Table Of Contents
Cisco ASDM Release Notes Version 6.1(5)
ASDM Client Operating System and Browser Requirements
New Features by Platform Release
New Features in Version 8.1(2)
New Features in Version 8.1(1)
New Features in Version 8.0(4)
New Features in Version 8.0(3)
New Features in Version 8.0(2)
Upgrading the Security Appliance
Ignored and View-Only Commands
Effects of Unsupported Commands
Discontinuous Subnet Masks Not Supported
Interactive User Commands Not Supported by the ASDM CLI Tool
Resolved Caveats—Version 6.1(5)
Obtaining Documentation and Submitting a Service Request
Cisco ASDM Release Notes Version 6.1(5)
October 2008
This document contains release information for Cisco ASDM Version 6.1(5) on Cisco ASA 5500 series and Cisco PIX 500 series security appliances. It includes the following sections:
•
ASDM Client Operating System and Browser Requirements
•
New Features by Platform Release
•
Upgrading the Security Appliance
•
Obtaining Documentation and Submitting a Service Request, page 24
ASDM Client Operating System and Browser Requirements
Table 1 lists the supported and recommended client operating systems and Java for ASDM.
Table 1 Operating System and Browser Requirements
Operating System Version Browser Other RequirementsMicrosoft Windows
Windows Vista
Windows 2003 Server
Windows XP
Windows 2000 (Service Pack 4)
Internet Explorer 6.0 or 7.0 with Sun Java SE1 Plug-in 1.4.2, 5.0 (1.5.0), or 6.0
Firefox 1.5 or 2.0 with Java SE Plug-in 1.4.2, 5.0 (1.5.0), or 6.0
SSL Encryption Settings—All available encryption options are enabled for SSL in the browser preferences.
Note
ASDM supports both the English and Japanese versions of Windows.
Note
HTTP 1.1—Settings for Internet Options > Advanced > HTTP 1.1 should use HTTP 1.1 for both proxy and non-proxy connections.
Apple Macintosh
Apple Macintosh OS X
Firefox 1.5 or 2.0 or Safari 2.0 with Java SE Plug-in 1.4.2, 5.0 (1.5.0), or 6.02
Linux
Red Hat Desktop, Red Hat Enterprise Linux WS version 4 running GNOME or KDE
Firefox 1.5 or 2.0 with Java SE Plug-in 1.4.2, 5.0 (1.5.0), or 6.0
1 Obtain Sun Java from java.sun.com.
2 With Apple Macintosh, only 32-bit Java SE will be supported. Currently, this also excludes Java 6. The 32-bit Java can run on a 64-bit Mac OS.
Note
After upgrading ASDM, in order to restore normal memory usage on a Mac, existing ASDM desktop applications must be deleted and a new ASDM desktop application installed in its place. The following instructions avoid CSCsu31299.
On the Mac, go to Applications > Utilities > Java > Java Preferences. From the Java Preferences dialog select View. The Java Cache Viewer dialog appears. Select Applications from the Show pull-down menu. Select the ASDM on ip_addr row in the table that you want to delete, and select the `X' to remove the selected item, and click OK.
Next, from the Java Preferences dialog select Settings. Then select Delete Files. Choose all options from this pop-up dialog and click on Delete. On the Temporary Files Setting dialog, click OK.
Go to the Java Preferences menu and select Quit Java Preferences. If the deleted desktop IP address application still appears on the desktop, drag and drop the application into the trash. Launch ASDM from a web browser, either Safari or Firefox, and, if desired, install a new ASDM desktop application when prompted.
CautionIf you launch ASDM version 5.0 or later using Java 6 Update 10 or later, the message "ASDM cannot be loaded. Click OK to exit ASDM. Unconnected sockets not implemented" appears.
To get ASDM to load correctly with Java 6 Update 10, update ASDM to ASDM 6.1(5)51. For more information about this issue (CSCsv12681) and obtaining the software, see the Release Notes at: http://download-sj.cisco.com/cisco/crypto/3DES/ciscosecure/asa/interim/asdm-61551-release_notes.html.
Two other issues (CSCsu00498 and CSCsu79785) are also resolved by this build.
