Re: How would I do this? (expert tricks) OT

From: Jan Engelhardt
Date: Tue Jun 19 2007 - 12:54:31 EST



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
...



Jan
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