Could someone help me understand what the system log is saying. I think an outside IP address is trying to connect to my router. I google the IP address 61.177.172.124 and it says it is from China. I couldn't find any info for the other IP address listed below.
May 5 10:05:54 dropbear[14069]: Child connection from 61.177.172.124:43711
May 5 10:05:55 dropbear[14069]: Exit before auth from <61.177.172.124:43711>: Disconnect received
May 5 10:20:14 dropbear[15733]: Child connection from 61.177.173.53:57800
May 5 10:20:15 dropbear[15733]: Exit before auth from <61.177.173.53:57800>: Disconnect received
May 5 10:22:09 dropbear[15959]: Child connection from 179.43.167.74:47104
May 5 10:22:09 dropbear[15959]: Exit before auth from <179.43.167.74:47104>: Exited normally
May 5 10:22:15 dropbear[15969]: Child connection from 179.43.167.74:39470
May 5 10:22:16 dropbear[15969]: Login attempt for nonexistent user
May 5 10:22:16 dropbear[15969]: Exit before auth from <179.43.167.74:39470>: Disconnect received
May 5 10:22:57 kernel: httpd (1256): drop_caches: 1
May 5 10:05:54 dropbear[14069]: Child connection from 61.177.172.124:43711
May 5 10:05:55 dropbear[14069]: Exit before auth from <61.177.172.124:43711>: Disconnect received
May 5 10:20:14 dropbear[15733]: Child connection from 61.177.173.53:57800
May 5 10:20:15 dropbear[15733]: Exit before auth from <61.177.173.53:57800>: Disconnect received
May 5 10:22:09 dropbear[15959]: Child connection from 179.43.167.74:47104
May 5 10:22:09 dropbear[15959]: Exit before auth from <179.43.167.74:47104>: Exited normally
May 5 10:22:15 dropbear[15969]: Child connection from 179.43.167.74:39470
May 5 10:22:16 dropbear[15969]: Login attempt for nonexistent user
May 5 10:22:16 dropbear[15969]: Exit before auth from <179.43.167.74:39470>: Disconnect received
May 5 10:22:57 kernel: httpd (1256): drop_caches: 1