Hello,
today I took a look into the logs of the OPEN VPN tool and there were so many ip adresses from china, Taiwan, USA.
Is that normal and what do they mean?
I am 100% percent sure that nobody was accessing my NAS.
The log files are full with stuff like these:
Code
Mon Jan 26 17:23:18 2015 TCP/UDP: Closing socket
Mon Jan 26 19:47:31 2015 Re-using SSL/TLS context
Mon Jan 26 19:47:31 2015 LZO compression initialized
Mon Jan 26 19:47:31 2015 Control Channel MTU parms [ L:1544 D:140 EF:40 EB:0 ET:0 EL:0 ]
Mon Jan 26 19:47:31 2015 Data Channel MTU parms [ L:1544 D:1450 EF:44 EB:135 ET:0 EL:0 AF:3/1 ]
Mon Jan 26 19:47:31 2015 Local Options hash (VER=V4): 'c0103fa8'
Mon Jan 26 19:47:31 2015 Expected Remote Options hash (VER=V4): '69109d17'
Mon Jan 26 19:47:31 2015 TCP connection established with [AF_INET]182.118.55.162:57472
Mon Jan 26 19:47:31 2015 TCPv4_SERVER link local: [undef]
Mon Jan 26 19:47:31 2015 TCPv4_SERVER link remote: [AF_INET]182.118.55.162:57472
Mon Jan 26 19:47:31 2015 182.118.55.162:57472 WARNING: Bad encapsulated packet length from peer (5635), which must be > 0 and <= 1544 -- 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...]
Mon Jan 26 19:47:31 2015 182.118.55.162:57472 Connection reset, restarting [0]
Mon Jan 26 19:47:31 2015 TCP/UDP: Closing socket
Mon Jan 26 19:58:28 2015 Re-using SSL/TLS context
Mon Jan 26 19:58:28 2015 LZO compression initialized
Mon Jan 26 19:58:28 2015 Control Channel MTU parms [ L:1544 D:140 EF:40 EB:0 ET:0 EL:0 ]
Mon Jan 26 19:58:28 2015 Data Channel MTU parms [ L:1544 D:1450 EF:44 EB:135 ET:0 EL:0 AF:3/1 ]
Mon Jan 26 19:58:28 2015 Local Options hash (VER=V4): 'c0103fa8'
Mon Jan 26 19:58:28 2015 Expected Remote Options hash (VER=V4): '69109d17'
Mon Jan 26 19:58:28 2015 TCP connection established with [AF_INET]188.231.219.34:65399
Mon Jan 26 19:58:28 2015 TCPv4_SERVER link local: [undef]
Mon Jan 26 19:58:28 2015 TCPv4_SERVER link remote: [AF_INET]188.231.219.34:65399
Mon Jan 26 19:58:28 2015 188.231.219.34:65399 WARNING: Bad encapsulated packet length from peer (57693), which must be > 0 and <= 1544 -- 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...]
Mon Jan 26 19:58:28 2015 188.231.219.34:65399 Connection reset, restarting [0]
Alles anzeigen