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Configuring and Monitoring Port Security
Reading Intrusion Alerts and Resetting Alert Flags
– The show port-security intrusion-log command displays the
Intrusion Log
– The
log command displays the Event Log
• In the menu interface:
– The Port Status screen includes a per-port intrusion alert
– The Event Log includes per-port entries for security viola-
tions
• In the web browser interface:
– The Alert Log’s Status | Overview window includes entries for
per-port security violations
– The Intrusion Log in the Security | Intrusion Log window lists
per-port security violation entries
• In HP TopTools for Hubs & Switches via an SNMP trap sent to a
net management station
How the Intrusion Log Operates
When the switch detects an intrusion attempt on a port, it enters a record of
this event in the Intrusion Log. No further intrusion attempts on that port will
appear in the Log until you acknowledge the earlier intrusion event by reset-
ting the alert flag.
The Intrusion Log lists the 20 most recently detected security violation
attempts, regardless of whether the alert flags for these attempts have been
reset. This gives you a history of past intrusion attempts. Thus, for example,
if there is an intrusion alert for port A1 and the Intrusion Log shows two or
more entries for port 1, only the most recent entry has not been acknowledged
(by resetting the alert flag). The other entries give you a history of past
intrusions detected on port A1.
Figure 6-10. Example of Multiple Intrusion Log Entries for the Same Port
!FishSecurity.book Page 16 Thursday, October 10, 2002 9:19 PM
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