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C-45
Cisco Intrusion Prevention System CLI Sensor Configuration Guide for IPS 7.1
OL-19892-01
Appendix C Troubleshooting
Troubleshooting the Appliance
edit-default-sigs-only
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default-signatures-only
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specify-service-ports
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no
-----------------------------------------------
-----------------------------------------------
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specify-tcp-max-mss
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no
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-----------------------------------------------
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specify-tcp-min-mss
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no
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--MORE--
Step 4 Exit signature definition submode.
sensor(config-sig-sig-nor)# exit
sensor(config-sig-sig)# exit
sensor(config-sig)# exit
Apply Changes:?[yes]:
Step 5 Press Enter to apply the changes or type no to discard them.
Verifying the Master Blocking Sensor Configuration
To verify that a master blocking sensor is set up properly or to troubleshoot a master blocking sensor
that is not set up properly, you can use the show statistics network-access command. Make sure that
the forwarding sensor is set up as TLS trusted host if the remote master blocking sensor is using TLS for
web access.
To verify a master blocking sensor configuration, follow these steps:
Step 1 Log in to the CLI.
Step 2 View the ARC statistics and verify that the master blocking sensor entries are in the statistics.
sensor# show statistics network-access
Current Configuration
AllowSensorShun = false
ShunMaxEntries = 250
MasterBlockingSensor
SensorIp = 10.89.149.46
SensorPort = 443
UseTls = 1
State
ShunEnable = true
ShunnedAddr
Host
IP = 122.122.122.44
ShunMinutes = 60
MinutesRemaining = 59