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Re: [Openvpn-users] Some clients work, some don't (redux)


  • Subject: Re: [Openvpn-users] Some clients work, some don't (redux)
  • From: James Yonan <jim@xxxxxxxxx>
  • Date: Mon, 24 Oct 2005 13:32:47 -0600 (MDT)

On Mon, 24 Oct 2005, Mike Preston wrote:

> I have a number of configurations I'm trying to implement.  Some 
> work, some don't. 
> 
> The ones that don't work all display the same symptoms: 
> 
> On the server, the log shows three lines, consistently, that indicate 
> handshaking is not taking place from any of the machines that are 
> not working: 
> 
> TLS: Initial packet from www.www.www.www:xxxx, sid=y z TLS 
> Error: TLS key negotiation failed to occur within 60 seconds (check 
> your network connectivity) TLS Error: TLS handshake failed 

This usually indicates a one-way UDP data path.  Data can flow from client 
-> server but not server -> client.

Check for firewalls, packet filters, or NAT misconfigurations on the 
client side of the network.

James


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