[Oisf-users] HTTP domain whitelist?

Cooper F. Nelson cnelson at ucsd.edu
Mon Jan 27 00:01:42 UTC 2014


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On 1/26/2014 4:34 AM, Peter Manev wrote:
> 
>> I like that too.  I am also fond of the idea to be able to use a BPF
>> like filter for domains at the start line as well.

The problem with that is that often high-traffic domains resolve to
multiple IPs.  libhtp + pass rules mitigate this issue nicely.

> Anyways, it turns out that another culprit in our performance issues
> over the past few weeks were a few bad IPs SYN flooding us.  Which, btw,
> I'll note that suricata+ETPro didn't detect.
> 
>> Maybe the ETPro mail list would be able to offer some help, if you let
>> them know about your troubles?

Based on the examples I wrote a local sig. to detect SYN floods.


- -- 
Cooper Nelson
Network Security Analyst
UCSD ACT Security Team
cnelson at ucsd.edu x41042
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