Hi Folks,
I am running 2 OpenVPN Server and getting those messages in syslog with regards to Server 2 although I have not been using it (I mean I did not connect to it) : any ideas ?
(RT-AC87U with 384.13_1)
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49188 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1626 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attempting restart...]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49188 Connection reset, restarting [0]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49188 SIGUSR1[soft,connection-reset] received, client-instance restarting
Nov 19 14:02:38 ovpn-server2[6368]: TCP connection established with [AF_INET6]::ffff:37.49.230.9:49223
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49223 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1626 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attempting restart...]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49223 Connection reset, restarting [0]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49223 SIGUSR1[soft,connection-reset] received, client-instance restarting
Nov 19 19:08:18 ovpn-server2[6368]: TCP connection established with [AF_INET6]::ffff:92.118.160.57:64983
Nov 19 19:08:20 ovpn-server2[6368]: 92.118.160.57:64983 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1626 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attempting restart...]
Thanks,
GS
I am running 2 OpenVPN Server and getting those messages in syslog with regards to Server 2 although I have not been using it (I mean I did not connect to it) : any ideas ?
(RT-AC87U with 384.13_1)
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49188 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1626 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attempting restart...]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49188 Connection reset, restarting [0]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49188 SIGUSR1[soft,connection-reset] received, client-instance restarting
Nov 19 14:02:38 ovpn-server2[6368]: TCP connection established with [AF_INET6]::ffff:37.49.230.9:49223
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49223 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1626 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attempting restart...]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49223 Connection reset, restarting [0]
Nov 19 14:02:38 ovpn-server2[6368]: 37.49.230.9:49223 SIGUSR1[soft,connection-reset] received, client-instance restarting
Nov 19 19:08:18 ovpn-server2[6368]: TCP connection established with [AF_INET6]::ffff:92.118.160.57:64983
Nov 19 19:08:20 ovpn-server2[6368]: 92.118.160.57:64983 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1626 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link -- [Attempting restart...]
Thanks,
GS