From owner-freebsd-questions  Fri Jul 13  9: 8:20 2001
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Date: Fri, 13 Jul 2001 17:05:01 +0100
From: Paul Branston <apbran@rannoch.demon.co.uk>
To: Wayne Pascoe <wayne.pascoe@realtime.co.uk>
Cc: freebsd-questions@freebsd.org
Subject: Re: delay in connecting to port 25
Message-ID: <20010713170501.K28733@rannoch.demon.co.uk>
References: <86sng03k2n.fsf@pan.ehsrealtime.com>
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In-Reply-To: <86sng03k2n.fsf@pan.ehsrealtime.com>; from wayne.pascoe@realtime.co.uk on Fri, Jul 13, 2001 at 04:49:52PM +0100
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On Fri, Jul 13, 2001 at 04:49:52PM +0100, Wayne Pascoe wrote:
> Hi all,
> 
> I'm running exim from a script in /usr/local/etc/rc.d and it is
> listening on port 25.
> 
> When trying to connect to port 25 on that machine, I get the
> following...
> 
> Trying 213.x.x.x...
> Connected to services.realtime.co.uk.
> Escape character is '^]'.
> 
> It sits like this for about 34 seconds and then I get 
> 220 mail.myserver.com ESMTP Exim 3.22 #1 Fri, 13 Jul 2001 16:51:10 +0100
> 
> What could be causing this? Telnet to port 113 on the machine gives me
> 
> telnet: connect to address 213.x.x.x: Connection refused
> telnet: Unable to connect to remote host
> 
> instantly, so it's not sitting dropping packets at the firewall for
> auth or anything like that.... ?
> 
> TIA,
> 

Is it trying to do a reverse DNS lookup on the box which is
connecting to it ? The timeouts are long for DNS.

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