리눅스 dmesg 에러좀 봐주세요.

TCP: drop open request from 220.71.96.108/3741
TCP: drop open request from 220.71.96.108/3742
TCP: drop open request from 220.71.96.108/3743
TCP: drop open request from 220.71.96.108/3744
TCP: drop open request from 220.71.96.108/3745
TCP: drop open request from 220.71.96.108/3746
TCP: drop open request from 220.71.96.108/3747
TCP: drop open request from 220.71.96.108/3748
TCP: drop open request from 220.71.96.108/3749
TCP: drop open request from 220.71.96.108/3750
NET: 106 messages suppressed.
TCP: drop open request from 219.249.198.16/1900
TCP: drop open request from 219.249.198.16/1901
TCP: drop open request from 211.198.224.133/1225
TCP: drop open request from 211.198.224.133/1226
TCP: drop open request from 211.198.224.133/1227
TCP: drop open request from 211.198.224.133/1228
TCP: drop open request from 211.198.224.133/1229
TCP: drop open request from 211.198.224.133/1230
TCP: drop open request from 211.198.224.133/1231
TCP: drop open request from 211.198.224.133/1232
NET: 529 messages suppressed.