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vpn client

Posted on 2004-04-19
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Last Modified: 2013-11-16
hi

 i am in a process of building a gateway firewall using openbsd 3.4, i think eveything works fine except , one of my internal machine (win2k) installed with netscreen vpn client. I have tried to connect the vpn server through my openbsd gateway firewall. i m able to login to the vpn server. After the when i tried to connect remote server through vpn connection, its saying that machine is not available there.

Shaju M.C
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Question by:shajumc
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Expert Comment

by:efryer
ID: 10867729
There is not a lot of information to go on, but by the sounds of it, you believe that you have established a VPN Correctly.

If this is the case, the fact that you cannot connect to the server could be a number of things. You don't tell us how you connect to the server, are you referring to Windows connectivity, or are you talking about pinging the server.

One of the first tests anyway is to confirm that you can ping the server using an IP address (not a DNS name). If the ping does not respond, then it could be that a gateway address may not be set on the Server. This is a common occurence, especially where a flat network is involved. If it doesn't know where to go to route back a ping it will fail.

That's all I can provide at the moment without further information

Regards

Bob
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dschwartzer earned 50 total points
ID: 11044551
If your VPN client is IPSec based, make sure it can pass NAT. Besides, maybe it succeeds in key exchange (IKE/ISAKMP = UDP or TCP port 500), but fail during encryption - because the port is not opened. Standard IPsec is IP protocol 50 (not even TCP or UDP). It Netsrceen support 'UDP encapsulation', check to see which port is filtered.

HTH,
d
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