TMS zl Management and Configuration Guide ST.1.1.100430

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Intrusion Detection and Prevention
Configure IDS/IPS
Enable or Disable Signatures
By default, all the signatures are enabled. To disable a particular signature,
clear its Enable check box.
You can also click Enable All or Disable All for each signature family. However,
you cannot disable signatures in the protocol anomaly family.
The signature detection is applied to all traffic, regardless of zone.
Figure 6-13. Intrusion Prevention > Signatures > View Window
Note If you disable a signature, the IDS/IPS will no longer check packets against
that signature, leaving your network vulnerable to known attacks.