Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 19 Jun 2007 18:54:21 +0200 (CEST) | From | Jan Engelhardt <> | Subject | Re: How would I do this? (expert tricks) OT |
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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 ...
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