Snort mailing list archives
Re: Snort CPU consumptions
From: Balasubramaniam Natarajan <bala150985 () gmail com>
Date: Thu, 9 Jan 2014 09:26:58 +0530
On Thu, Jan 9, 2014 at 6:56 AM, waldo kitty <wkitty42 () windstream net> wrote:
so one answer to tuning this rule would be to 1. include a content match 2. include a flow direction but looking at that PCRE, i don't see where it is any more helpful than a simply "any any -> any any" type rule :?
Thanks for the advise I will keep them in mind, I have disabled those rule since my snort would never gets to see traffic on those ports due to firewall :-) I am actually planning to do away with all those rules where the port is not allowed by my firewall in the ingress and create just one rule which just look for "SYN-ACK" flags on those exotic ports should my firewall fail. Any pointer if this is a good idea ? I know that UDP should also be addressed. I can fore see response coming in saying snort is not made for this. I just hope to be wrong on this one too. -- Regards, Balasubramaniam Natarajan www.blog.etutorshop.com
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Current thread:
- Snort CPU consumptions Balasubramaniam Natarajan (Jan 08)
- Re: Snort CPU consumptions Patrick Mullen (Jan 08)
- Re: Snort CPU consumptions waldo kitty (Jan 08)
- Re: Snort CPU consumptions Balasubramaniam Natarajan (Jan 08)
- Re: Snort CPU consumptions Balasubramaniam Natarajan (Jan 08)
- Re: Snort CPU consumptions waldo kitty (Jan 08)
- Re: Snort CPU consumptions Patrick Mullen (Jan 08)