sshのポート変えてあるのに・・・
ボットが辞書攻撃してきたので乗せてみる。
日本人に的を絞ってアタックしていると思う。
Sep 20 18:23:45 host sshd[880]: Invalid user sales from 61.185.80.76
Sep 20 18:23:46 host sshd[882]: Invalid user sales from 61.185.80.76
Sep 20 18:23:47 host sshd[884]: Invalid user sales from 61.185.80.76
Sep 20 18:23:49 host sshd[888]: Invalid user nakamura from 61.185.80.76
Sep 20 18:23:50 host sshd[890]: Invalid user nakamura from 61.185.80.76
Sep 20 18:23:52 host sshd[892]: Invalid user nakamura from 61.185.80.76
Sep 20 18:23:53 host sshd[894]: Invalid user admin from 61.185.80.76
Sep 20 18:23:54 host sshd[896]: Invalid user nomura from 61.185.80.76
Sep 20 18:23:55 host sshd[898]: Invalid user osano from 61.185.80.76
Sep 20 18:23:56 host sshd[900]: Invalid user nomura from 61.185.80.76
Sep 20 18:23:57 host sshd[902]: Invalid user nomura from 61.185.80.76
Sep 20 18:23:59 host sshd[904]: Invalid user osano from 61.185.80.76
Sep 20 18:24:00 host sshd[906]: Invalid user osano from 61.185.80.76
Sep 20 18:24:01 host sshd[908]: Invalid user osano from 61.185.80.76
Sep 20 18:24:02 host sshd[910]: Invalid user t_support from 61.185.80.76
Sep 20 18:24:03 host sshd[912]: Invalid user t_support from 61.185.80.76
Sep 20 18:24:04 host sshd[914]: Invalid user prmnumazu from 61.185.80.76
Sep 20 18:24:05 host sshd[916]: Invalid user prmnumazu from 61.185.80.76
Sep 20 18:24:06 host sshd[918]: Invalid user prmnumazu from 61.185.80.76
Sep 20 18:24:11 host sshd[922]: Invalid user sampson from 61.185.80.76
Sep 20 18:24:13 host sshd[924]: Invalid user sampson from 61.185.80.76
Sep 20 18:24:14 host sshd[926]: Invalid user postgres from 61.185.80.76
Sep 20 18:24:18 host sshd[934]: Invalid user vmware from 61.185.80.76
Sep 20 18:24:19 host sshd[936]: Invalid user doris from 61.185.80.76
Sep 20 18:24:20 host sshd[938]: Invalid user dino from 61.185.80.76
Sep 20 18:24:24 host sshd[940]: Invalid user shing from 61.185.80.76
Sep 20 18:24:27 host sshd[944]: Invalid user william from 61.185.80.76
Sep 20 18:24:28 host sshd[946]: Invalid user michael from 61.185.80.76
Sep 20 18:24:29 host sshd[948]: Invalid user charlie from 61.185.80.76
Sep 20 18:24:30 host sshd[950]: Invalid user faxadmin from 61.185.80.76
Sep 20 18:24:31 host sshd[952]: Invalid user faxadmin from 61.185.80.76
Sep 20 18:24:32 host sshd[954]: Invalid user alice from 61.185.80.76
Sep 20 18:24:33 host sshd[956]: Invalid user gekiyasu10000 from 61.185.80.76
Sep 20 18:24:34 host sshd[958]: Invalid user linkshsc from 61.185.80.76
Sep 20 18:24:35 host sshd[960]: Invalid user test.bnz from 61.185.80.76
Sep 20 18:24:37 host sshd[962]: Invalid user ktakeda from 61.185.80.76
Sep 20 18:24:38 host sshd[964]: Invalid user wdsmail from 61.185.80.76
Sep 20 18:24:39 host sshd[966]: Invalid user i-shagazo from 61.185.80.76
Sep 20 18:24:40 host sshd[968]: Invalid user i-omizu from 61.185.80.76
Sep 20 18:24:41 host sshd[970]: Invalid user hayashi from 61.185.80.76
Sep 20 18:24:42 host sshd[972]: Invalid user info from 61.185.80.76
