Re: FreeBSD 7, bridge, PF and syn flood = very bad performance

From: Stefan Lambrev <stefan.lambrev_at_moneybookers.com>
Date: Sat, 26 Jan 2008 22:52:39 +0200
Dag-Erling Smørgrav wrote:
> Stefan Lambrev <stefan.lambrev_at_moneybookers.com> writes:
>   
>> Does anyone try to see PF with "keep state" in action when under syn
>> flood attack?
>>     
>
> Try "synproxy state" instead of "keep state".
>
> DES
>   
 From man pf.conf - Rules with synproxy will not work if pf(4) operates 
on a bridge(4).

My short experience from today shows that synproxy can't handle syn 
flood with random source IP - 150kpps,
but I'll test this  after few days.
Received on Sat Jan 26 2008 - 19:52:44 UTC

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