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From: Eric Leblond <eric@inl.fr>
To: michael@networkstuff.co.nz
Cc: netfilter@lists.netfilter.org
Subject: Re: IP Tables slows network response times
Date: Sun, 14 Aug 2005 11:49:27 +0200	[thread overview]
Message-ID: <1124012967.4878.2.camel@porky> (raw)
In-Reply-To: <200508142133.57867.michael@networkstuff.co.nz>

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On Sun, 2005-08-14 at 21:33 +1200, Michael Hallager wrote:
> Hello all.
> 
> I have spent rather a lot of time trying to find an answer for this one.
> 
> I have a Slackware Linux box, 2.4.29 kernel running IP Tables. I have the bare 
> number of needed modules compiled into the custom kernel.

> This works except it makes webpages and email served from this box SLOW to 
> respond. (Several seconds).
> 

several seconds ? looks like you've got a timeout problem on name
resolution (or another network access). Please ensure that DNS or name
resolution traffic is not blocked.
More over, add a rule to accept loopback traffic on INPUT, blocked
loopback traffic could explain problem you have.

Hope this help,
-- 
Eric Leblond <eric@inl.fr>
INL

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  reply	other threads:[~2005-08-14  9:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-14  9:33 IP Tables slows network response times Michael Hallager
2005-08-14  9:49 ` Eric Leblond [this message]
2005-08-14  9:54   ` Michael Hallager
2005-08-15  5:42 ` Grant Taylor
2005-08-15  6:14 ` Jan Engelhardt
  -- strict thread matches above, loose matches on Subject: below --
2005-08-14 17:39 Gary W. Smith
2005-08-14 18:00 ` Nikolai Geogriev

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