Sep 20 18:24:44 host sshd[976]: Invalid user seisen_ri from 61.185.80.76
Sep 20 18:24:47 host sshd[980]: Invalid user kazuhiro_hitomi from
61.185.80.76
Sep 22 03:09:39 host sshd[5828]: Invalid user weihu from 134.255.233.120
Sep 22 03:09:41 host sshd[5830]: Invalid user smcorau from 134.255.233.120
Sep 22 03:09:43 host sshd[5832]: Invalid user virtual from 134.255.233.120
Sep 22 03:09:45 host sshd[5834]: Invalid user nin from 134.255.233.120
Sep 22 03:09:47 host sshd[5836]: Invalid user ijuin from 134.255.233.120
Sep 22 03:09:49 host sshd[5838]: Invalid user ito from 134.255.233.120
Sep 22 03:09:52 host sshd[5840]: Invalid user inamura from 134.255.233.120
Sep 22 03:09:54 host sshd[5842]: Invalid user uotani from 134.255.233.120
Sep 22 03:09:56 host sshd[5844]: Invalid user eigyo from 134.255.233.120
Sep 22 03:09:58 host sshd[5846]: Invalid user ozawa from 134.255.233.120
Sep 22 03:10:00 host sshd[5848]: Invalid user kisei from 134.255.233.120
Sep 22 03:10:04 host sshd[5852]: Invalid user nikaya from 134.255.233.120
Sep 22 03:10:06 host sshd[5854]: Invalid user kuroyama from 134.255.233.120
Sep 22 03:10:08 host sshd[5856]: Invalid user komiyama from 134.255.233.120
Sep 22 03:10:10 host sshd[5858]: Invalid user saitou from 134.255.233.120
Sep 22 03:10:12 host sshd[5860]: Invalid user sakai from 134.255.233.120
Sep 22 03:10:14 host sshd[5862]: Invalid user sato from 134.255.233.120
Sep 22 03:10:16 host sshd[5864]: Invalid user shirai from 134.255.233.120
Sep 22 03:10:18 host sshd[5866]: Invalid user sugihara from 134.255.233.120
Sep 22 03:10:21 host sshd[5868]: Invalid user senmu from 134.255.233.120
Sep 22 03:10:23 host sshd[5870]: Invalid user ssugimoto from 134.255.233.120
Sep 22 03:10:25 host sshd[5872]: Invalid user sugimoto from 134.255.233.120
Sep 22 03:10:27 host sshd[5874]: Invalid user takahashi from 134.255.233.120
Sep 22 03:10:29 host sshd[5876]: Invalid user takemura from 134.255.233.120
Sep 22 03:10:31 host sshd[5878]: Invalid user tsukamoto from 134.255.233.120
Sep 22 03:10:33 host sshd[5880]: Invalid user store from 134.255.233.120
Sep 22 03:10:35 host sshd[5882]: Invalid user fujikura from 134.255.233.120
Sep 22 03:10:37 host sshd[5884]: Invalid user fujita from 134.255.233.120
Sep 22 03:10:39 host sshd[5886]: Invalid user fujimoto from 134.255.233.120
Sep 22 03:10:42 host sshd[5888]: Invalid user hoshino from 134.255.233.120
Sep 22 03:10:44 host sshd[5890]: Invalid user hosono from 134.255.233.120
Sep 22 03:10:46 host sshd[5892]: Invalid user miyazawa from 134.255.233.120
Sep 22 03:10:48 host sshd[5894]: Invalid user kmorita from 134.255.233.120
Sep 22 03:10:50 host sshd[5896]: Invalid user moriken from 134.255.233.120
Sep 22 03:10:52 host sshd[5898]: Invalid user yasui from 134.255.233.120
Sep 22 03:10:54 host sshd[5900]: Invalid user yabe from 134.255.233.120
Sep 22 03:10:56 host sshd[5902]: Invalid user yamada from 134.255.233.120
Sep 22 03:10:58 host sshd[5904]: Invalid user wakatsuki from 134.255.233.120
