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From Mark Shifman <>
Subject Re: Can't access Tomcat from outside the LAN
Date Tue, 15 Sep 2009 14:23:32 GMT
You may have to fool with your firewall (or talk to you lan administrator).
I have a line for starting iptables that looks like this:

-A INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT

I suspect Ubuntu has some classy utility for modifying the firewal to allow 8080 or what
ever port Tomcat is using to get in.

Tom Eklöf wrote:
> I managed to set up Tomcat 6.0.20 on my Ubuntu Jaunty box, but I can't
> seem to access the server from outside my LAN. Port forwarding is
> working OK (tested with port scanner and by starting SSH on the port),
> and I can also access Tomcat from all computers on my LAN.
> I've tried poking around the documentation, but nothing seems to
> suggest that Tomcat would default to not accepting outside
> connections. I hope I'm not making a fool out of myself here, but I
> really could use some pointers (_not_ of the int* variety :P ) here.

 Mark Shifman MD. Ph.D.
 Yale Center for Medical Informatics
 Phone (203)737-5219

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