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Adding subsignature manually in CSPM filter

rrvanderveen
Level 1
Level 1

Hello,

we use filters per IDS to filter known traffic out of the CSPM 2.3.3i logging.

Some filters don't seem to work (simple and advanced filters).

In these cases I noticed that when creating the filter, the signature doesn't show any subsignatures, but in the logging there are subsignatures mentioned (like [3050 Half-open Syn Attack], in the logging it shows [subsignature 80]).

When creating the filter, and selecting [all subsignatures], it doesn't seem to make the filter work. When I modify it and manually add 80 for a subsignature, I click OK and CSPM crashes with a Dr.Watson mentioning 'Access Violation'.

I wonder if I'm adding the subsignature wrong, or that I just can't do that, or if there is another issue. I don't experience any other unexpected behaviour. Any thoughts about this?

Thanks,

Reinier

1 Reply 1

drolemc
Level 6
Level 6

Please see "Tuning Sensor Signatures Using Policy Override Settings" at http://www.cisco.com/en/US/products/sw/secursw/ps2133/products_user_guide_chapter09186a00800d9c8a.html. Hope that helps. Also, see bug CSCdt13844 'cspm fms.exe database crash'.