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Old 07-19-2004, 02:20 PM   #1
LJ151
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Registered: Jul 2004
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Poptop server cannot access internal network


I have been banging my head against the wall for about 2 weeks and have searched high and low for an answer to the problem that I seem to be having. I have poptop installed on a debian box and it works perfectly. Except I am unable to access anything beyond the server itself. I have this same configuration setup at three other sites and the same problem exists at all of them. I can create the connection and get connected with no prob but cannot do anything. I am not familiar with ipchains or iptables however I am not sure if that is even what i need to be looking at right now because the linux boxes themselves are not routers, they are behind a router which has the correct ports already forwarded-which is why i am able to make the actual vpn connection. If someone could actually pinpoint why this isnt working I would be so relieved and appreciative. I have tried almost everything that could find to try and I am at a total loss at this point. Thanks in advance.
 
Old 07-20-2004, 11:25 AM   #2
LJ151
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well I am still having this problem, although now I think that it is a routing problem of some sort. If anyone has any suggestions they would be very helpful I am practically at a total loss at this point.
 
Old 08-04-2004, 11:10 PM   #3
nsukharev
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This is what helped me:

http://sourceforge.net/mailarchive/f...&forum_id=8250

you might need to execute this command:
echo 1 > /proc/sys/net/ipv4/ip_forward

I wish they have it in the FAQ - I spent about 4 hours looking for that.
 
Old 08-05-2004, 08:55 AM   #4
LJ151
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Well I have tried issuing that command many times and it does not seem to make a difference. However I built a slackware 10 box and during the installation when it asks which packages you want installed there is an option to install a package called ip_forward. I installed it and poptop worked perfectly on the first try. I cannot find a comparable package to install on the Debian server that I have however. If anybody knows of a Debian ip_forward package it sure would help!!
 
  


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