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Old 02-01-2005, 08:52 PM   #1
gongli
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Registered: Apr 2003
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iptable reject non ssh from ethernet card?


hi

i was wondering if anyone can tell me the proper way in debian testing 2.6 to write a simple iptable configuration which would cause any traffic from the ethernet card to any port other than 22 to "disappear." i dont know iptables, and i dont know where in the debian startup scripts this would go. im using the cryptographic filesystem package which exports / to localhost and i dont want any such thing (nor other services which appear, including printer/daytime/discard and other things) to be visible from the other side of my ethernet card; however i would like it to be visible for locally generated traffic.

thanks a lot
-gong
 
Old 02-02-2005, 10:43 AM   #2
peter_robb
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Registered: Feb 2002
Location: Szczecin, Poland
Distribution: Gentoo, Debian
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Have a read of this big tutorial.. http://iptables-tutorial.frozentux.n...-tutorial.html

There are scripts at the end you can "massage"..
 
  


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