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[Openvpn-users] strange connection problem


  • Subject: [Openvpn-users] strange connection problem
  • From: opvpn@xxxxxxxxxxxx
  • Date: Thu, 24 Jan 2008 12:30:54 +0100

		Hello,

	I have a very strange problem and need confirmation of the solving idea 
or another one.

	I have one user with an openvpn configuration that works fine when the 
user connect from Austria, France, Slovakia and so on.
	But last week, he goes to Ukraine and the openvpn doesn't work, the log 
on the server said :

Wed Jan 16 09:28:41 2008 us=897519 194.187.31.54:13002 TLS: Initial 
packet from 194.187.31.54:13002, sid=c8ef778c de50a23c
Wed Jan 16 09:29:41 2008 us=588371 194.187.31.54:13002 TLS Error: TLS 
key negotiation failed to occur within 60 seconds (check your network 
connectivity)
Wed Jan 16 09:29:41 2008 us=588402 194.187.31.54:13002 TLS Error: TLS 
handshake failed

	I mean that the VPN client manage to connect to the openvpn server, the 
server start the TLS negociation but this packet doesn't arrive on the 
client. Is it right ?

	And after, why ? Does a MTU "problem" can have this behaviour ? 
(because I have problem with another country but, the behaviour was 
different : the VPN is ok, the user can ping the server but can connect 
on it. and I solve the problem with changing the MTU of the tunnel).
	(Just to confirm my idea because now I can't make some tests).

	David.

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