Supported Platforms and SSMs
ASDM Version 6.1(5) supports the following platforms and releases:
•
ASA 5505, software Version 8.0(2), 8.0(3), and 8.0(4)
•
ASA 5510, software Version 8.0(2), 8.0(3), and 8.0(4)
•
ASA 5520, software Version 8.0(2), 8.0(3), and 8.0(4)
•
ASA 5540, software Version 8.0(2), 8.0(3), and 8.0(4)
•
ASA 5550, software Version 8.0(2), 8.0(3), and 8.0(4)
•
ASA 5580, software Version 8.1(1) and 8.1(2)
•
PIX 515/515E, software Version 8.0(2), 8.0(3), and 8.0(4)
•
PIX 525, software Version 8.0(2), 8.0(3), and 8.0(4)
•
PIX 535, software Version 8.0(2), 8.0(3), and 8.0(4)
ASDM Version 6.1(5) supports the following SSMs and releases:
•
Advanced Inspection and Prevention (AIP) SSM, software Version 5.0, 5.1, and 6.0
•
Content Security and Control (CSC) SSM, software Version 6.1 and 6.2
New ASDM Features
Table 2 lists the new features for ASDM Version 6.1(5).
Table 2 New Features for ASDM Version 6.1(5)
Feature DescriptionSupport for Cisco ASA 5580 software Version 8.1(2)
All 8.1(2) features are supported unless specifically noted.
Note
In ASDM 6.1(5), the VPN Wizard (accessible from Wizards > IPSec VPN Wizard) was updated. The step to select IPsec Encryption and Authentication (formerly Step 9 of 11) was removed because the Wizard now generates default values for these settings. In addition, the step to select IPsec Settings (Optional) now includes new fields to enable Perfect Forwarding Secrecy (PFS) and set the Diffie-Hellman Group. The ASDM Help and the Cisco ASA 5580 Adaptive Security Appliance Getting Started Guide, 8.1 were updated to reflect these changes.
New Features by Platform Release
This section lists the new features available in each supported platform release. Because ASDM supports multiple platform releases, and the ASDM documentation includes features for all releases, you should refer to these sections to determine if a feature is in your release. This section includes the following topics:
•
New Features in Version 8.1(2)
•
New Features in Version 8.1(1)
•
New Features in Version 8.0(4)
•
New Features in Version 8.0(3)
•
New Features in Version 8.0(2)
New Features in Version 8.1(2)
Table 3 lists the new features for Version 8.1(2).
Note
Version 8.1(x) is only supported on the Cisco ASA 5580 adaptive security appliance.
New Features in Version 8.1(1)
Table 4 lists the new features for Version 8.1(1).
Note
Version 8.1(x) is only supported on the Cisco ASA 5580 adaptive security appliance.
New Features in Version 8.0(4)
Note
These features are not available in Version 8.1(1). See the "New Features in Version 8.1(2)" section for many, but not all, of these features. For example, Unified Communications features are not supported in 8.1(2) or lower.
Table 5 lists the new features for Version 8.0(4).
Table 5 New Features for ASA and PIX Version 8.0(4)
Feature Description Unified Communications Features1Phone Proxy
Phone Proxy functionality is supported. ASA Phone Proxy provides similar features to those of the Metreos Cisco Unified Phone Proxy with additional support for SIP inspection and enhanced security. The ASA Phone Proxy has the following key features:
•
Secures remote IP phones by forcing the phones to encrypt signaling and media
•
Performs certificate-based authentication with remote IP phones
•
Terminates TLS signaling from IP phones and initiates TCP and TLS to Cisco Unified Mobility Advantage servers
•
Terminates SRTP and initiates RTP/SRTP to the called party
In ASDM, see Configuration > Firewall > Advanced > Encrypted Traffic Inspection > Enable Phone Proxy.
Mobility Proxy
Secure connectivity (mobility proxy) between Cisco Unified Mobility Advantage clients and servers is supported.
Cisco Unified Mobility Advantage solutions include the Cisco Unified Mobile Communicator, an easy-to-use software application for mobile handsets that extends enterprise communications applications and services to mobile phones and smart phones and the Cisco Unified Mobility Advantage server. The mobility solution streamlines the communication experience, enabling real-time collaboration across the enterprise.
The ASA in this solution delivers inspection for the MMP (formerly called OLWP) protocol, the proprietary protocol between Cisco Unified Mobile Communicator and Cisco Unified Mobility Advantage. The ASA also acts as a TLS proxy, terminating and reoriginating the TLS signaling between the Cisco Unified Mobile Communicator and Cisco Unified Mobility Advantage.
