Linux Netfilter discussions
 help / color / mirror / Atom feed
From: Michael Hallager <michael@networkstuff.co.nz>
To: netfilter@lists.netfilter.org
Subject: Re: Fwd: Re: IP Tables slows network response times
Date: Mon, 15 Aug 2005 23:04:15 +1200	[thread overview]
Message-ID: <200508152304.15397.michael@networkstuff.co.nz> (raw)
In-Reply-To: <4300742E.6050307@mnemon.de>

I use Postfix MTA and I am getting long waits on other aservices like www.
I will post the output.

> Some time ago, I had a similar problem with slow responses (~30s delay).
> It turned out that it was identd, as Grant assumed in your case too.
> Adding a rule like
>
> iptables -A OUTPUT -p tcp --dport 113 -j REJECT \
>          --reject-with tcp-reset
>
> solved this for me. I don't know the Slackware distro, but it seems,
> that they use sendmail. If this is true, it is quite likely that identd
> causes the trouble (at least it was true for me on one box).
>
> Have a nice time,
>
> Joerg

-- 
Michael Hallager
networkStuff ltd
www.networkstuff.co.nz | p.09.839.1000 | m.029.638.7883


  reply	other threads:[~2005-08-15 11:04 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-14 17:39 IP Tables slows network response times Gary W. Smith
2005-08-14 18:00 ` Nikolai Geogriev
2005-08-15  8:18 ` Fwd: " Michael Hallager
2005-08-15  9:32   ` Jörg Harmuth
2005-08-15  9:45     ` Michael Hallager
2005-08-15  9:59       ` /dev/rob0
2005-08-15 10:10         ` Michael Hallager
2005-08-15  9:46     ` /dev/rob0
2005-08-15 10:05     ` Michael Hallager
2005-08-15 10:53       ` Jörg Harmuth
2005-08-15 11:04         ` Michael Hallager [this message]
2005-08-15 11:21       ` /dev/rob0
  -- strict thread matches above, loose matches on Subject: below --
2005-08-15 11:07 Michael Hallager
2005-08-15 11:32 Michael Hallager
2005-08-15 11:59 ` Eric Leblond
2005-08-15 13:13 ` /dev/rob0
2005-08-15 15:35 ` Jörg Harmuth

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200508152304.15397.michael@networkstuff.co.nz \
    --to=michael@networkstuff.co.nz \
    --cc=netfilter@lists.netfilter.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox