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44-13
Cisco ASDM User Guide
OL-16647-01
Chapter 44 Monitoring Properties
CRL
• Show Graphs—Click to display a new or updated graph window.
Modes
The following table shows the modes in which this feature is available:
CRL
This pane allows you to view or clear associated CRLs of selected CA certificates.
Fields
• CA Certificate Name—Choose the name of the selected certificate from the drop-down list.
• View CRL—Click to view the selected CRL.
• Clear CRL—Click to clear the selected CRL from the cache.
• CRL Info—Display only. Displays detailed CRL information.
Modes
The following table shows the modes in which this feature is available:
DNS Cache
The security appliance provides a local cache of DNS information from external DNS queries that are
sent for certain clientless SSL VPN and certificate commands. Each DNS translation request is first
looked for in the local cache. If the local cache has the information, the resulting IP address is returned.
If the local cache can not resolve the request, a DNS query is sent to the various DNS servers that have
been configured. If an external DNS server resolves the request, the resulting IP address is stored in the
local cache along with its corresponding hostname.
Important Notes
• DNS cache entries are time stamped. The time stamp will be used to age out unused entries. When
the entry is added to the cache, the time stamp is initialized. Each time the entry is accessed, the
timestamp is updated. At a configured time interval, the DNS cache will check all entries and purge
those entries whose time exceeds a configured age-out timer.
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• • • •—
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• • • •—