Re: [squid-users] Errors

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Sat, 25 Dec 2010 02:06:55 +1300

On 24/12/10 21:40, benjamin fernandis wrote:
> Hi Friends,
>
> I m getting errors in cache.log file..
>
> [root_at_localhost.localdomain ~]# tail -f /var/log/squid/cache.log
> 2010/12/24 13:26:21| IpIntercept.cc(137) NetfilterInterception: NF
> getsockopt(SO_ORIGINAL_DST) failed on FD 316: (92) Protocol not
> available

Two possible causes:
  The less common one is NAT failure or overflow in the box TCP systems.

  This is more usually seen when receiving non-NAT requests in a port
flagged to perform NAT processing on the traffic. It is a needless
security hole opening CVE-2009-0801 to any client. Use two ports, one
for regular traffic and one for NAT intercept traffic.

Amos

-- 
Please be using
   Current Stable Squid 2.7.STABLE9 or 3.1.9
   Beta testers wanted for 3.2.0.3
Received on Fri Dec 24 2010 - 13:07:08 MST

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