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What does this error means? My client.conf file works in other clients like ubuntu. But in centos 5.7 client it is giving this error;

Thu Mar 22 23:20:49 2012 us=231847 UDPv4 WRITE [14] to xx.xx.xx.xx:1194: P_CONTROL_HARD_RESET_CLIENT_V2 kid=0 [ ] pid=0 DATA len=0
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Is there selinux enabled or any firewall ?? –  B14D3 Mar 22 '12 at 21:31
    
SELINUX=disabled and I removed iptables –  Baran Mar 22 '12 at 21:35
    
pasting logs from server would be helpful because now it's hard to tell what is wrong... but im considering that server has problem with comunicating with client –  B14D3 Mar 22 '12 at 21:47
    
Nothing happens on server side from this client –  Baran Mar 22 '12 at 21:49
    
can you ping server from client ? –  B14D3 Mar 22 '12 at 22:14
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up vote 2 down vote accepted

It sounds like the packet is being rejected, either by a local firewall or a firewall which responds with an ICMP Destination Unreachable message. Try sending a UDP packet to your VPN server on port 1194 with something like nc -v -u vpn.example.com 1194, or run tcpdump to see what response is being received.

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Thanks. I can see all the traffic and I can check which ports that it can connect. –  Baran Mar 27 '12 at 23:54
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