In ASDM, see Configuration > Firewall > Advanced > Encrypted Traffic Inspection > TLS Proxy.
Presence Federation Proxy
Secure connectivity (presence federation proxy) between Cisco Unified Presence servers and Cisco/Microsoft Presence servers is supported. With the Presence solution, businesses can securely connect their Cisco Unified Presence clients back to their enterprise networks, or share Presence information between Presence servers in different enterprises.
The ASA delivers functionality to enable Presence for Internet and intra-enterprise communications. An SSL-enabled Cisco Unified Presence client can establish an SSL connection to the Presence Server. The ASA enables SSL connectivity between server to server communication including third-party Presence servers communicating with Cisco Unified Presence servers. Enterprises share Presence information, and can use IM applications. The ASA inspects SIP messages between the servers.
In ASDM, see Configuration > Firewall > Service Policy Rules > Add/Edit Service Policy Rule > Rule Actions > Protocol Inspection or Configuration > Firewall > Advanced > Encrypted Traffic Inspection > TLS Proxy > Add > Client Configuration.
Remote Access FeaturesAuto Sign-On with Smart Tunnels for IE1
This feature lets you enable the replacement of logon credentials for WININET connections. Most Microsoft applications use WININET, including Internet Explorer. Mozilla Firefox does not, so it is not supported by this feature. It also supports HTTP-based authentication, therefore form-based authentication does not work with this feature.
Credentials are statically associated to destination hosts, not services, so if initial credentials are wrong, they cannot be dynamically corrected during runtime. Also, because of the association with destinations hosts, providing support for an auto sign-on enabled host may not be desirable if you want to deny access to some of the services on that host.
To configure a group auto sign-on for smart tunnels, you create a global list of auto sign-on sites, then assign the list to group policies or user names. This feature is not supported with Dynamic Access Policy.
In ASDM, see Firewall > Advanced > ACL Manager.
Entrust Certificate Provisioning1
ASDM includes a link to the Entrust website to apply for temporary (test) or discounted permanent SSL identity certificates for your ASA.
In ASDM, see Configuration > Remote Access VPN > Certificate Management > Identity Certificates. Click Enroll ASA SSL VPN head-end with Entrust.
Extended Time for User Reauthentication on IKE Rekey
You can configure the security appliance to give remote users more time to enter their credentials on a Phase 1 SA rekey. Previously, when reauthenticate-on-rekey was configured for IKE tunnels and a phase 1 rekey occurred, the security appliance prompted the user to authenticate and only gave the user approximately 2 minutes to enter their credentials. If the user did not enter their credentials in that 2 minute window, the tunnel would be terminated. With this new feature enabled, users now have more time to enter credentials before the tunnel drops. The total amount of time is the difference between the new Phase 1 SA being established, when the rekey actually takes place, and the old Phase 1 SA expiring. With default Phase 1 rekey times set, the difference is roughly 3 hours, or about 15% of the rekey interval.
In ASDM, see Configuration > Device Management > Certificate Management > Identity Certificates.
Persistent IPsec Tunneled Flows
With the persistent IPsec tunneled flows feature enabled, the security appliance preserves and resumes stateful (TCP) tunneled flows after the tunnel drops, then recovers. All other flows are dropped when the tunnel drops and must reestablish when a new tunnel comes up. Preserving the TCP flows allows some older or sensitive applications to keep working through a short-lived tunnel drop. This feature supports IPsec LAN-to-LAN tunnels and Network Extension Mode tunnels from a Hardware Client. It does not support IPsec or AnyConnect/SSL VPN remote access tunnels. See the [no] sysopt connection preserve-vpn-flows command. This option is disabled by default.
In ASDM, see Configuration > Remote Access VPN > Network (Client) Access > Advanced > IPsec > System Options. Check the Preserve stateful VPN flows when the tunnel drops for Network Extension Mode (NEM) checkbox to enable persistent IPsec tunneled flows.
Show Active Directory Groups
The CLI command show ad-groups was added to list the active directory groups. ASDM Dynamic Access Policy uses this command to present the administrator with a list of MS AD groups that can be used to define the VPN policy.
