Mac address flap on switch with wrong packet injected on ingress FTD interface.

App-sync failure if unit tries to join HA during policy deployment. ASA after reload had license context count greater than platform limits. Configuration might not replicated if packet loss on the failover Link. FTDv Deployment in Azure causes unrecoverable traceback state due to no dns domain-lookup any". Clustering module needs to skip the hardware clock update to avoid the timeout error and clock jump.

Skip to content Skip to search Skip to footer. Log in to Save Content. Available Languages. Download Options. This section lists new features for each release. Note New, changed, and deprecated syslog messages are listed in the syslog message guide. Released: February 2, There are no new features in this release. Released: June 15, There are no new features in this release.

Note Be sure to check the upgrade guidelines for each release between your starting version and your ending version. Note You must have a Cisco. This section lists resolved bugs per release. CSCvx Deployment gets failed for snmp settings while deleting snmpv1 and adding snmpv3 at a time in 6. Note This release only supports the ASAv. SNMP Features.

Licensing Features. ASAv permanent license reservation. This release is only supported on the ASAv. Platform Features. ASAv platform. FTDv Loss of network reachability across all data interfaces. Conditional flow-offload debugging produces no output. Snmpwalk showing traffic counter as 0 for failover interface. Traceback and reload due to Umbrella.

Secondary ASA could not get the startup configuration. ASA traceback when re-configuring access-list. HA goes to active-active state due to cipher mismatch. Block 80 and exhaustion snapshots are not created.

SSH session not being released. FTD lina traceback and reload in thread Name Checkheaps. Crypto archive generated with SE ring timeout on 7. ASP drop capture output may display incorrect drop reason. ASA traceback and reload thread name: Datapath. FTDv - Lina Traceback and reload. SNMP agent restarts when show commands are issued.

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