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Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
Chapter 71 Configuring Logging
Feature History for Logging
Syslog message filtering
and sorting
8.3(2) Support has been added for the following:
• Syslog message filtering based on multiple text strings that correspond to
various columns
• Creation of custom filters
• Column sorting of messages. For detailed information, see the Cisco ASA
5500 Series Configuration Guide using ASDM.
The following screens were modified:
Monitoring > Logging > Real-Time Log Viewer > View
Monitoring > Logging > Log Buffer Viewer > View
This feature interoperates with all ASA versions.
Enhanced logging and
connection blocking
8.3(2) When you configure a syslog server to use TCP, and the syslog server is
unavailable, the adaptive security appliance blocks new connections that
generate syslog messages until the server becomes available again (for example,
VPN, firewall, and cut-through-proxy connections). This feature has been
enhanced to also block new connections when the logging queue on the adaptive
security appliance is full; connections resume when the logging queue is cleared.
This feature was added for compliance with Common Criteria EAL4+. Unless
required, we recommended allowing connections when syslog messages cannot
be sent or received. To allow connections, continue to check the Allow user
traffic to pass when TCP syslog server is down check box on the Configuration
> Device Management > Logging > Syslog Servers pane.
The following syslog messages were introduced: 414005, 414006, 414007, and
414008.
No ASDM screens were modified.
Table 71-2 Feature History for Logging (continued)
Feature Name
Platform
Releases Feature Information
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