I was wondering if Cisco has any ?Best Practices? on the best ways to use IDS
Event Manager and or do you know what other companies are doing to best us it.
I feel that we are not getting 100% out of it. I am still having issues with
monitoring and making sure we are getting the right alerts. I feel like unless
I have someone sitting right in front of it watching every minute that we are
missing things.
I have downloaded a Perl script from Cisco?s website but you are still limited
on what you can assign the script to.
For example: When I go to assign the script to a filter the only choices I have
are:
Originating Device
Originating Device Address
Attacker Address
Victim Address
Signature Name
Signature ID
Severity
From these choices not one is good because you have to know info, like
Originating Device IP. If I pick Severity = High then all High alerts trigger
the script. When I tested this one I was getting e-mail after e-mail. I did
set the thresholds.
What would be nice if there was a way to do ?Grouping? Signatures, meaning that
I could make a group and add all the Virus/Worm related signatures to that
group and then create a filter that would alert when a signature from that
group was matched? Grouping would allow us to focus our alerts a little better.
Any help or suggestions would be nice on the best wayt to get the Event Manager
to alert use to an issue.
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