In ASDM, see Configuration > Remote Access VPN > Clientless SSL VPN Access > Dynamic Access Policies > Add/Edit DAP > Add/Edit AAA Attribute.
Smart Tunnel over Mac OS1
Smart tunnels now support Mac OS.
In ASDM, see Configuration > Remote Access VPN > Clientless SSL VPN Access > Portal > Smart Tunnels.
Firewall FeaturesQoS Traffic Shaping
If you have a device that transmits packets at a high speed, such as the security appliance with Fast Ethernet, and it is connected to a low speed device such as a cable modem, then the cable modem is a bottleneck at which packets are frequently dropped. To manage networks with differing line speeds, you can configure the security appliance to transmit packets at a fixed slower rate. See the shape command. See also the crypto ipsec security-association replay command, which lets you configure the IPSec anti-replay window size. One side-effect of priority queueing is packet re-ordering. For IPSec packets, out-of-order packets that are not within the anti-replay window generate warning syslog messages. These warnings become false alarms in the case of priority queueing. This new command avoids possible false alarms.
In ASDM, see Configuration > Firewall > Security Policy > Service Policy Rules > Add/Edit Service Policy Rule > Rule Actions > QoS. Note that the only traffic class supported for traffic shaping is class-default, which matches all traffic.
TCP Normalization Enhancements
You can now configure TCP normalization actions for certain packet types. Previously, the default actions for these kinds of packets was to drop the packet. Now you can set the TCP normalizer to allow the packets.
•
TCP invalid ACK check (the invalid-ack command)
•
TCP packet sequence past window check (the seq-past-window command)
•
TCP SYN-ACK with data check (the synack-data command)
You can also set the TCP out-of-order packet buffer timeout (the queue command timeout keyword). Previously, the timeout was 4 seconds. You can now set the timeout to another value.
The default action for packets that exceed MSS has changed from drop to allow (the exceed-mss command).
The following non-configurable actions have changed from drop to clear for these packet types:
•
Bad option length in TCP
•
TCP Window scale on non-SYN
•
Bad TCP window scale value
•
Bad TCP SACK ALLOW option
In ASDM, see Configuration > Firewall > Objects > TCP Maps.
TCP Intercept statistics
You can enable collection for TCP Intercept statistics using the threat-detection statistics tcp-intercept command, and view them using the show threat-detection statistics command.
In ASDM 6.1(5) and later, see Configuration > Firewall > Threat Detection. This command was not supported in ASDM 6.1(3).
Threat detection shun timeout
You can now configure the shun timeout for threat detection using the threat-detection scanning-threat shun duration command.
In ASDM 6.1(5) and later, see Configuration > Firewall > Threat Detection. This command was not supported in ASDM 6.1(3).
Timeout for SIP Provisional Media
You can now configure the timeout for SIP provisional media using the timeout sip-provisional-media command.
In ASDM, see Configuration > Firewall > Advanced > Global Timeouts.
Platform FeaturesNative VLAN support for the ASA 5505
You can now include the native VLAN in an ASA 5505 trunk port using the switchport trunk native vlan command.
Note
This feature is not currently supported in ASDM. You can enter this command using the Tools > Command Line Interface dialog box. For example, to make VLAN 202 a native VLAN, enter switchport trunk native vlan 202. See the Cisco Security Appliance Command Reference for more information.
1 This feature is not supported on the PIX security appliance.
New Features in Version 8.0(3)
Table 6 lists the new features for Version 8.0(3).
New Features in Version 8.0(2)
Table 1-7 lists the new features for Version 8.0(2).
Note
There was no ASA or PIX 8.0(1) release.
Table 1-7 New Features for ASA and PIX Version 8.0(2)
ASA Feature Type Feature Description General Features RoutingEIGRP routing
The security appliance supports EIGRP or EIGRP stub routing.
High AvailabilityRemote command execution in Failover pairs
You can execute commands on the peer unit in a failover pair without having to connect directly to the peer. This works for both Active/Standby and Active/Active failover.
CSM configuration rollback support
Adds support for the Cisco Security Manager configuration rollback feature in failover configurations.
Failover pair Auto Update support
You can use an Auto Update server to update the platform image and configuration in failover pairs.
Stateful Failover for SIP signaling
SIP media and signaling connections are replicated to the standby unit.
Redundant interfaces
A logical redundant interface pairs an active and a standby physical interface. When the active interface fails, the standby interface becomes active and starts passing traffic. You can configure a redundant interface to increase the security appliance reliability. This feature is separate from device-level failover, but you can configure redundant interfaces as well as failover if desired. You can configure up to eight redundant interface pairs.
SSMsPassword reset
You can reset the password on the SSM hardware module.
VPN Features1 Authentication EnhancementsCombined certificate and username/password login
An administrator requires a username and password in addition to a certificate for login to SSL VPN connections.
Internal domain username/password
Provides a password for access to internal resources for users who log in with credentials other than a domain username and password, for example, with a one-time password. This is a password in addition to the one a user enters when logging in.
Generic LDAP support
This includes OpenLDAP and Novell LDAP. Expands LDAP support available for authentication and authorization.
Onscreen keyboard
The security appliance includes an onscreen keyboard option for the login page and subsequent authentication requests for internal resources. This provides additional protection against software-based keystroke loggers by requiring a user to use a mouse to click characters in an onscreen keyboard for authentication, rather than entering the characters on a physical keyboard.
SAML SSO verified with RSA Access Manager
The security appliance supports Security Assertion Markup Language (SAML) protocol for Single Sign On (SSO) with RSA Access Manager (Cleartrust and Federated Identity Manager).
NTLMv2
Version 8.0(2) adds support for NTLMv2 authentication for Windows-based clients.
CertificatesLocal certificate authority
Provides a certificate authority on the security appliance for use with SSL VPN connections, both browser- and client-based.
OCSP CRL
Provides OCSP revocation checking for SSL VPN.
Cisco Secure DesktopHost Scan
As a condition for the completion of a Cisco AnyConnect or clientless SSL VPN connection, the remote computer scans for a greatly expanded collection of antivirus and antispyware applications, firewalls, operating systems, and associated updates. It also scans for any registry entries, filenames, and process names that you specify. It sends the scan results to the security appliance. The security appliance uses both the user login credentials and the computer scan results to assign a Dynamic Access Policy (DAP).
With an Advanced Endpoint Assessment License, you can enhance Host Scan by configuring an attempt to update noncompliant computers to meet version requirements.
Cisco can provide timely updates to the list of applications and versions that Host Scan supports in a package that is separate from Cisco Secure Desktop.
Simplified prelogin assessment and periodic checks
Cisco Secure Desktop now simplifies the configuration of prelogin and periodic checks to perform on remote Microsoft Windows computers. Cisco Secure Desktop lets you add, modify, remove, and place conditions on endpoint checking criteria using a simplified, graphical view of the checks. As you use this graphical view to configure sequences of checks, link them to branches, deny logins, and assign endpoint profiles, Cisco Secure Desktop Manager records the changes to an XML file. You can configure the security appliance to use returned results in combination with many other types of data, such as the connection type and multiple group settings, to generate and apply a DAP to the session.
Access PoliciesDynamic access policies (DAP)
VPN gateways operate in dynamic environments. Multiple variables can affect each VPN connection, for example, intranet configurations that frequently change, the various roles each user may inhabit within an organization, and logins from remote access sites with different configurations and levels of security. The task of authorizing users is much more complicated in a VPN environment than it is in a network with a static configuration.
Dynamic Access Policies (DAP) on the security appliance let you configure authorization that addresses these many variables. You create a dynamic access policy by setting a collection of access control attributes that you associate with a specific user tunnel or session. These attributes address issues of multiple group membership and endpoint security. That is, the security appliance grants access to a particular user for a particular session based on the policies you define. It generates a DAP at the time the user connects by selecting and/or aggregating attributes from one or more DAP records. It selects these DAP records based on the endpoint security information of the remote device and the AAA authorization information for the authenticated user. It then applies the DAP record to the user tunnel or session.
Administrator differentiation
Lets you differentiate regular remote access users and administrative users under the same database, either RADIUS or LDAP. You can create and restrict access to the console via various methods (TELNET and SSH, for example) to administrators only. It is based on the IETF RADIUS service-type attribute.
Platform EnhancementsVLAN support for remote access VPN connections
Provides support for mapping (tagging) of client traffic at the group or user level. This feature is compatible with clientless as well as IPsec and SSL tunnel-based connections.
VPN load balancing for the ASA 5510
Extends load balancing support to ASA 5510 security appliances that have a Security Plus license.
Crypto conditional debug
Lets users debug an IPsec tunnel on the basis of predefined crypto conditions such as the peer IP address, connection-ID of a crypto engine, and security parameter index (SPI). By limiting debug messages to specific IPSec operations and reducing the amount of debug output, you can better troubleshoot the security appliance with a large number of tunnels.
Browser-based SSL VPN FeaturesEnhanced portal design
Version 8.0(2) includes an enhanced end user interface that is more cleanly organized and visually appealing.
Customization
Supports administrator-defined customization of all user-visible content.
Support for FTP
You can provide file access via FTP in additional to CIFS (Windows-based).
Plugin applets
Version 8.0(2) adds a framework for supporting TCP-based applications without requiring a pre-installed client application. Java applets let users access these applications from the browser-enabled SSL VPN portal. Initial support is for TELNET, SSH, RDP, and VNC.
Smart tunnels
A smart tunnel is a connection between an application and a remote site, using a browser-based SSL VPN session with the security appliance as the pathway. Version 8.0(2) lets you identify the applications to which you want to grant smart tunnel access, and lets you specify the path to the application and the SHA-1 hash of its checksum to check before granting it access. Lotus SameTime and Microsoft Outlook Express are examples of applications to which you might want to grant smart tunnel access.
The remote host originating the smart tunnel connection must be running Microsoft Windows Vista, Windows XP, or Windows 2000, and the browser must be enabled with Java, Microsoft ActiveX, or both.
RSS newsfeed
Administrators can populate the clientless portal with RSS newsfeed information, which lets company news or other information display on a user screen.
Browser-based SSL VPN Features (continued)Personal bookmark support
Users can define their own bookmarks. These bookmarks are stored on a file server.
Transformation enhancements
Adds support for several complex forms of web content over clientless connections, including Adobe flash and Java WebStart.
IPv6
Allows access to IPv6 resources over a public IPv4 connection.
Web folders
Lets browser-based SSL VPN users connecting from Windows operating systems browse shared file systems and perform the following operations: view folders, view folder and file properties, create, move, copy, copy from the local host to the remote host, copy from the remote host to the local host, and delete. Internet Explorer indicates when a web folder is accessible. Accessing this folder launches another window, providing a view of the shared folder, on which users can perform web folder functions, assuming the properties of the folders and documents permit them.
Microsoft Sharepoint enhancement
Extends Web Access support for Microsoft Sharepoint, integrating Microsoft Office applications available on the machine with the browser to view, change, and save documents shared on a server. Version 8.0(2) supports Windows Sharepoint Services 2.0 in Windows Server 2003.
HTTP Proxy
PAC support
Lets you specify the URL of a proxy autoconfiguration file (PAC) to download to the browser. Once downloaded, the PAC file uses a JavaScript function to identify a proxy for each URL.
HTTPS Proxy
Proxy exclusion list
Lets you configure a list of URLs to exclude from the HTTP requests the security appliance can send to an external proxy server.
NACSSL VPN tunnel support
The security appliance provides NAC posture validation of endpoints that establish AnyConnect VPN client sessions.
Support for audit services
You can configure the security appliance to pass the IP address of the client to an optional audit server if the client does not respond to a posture validation request. The audit server uses the host IP address to challenge the host directly to assess its health. For example, it might challenge the host to determine whether its virus checking software is active and up-to-date. After the audit server completes its interaction with the remote host, it passes a token to the posture validation server, indicating the health of the remote host. If the token indicates the remote host is healthy, the posture validation server sends a network access policy to the security appliance for application to the traffic on the tunnel.
Firewall Features Application InspectionModular policy framework inspect class map
Traffic can match one of multiple match commands in an inspect class map; formerly, traffic had to match all match commands in a class map to match the class map.
AIC for encrypted streams and AIC Arch changes
Provides HTTP inspection into TLS, which allows AIC/MPF inspection in WebVPN HTTP and HTTPS streams.
TLS Proxy for SCCP and SIP2
Enables inspection of encrypted traffic. Implementations include SSL encrypted VoIP signaling, namely Skinny and SIP, interacting with the Cisco CallManager.
SIP enhancements for CCM
Improves interoperability with CCM 5.0 and 6.x with respect to signaling pinholes.
Full RTSP PAT support
Provides TCP fragment reassembly support, a scalable parsing routine on RTSP, and security enhancements that protect RTSP traffic.
