TLS key negotiation failed to occur within 60 seconds
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I have been setup OpenVPN on pfsense 2.0.3，create a client account, export to a windows 7 32bit machine.
some times win7's openvpn client failed to connect to the pfsense-2.0.3，the client's log message:
Mon Jun 17 13:13:48 2013 IMPORTANT: OpenVPN's default port number is now 1194, based on an official port number assignment by IANA. OpenVPN 2.0-beta16 and earlier used 5000 as the default port.
Mon Jun 17 13:13:48 2013 WARNING: Make sure you understand the semantics of –tls-remote before using it (see the man page).
Mon Jun 17 13:13:48 2013 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Mon Jun 17 13:13:48 2013 Re-using SSL/TLS context
Mon Jun 17 13:13:48 2013 UDPv4 link local (bound): [undef]:1194
Mon Jun 17 13:13:48 2013 UDPv4 link remote: 112.112.112.112:1194
Mon Jun 17 13:14:48 2013 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
Mon Jun 17 13:14:48 2013 TLS Error: TLS handshake failed
Mon Jun 17 13:14:48 2013 SIGUSR1[soft,tls-error] received, process restartingthe pfsense's log messages
Jun 17 13:14:48 openvpn[6345]: 10.10.10.10:6278 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
Jun 17 13:14:48 openvpn[6345]: 10.10.10.10:6278 TLS Error: TLS handshake failed
Jun 17 13:14:48 openvpn[6345]: 10.10.10.10:6278 Re-using SSL/TLS context
Jun 17 13:14:48 openvpn[6345]: 10.10.10.10:6278 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
Jun 17 13:14:48 openvpn[6345]: 10.10.10.10:6278 TLS Error: TLS handshake failedthe openvpn official website suggest to check out the firewall's rules, but I am sure that there's no mistake about ruleset. and my win7 client could connect to pfsense last night.
any suggestion?