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Everytime my router connect to internet I am finding in my router's firewall log intrusion warnings. Could you please explain what it means? Is it actually someone hacking my router or is that connection dropped by the router?
e.g.
Mar 11 14:15:11 kernel warning kernel: [fwlog] Intrusion -> SRC=85.102.133.241 DST=109.78.126.234
Here is my router firewall full log
Mar 8 16:20:01 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.22 DST=109.78.153.90.
Mar 8 16:20:09 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.64 DST=109.78.153.90.
Mar 8 16:20:09 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.160 DST=109.78.153.90.
Mar 8 16:20:20 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:20:20 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:20:27 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:20:29 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.64 DST=109.78.153.90.
Mar 8 16:20:34 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:20:42 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:20:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:20:49 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.47 DST=109.78.153.90.
Mar 8 16:20:54 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:20:59 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:21:04 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.47 DST=109.78.153.90.
Mar 8 16:21:10 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:21:19 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:21:19 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:21:26 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:21:30 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:21:52 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.47 DST=109.78.153.90.
Mar 8 16:21:54 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:21:55 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:21:56 kernel warning kernel: [fwlog] Tcp port scan,SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:21:58 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:21:59 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.39 DST=109.78.153.90.
Mar 8 16:22:10 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.229.249.228 DST=109.78.153.90.
Mar 8 16:22:20 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.47 DST=109.78.153.90.
Mar 8 16:22:20 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.47 DST=109.78.153.90.
Mar 8 16:22:30 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:22:30 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:22:30 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:22:37 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:22:39 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.195.129.21 DST=109.78.153.90.
Mar 8 16:22:51 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.67.17 DST=109.78.153.90.
Mar 8 16:22:51 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.67.17 DST=109.78.153.90.
Mar 8 16:22:54 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.67.17 DST=109.78.153.90.
Mar 8 16:22:59 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.67.17 DST=109.78.153.90.
Mar 8 16:24:36 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:37 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:37 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:39 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:43 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:43 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:51 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:24:55 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:25:07 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:25:19 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:25:35 kernel warning kernel: [fwlog] Intrusion -> SRC=2.51.192.149 DST=109.78.153.90
Mar 8 16:25:39 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:25:44 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:45 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:47 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:52 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:52 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:25:53 kernel warning kernel: [fwlog] Tcp port scan, SRC=144.76.139.143 DST=109.78.153.90.
Mar 8 16:26:07 kernel warning kernel: [fwlog] Tcp port scan, SRC=92.123.72.206 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:56 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:57 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:57 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:26:57 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:27:03 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:27:11 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:27:11 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:27:16 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.35.30 DST=109.78.153.90.
Mar 8 16:27:24 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.35.30 DST=109.78.153.90.
Mar 8 16:27:27 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:27:37 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.35.30 DST=109.78.153.90.
Mar 8 16:27:39 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.35.30 DST=109.78.153.90.
Mar 8 16:27:45 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.35.30 DST=109.78.153.90.
Mar 8 16:27:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=54.220.35.30 DST=109.78.153.90.
Mar 8 16:27:59 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:27:59 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:01 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:32 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:32 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:32 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:32 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:32 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:32 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:39 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=141.101.113.133 DST=109.78.153.90.
Mar 8 16:28:48 kernel warning kernel: [fwlog] Tcp port scan, SRCMar 11 14:10:52 kernel: [fwlog] Intrusion -> SRC=88.165.119.13 DST=109.78.126.234
Mar 11 14:15:11 kernel warning kernel: [fwlog] Intrusion -> SRC=85.102.133.241 DST=109.78.126.234
Mar 11 14:16:45 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:45 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:45 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:45 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:46 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:52 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:16:55 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:00 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:06 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:16 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:16 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:48 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:49 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:49 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:52 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:17:58 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:18:10 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:18:11 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
Mar 11 14:18:11 kernel warning kernel: [fwlog] Tcp port scan, SRC=66.196.65.112 DST=109.78.126.234.
This is no harm as well: Mar 11 14:15:11 kernel warning kernel: [fwlog] Intrusion -> SRC=85.102.133.241 DST=109.78.126.234? – lunar – 2014-03-11T14:51:51.447
It is next to impossible to say what the developer meant when this message was programmed. Still, NAT cannot be circumvented from the outside. Just relax and get some tea. :) – Daniel B – 2014-03-11T15:01:41.043