Access ListsEnhanced service object group
Lets you configure a service object group that contains a mix of TCP services, UDP services, ICMP-type services, and any protocol. It removes the need for a specific ICMP-type object group and protocol object group. The enhanced service object group also specifies both source and destination services. The access list CLI now supports this behavior.
Ability to rename access list
Lets you rename an access list.
Live access list hit counts
Includes the hit count for ACEs from multiple access lists. The hit count value represents how many times traffic hits a particular access rule.
Attack PreventionSet connection limits for management traffic to the security appliance
For a Layer 3/4 management class map, you can specify the set connection command.
Threat detection
You can enable basic threat detection and scanning threat detection to monitor attacks such as DoS attacks and scanning attacks. For scanning attacks, you can automatically shun attacking hosts. You can also enable scan threat statistics to monitor both valid and invalid traffic for hosts, ports, protocols, and access lists.
NATTransparent firewall NAT support
You can configure NAT for a transparent firewall.
IPSVirtual IPS sensors with the AIP SSM
The AIP SSM running IPS software Version 6.0 and above can run multiple virtual sensors, which means you can configure multiple security policies on the AIP SSM. You can assign each context or single mode security appliance to one or more virtual sensors, or you can assign multiple security contexts to the same virtual sensor. See the IPS documentation for more information about virtual sensors, including the maximum number of sensors supported.
LoggingSecure logging
You can enable secure connections to the syslog server using SSL or TLS with TCP, and encrypted system log message content. Not supported on the PIX series security appliance.
IPv6IPv6 support for SIP
The SIP inspection engine supports IPv6 addresses. IPv6 addresses can be used in URLs, in the Via header field, and SDP fields.
1 Clientless SSL VPN features are not supported on the PIX security appliance.
2 TLS proxy is not supported on the PIX security appliance.
Upgrading the Security Appliance
This section describes how to upgrade the security appliance to a new ASDM release. If you have a Cisco.com login, you can obtain ASDM from the following website:
http://www.cisco.com/public/sw-center/index.shtml
Note
If you are upgrading from PIX Version 6.3, first upgrade to Version 7.0 according to the Guide for Cisco PIX 6.2 and 6.3 Users Upgrading to Cisco PIX Software Version 7.0. Then upgrade PDM to ASDM according to the ASDM 5.0 release notes.
If you have a previous release of ASDM on your security appliance and want to upgrade to the latest release, you can do so from within ASDM. We recommend that you upgrade the ASDM image before the platform image. ASDM is backward compatible, so you can upgrade the platform image using the new ASDM; you cannot use an old ASDM with a new platform image.
To upgrade ASDM, perform the following steps:
Step 1
Download the new ASDM image to your PC.
Optionally, you can download a new platform image to your PC if the installed image is earlier than 8.0.
Step 2
Launch ASDM.
Step 3
From the Tools menu:
a.
In ASDM 5.0 and 5.1, choose Tools > Upload Image from Local PC.
b.
In ASDM 5.2, choose Tools > Upgrade Software.
c.
In ASDM 6.0, choose Tools > Upload Software from Local Computer.
Step 4
With ASDM selected, click Browse Local to select the new ASDM image.
Step 5
To specify the location in Flash memory where you want to install the new image, enter the directory path in the field or click Browse Flash.
If your security appliance does not have enough memory to hold two ASDM images, overwrite the old image with the new one by specifying the same destination filename. You can rename the image after it was uploaded using the Tools > File Management tool.
If you have enough memory for both versions, you can specify a different name for the new version. If you need to revert to the old version, it is still in your Flash memory.
Step 6
Click Upload Image.
When ASDM is finished uploading, the following message appears:
"ASDM Image is Uploaded to Flash Successfully."
Step 7
For Version 5.x only: If the new ASDM image has a different name than the old image, then you must configure the security appliance to load the new image. Use the Configuration > Properties > Device Administration > Boot System/Configuration pane.
Step 8
If installing a new platform image, download the new platform image using the Tools > Upgrade Software tool with ASA or PIX selected.
If your security appliance does not have enough memory to hold two ASDM images, overwrite the old image with the new one by specifying the same destination filename. You can rename the image after it was uploaded using the Tools > File Management tool.
