Re: woody firewall broken?

To: Davi Leal <david.leal@ene.es>
Cc: debian-firewall@lists.debian.org
Subject: Re: woody firewall broken?
From: Bernd Eckenfels <lists@lina.inka.de>
Date: Thu, 18 Jul 2002 17:54:56 +0200
Message-id: <[🔎] 20020718155456.GA3189@lina.inka.de>
In-reply-to: <[🔎] 001d01c22e40$599951c0$0507e0c2@ene.es>
References: <[🔎] Pine.LNX.3.96.1020715054856.4069E-100000@xwing.xwing.org> <[🔎] 006701c22cbc$dc549640$0507e0c2@ene.es> <[🔎] 20020717000908.GA32273@lina.inka.de> <[🔎] 001d01c22e40$599951c0$0507e0c2@ene.es>

On Thu, Jul 18, 2002 at 11:49:01AM +0200, Davi Leal wrote:
> Yes, the MTA server is an SMTP/POP3 and DNS server. My /etc/resolv.conf file
> is:
>     search ene.es
>     nameserver 127.0.0.1
> 
> What about it?. What is the issue?.

you use your own computer as an dns proxy. I guess your own computer has the
DNS Server on the MTA as forwarder. If you block UDP your own computer cant
get the ip address of the mail server and therefore cant deliver the mail.

Greetings
Bernd

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Reply to:

References:
- Re: woody firewall broken?
  - From: Nick Busigin <nick@xwing.org>
- Re: woody firewall broken?
  - From: "Davi Leal" <david.leal@ene.es>
- Re: woody firewall broken?
  - From: Bernd Eckenfels <lists@lina.inka.de>
- Re: woody firewall broken?
  - From: "Davi Leal" <david.leal@ene.es>

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