Re: Snort inline with Squid

[James Lay <jlay () slave-tothe-box net>]

On Fri, 2015-04-24 at 09:33 +0200, Robert Lasota wrote:

> Hi,
>
>  
>
> Well, I have problem with running this both apps together on router.
> Snort (as IPS) inline gets traffic from iptables (QUEUE option), and
> Squid transparent also (from PREROUTING), and it turned out there is
> problem to rinning both in that case. I tried these combinations of
> iptables:
>
>  
>
> # for Snort
>
> $iptables -I FORWARD -p tcp --dport 80 -j QUEUE
>
> # for Squid
> $iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port
> 3128
>
>  
>
> $iptables -I FORWARD -p tcp --dport 80 -j QUEUE
> $iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port
> 3128
>
>  
>
> $iptables -I OUTPUT -p tcp --dport 80 -j QUEUE
> $iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port
> 3128
>
>  
>
> .. and nothing. In all cases or Squid doesn't work or Snort.
>
>  
>
> Does somebody have any idea how to solve this difficult case ? I would
> be appreciated.
>
> Robert
>
>  
>
>  
>
>
>
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Two interfaces?  One internal net, one external net?

James

------------------------------------------------------------------------------
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Widest out-of-the-box monitoring support with 50+ applications
Performance metrics, stats and reports that give you Actionable Insights
Deep dive visibility with transaction tracing using APM Insight.
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