From: Ulysses Almeida <ulysses.almeida@gmail.com>
To: Samuel Jean <sj-netfilter@cookinglinux.org>
Cc: netfilter@lists.netfilter.org
Subject: Re: Two links and a SMTP sever.
Date: Tue, 18 Jan 2005 18:14:18 -0300 [thread overview]
Message-ID: <d645356050118131479a9720@mail.gmail.com> (raw)
In-Reply-To: <28693.142.169.215.10.1106083062.squirrel@142.169.215.10>
How can I debug, what happens after mangle PREROUTING. Can I do it
only for packets with src port set to 25? to get a "clear" output?
On Tue, 18 Jan 2005 16:17:42 -0500 (EST), Samuel Jean
<sj-netfilter@cookinglinux.org> wrote:
> > That's another doubt, dos nat PREROUTING called with syn+ack
> > packets, or only with sym packets?
>
> the nat table is special, it only sees the first packet
> of a connection.
>
> All other subsequent packet of this connection get verdict via
> the conntrack. (bypass NAT chains)
>
So this conntrack entry is created while my syn packet is going
out.... Can something wrong happening here, and conntrack gives the
wrong veridict?
>
> Samuel
>
>
--
- Ulysses Almeida
next prev parent reply other threads:[~2005-01-18 21:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-18 13:39 Two links and a SMTP sever Ulysses Almeida
2005-01-18 20:54 ` Samuel Jean
2005-01-18 20:52 ` Ulysses Almeida
2005-01-18 21:17 ` Samuel Jean
2005-01-18 21:14 ` Ulysses Almeida [this message]
2005-01-18 22:02 ` Samuel Jean
2005-01-19 12:26 ` Ulysses Almeida
2005-01-18 23:28 ` Jason Opperisano
2005-02-07 22:53 ` Ulysses Almeida
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