[CentOS] Curious behaviour of openvpn

Ben Damon bdamon at gmail.com
Fri Nov 6 14:22:42 UTC 2009

This happened to me after updating to 5.4 as well. Except mine have
not come back. My OpenVPN configuration has been used for a couple

This is what I am seeing in the log.

TLS Error: TLS key negotiation failed to occur within 60 seconds
(check your network connectivity)
TLS Error: TLS handshake failed

> I noticed that when I went over to CentOS-5.4
> on my server (and re-booted),
> my openvpn connections failed for a couple of hours,
> and then came back.
> Has anyone noticed this?
> What puzzled me was that the tun0 interface
> was present on all machines (according to ifconfig)
> but the connections seemed to be lost.

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