Step 9
If installing a new image, select ASA as the new image, and reload the security appliance using the
Tools > System Reload tool.Make sure to choose "Save the running configuration at time of reload".
Step 10
To run the new ASDM image, exit ASDM and reconnect.
Unsupported Commands
ASDM supports almost all commands available for the adaptive security appliance, but ASDM ignores some commands in an existing configuration. Most of these commands can remain in your configuration; see Tools > Show Commands Ignored by ASDM on Device for more information.
This section includes the following topics:
•
Ignored and View-Only Commands
•
Effects of Unsupported Commands
•
Discontinuous Subnet Masks Not Supported
•
Interactive User Commands Not Supported by the ASDM CLI Tool
Ignored and View-Only Commands
Table 8 lists commands that ASDM supports in the configuration when added through the CLI, but that cannot be added or edited in ASDM. If ASDM ignores the command, it does not appear in the ASDM GUI at all. If the command is view-only, then it appears in the GUI, but you cannot edit it.
Effects of Unsupported Commands
•
If ASDM loads an existing running configuration and finds IPv6-related commands, ASDM displays a dialog box informing you that it does not support IPv6. You cannot configure any IPv6 commands in ASDM, but all other configuration is available.
•
If ASDM loads an existing running configuration and finds other unsupported commands, ASDM operation is unaffected. To view the unsupported commands, choose Tools > Show Commands Ignored by ASDM on Device.
•
If ASDM loads an existing running configuration and finds the alias command, it enters Monitor-only mode.
Monitor-only mode allows access to the following functions:
–
The Monitoring area
–
The CLI tool (Tools > Command Line Interface), which lets you use the CLI commands
To exit Monitor-only mode, use the CLI tool or access the security appliance console, and remove the alias command. You can use outside NAT instead of the alias command. See the Cisco Security Appliance Command Reference for more information.
Note
You might also be in Monitor-only mode because your user account privilege level, indicated in the status bar at the bottom of the main ASDM window, was set up as less than or equal to three by your system administrator, which allows Monitor-only mode. For more information, choose Configuration > Device Management > Users/AAA > User Accounts and
Configuration > Device Management > Users/AAA > AAA Access.
Discontinuous Subnet Masks Not Supported
ASDM does not support discontinuous subnet masks such as 255.255.0.255. For example, you cannot use the following:
ip address inside 192.168.2.1 255.255.0.255Interactive User Commands Not Supported by the ASDM CLI Tool
The ASDM CLI tool does not support interactive user commands. If you enter a CLI command that requires interactive confirmation, ASDM prompts you to enter "[yes/no]" but does not recognize your input. ASDM then times out waiting for your response.
For example:
1.
From the ASDM Tools menu, click Command Line Interface.
2.
Enter the crypto key generate rsa command.
ASDM generates the default 1024-bit RSA key.
3.
Enter the crypto key generate rsa command again.
Instead of regenerating the RSA keys by overwriting the previous one, ASDM displays the following error:
Do you really want to replace them? [yes/no]:WARNING: You already have RSA ke0000000000000$A keyInput line must be less than 16 characters in length.%Please answer 'yes' or 'no'.Do you really want to replace them [yes/no]:%ERROR: Timed out waiting for a response.ERROR: Failed to create new RSA keys names <Default-RSA-key>Workaround:
•
You can configure most commands that require user interaction by means of the ASDM panes.
•
For CLI commands that have a noconfirm option, use this option when entering the CLI command. For example:
crypto key generate rsa noconfirmCaveats
The following sections describe the open and resolved caveats for Version 6.1(5).
•
Resolved Caveats—Version 6.1(5)
Note
If you are a registered cisco.com user, view Bug Toolkit on cisco.com at the following website:
http://tools.cisco.com/Support/BugToolKit
To become a registered cisco.com user, go to the following website:
http://tools.cisco.com/RPF/register/register.do
Open Caveats—Version 6.1(5)
Table 9 lists the open caveats for Version 6.1(5).
Resolved Caveats—Version 6.1(5)
Table 10 lists the resolved caveats for Version 6.1(5).
End-User License Agreement
For information on the end-user license agreement, go to:
http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html
Related Documentation
For additional information on ASDM or its platforms, see Navigating the Cisco ASA 5500 Series Documentation:
http://www.cisco.com/en/US/docs/security/asa/roadmap/asaroadmap.html
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS Version 2.0.
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