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From: Marc Perkel <mperkel@yahoo.com>
To: Jan Engelhardt <jengelh@computergmbh.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How would I do this? (expert tricks) OT
Date: Tue, 19 Jun 2007 10:14:36 -0700 (PDT)	[thread overview]
Message-ID: <256797.88744.qm@web52504.mail.re2.yahoo.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0706191852360.5731@fbirervta.pbzchgretzou.qr>


--- Jan Engelhardt <jengelh@computergmbh.de> wrote:

> 
> On Jun 19 2007 09:48, Marc Perkel wrote:
> >
> >I have a server with port 25 closed. I was to be
> able
> >to run a script every time someone tries to connect
> to
> >port 25, but from the outside the port remains
> closed.
> >I need the script that I'm going to run get the IP
> >address that tried to connect.
> >
> >I know it's off topic but it's part of an
> experiment
> >to stop spam. 
> 
> tcpdump -lni any port 25
> iptables -p tcp --dport 25 -j NFQUEUE
> ...
> 

Thanks Jan, but I'm not sure it answers my question. I
want to run a script every time a connection attempt
is made in real time with the IP address as a
parameter to the script. How would I do that? Suppose
my script is:

iplog <ipaddress>




       
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  reply	other threads:[~2007-06-19 17:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-19 16:48 Marc Perkel
2007-06-19 16:54 ` Jan Engelhardt
2007-06-19 17:14   ` Marc Perkel [this message]
2007-06-19 17:28     ` Jan Engelhardt
2007-06-19 19:36       ` Marc Perkel
2007-06-19 19:37         ` Jan Engelhardt
2007-06-27 20:02 ` Bill Davidsen

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