Sep 22 03:11:00 host sshd[5906]: Invalid user nishino from 134.255.233.120
Sep 22 03:11:03 host sshd[5908]: Invalid user nsystem from 134.255.233.120
Sep 22 03:11:05 host sshd[5922]: Invalid user readmin from 134.255.233.120
Sep 22 03:11:07 host sshd[5924]: Invalid user system from 134.255.233.120
Sep 22 03:11:09 host sshd[5926]: Invalid user nikaya_system from
134.255.233.120
Sep 22 03:11:11 host sshd[5928]: Invalid user mms from 134.255.233.120
Sep 22 03:11:13 host sshd[5930]: Invalid user datagw from 134.255.233.120
Sep 22 03:11:16 host sshd[5932]: Invalid user froute from 134.255.233.120
Sep 22 03:11:18 host sshd[5934]: Invalid user fhstp from 134.255.233.120
Sep 22 03:11:20 host sshd[5936]: Invalid user zstar from 134.255.233.120
Sep 22 03:11:22 host sshd[5938]: Invalid user uniweb from 134.255.233.120
Sep 22 03:11:24 host sshd[5940]: Invalid user anydo from 134.255.233.120
Sep 22 03:11:26 host sshd[5942]: Invalid user uitko from 134.255.233.120
Sep 22 03:11:28 host sshd[5944]: Invalid user deploy from 134.255.233.120
Sep 22 03:11:30 host sshd[5946]: Invalid user ari from 134.255.233.120
Sep 22 03:11:32 host sshd[5948]: Invalid user sia from 134.255.233.120
Sep 22 03:11:34 host sshd[5950]: Invalid user weihu from 134.255.233.120
Sep 22 03:11:37 host sshd[5952]: Invalid user smcorau from 134.255.233.120
Sep 22 03:11:39 host sshd[5954]: Invalid user virtual from 134.255.233.120
Sep 22 03:11:41 host sshd[5956]: Invalid user nin from 134.255.233.120
Sep 22 03:11:43 host sshd[5958]: Invalid user ijuin from 134.255.233.120
Sep 22 03:11:45 host sshd[5960]: Invalid user ito from 134.255.233.120
Sep 22 03:11:47 host sshd[5962]: Invalid user inamura from 134.255.233.120
Sep 22 03:11:49 host sshd[5964]: Invalid user uotani from 134.255.233.120
Sep 22 03:11:51 host sshd[5966]: Invalid user eigyo from 134.255.233.120
Sep 22 03:11:54 host sshd[5968]: Invalid user ozawa from 134.255.233.120
Sep 22 03:11:56 host sshd[5970]: Invalid user kisei from 134.255.233.120
Sep 22 03:11:58 host sshd[5972]: Invalid user nikaya from 134.255.233.120
Sep 22 03:12:00 host sshd[5974]: Invalid user kuroyama from 134.255.233.120
Sep 22 03:12:02 host sshd[5976]: Invalid user komiyama from 134.255.233.120
Sep 22 03:12:04 host sshd[5978]: Invalid user saitou from 134.255.233.120
Sep 22 03:12:07 host sshd[5980]: Invalid user sakai from 134.255.233.120
Sep 22 03:12:09 host sshd[5982]: Invalid user sato from 134.255.233.120
Sep 22 03:12:11 host sshd[5984]: Invalid user shirai from 134.255.233.120
Sep 22 03:12:13 host sshd[5986]: Invalid user sugihara from 134.255.233.120
Sep 22 03:12:15 host sshd[5988]: Invalid user senmu from 134.255.233.120
Sep 22 03:12:17 host sshd[5990]: Invalid user ssugimoto from 134.255.233.120
Sep 22 03:12:19 host sshd[5992]: Invalid user sugimoto from 134.255.233.120
Sep 22 03:12:21 host sshd[5994]: Invalid user takahashi from 134.255.233.120
Sep 22 03:12:23 host sshd[5996]: Invalid user takemura from 134.255.233.120
Sep 22 03:12:26 host sshd[5998]: Invalid user tsukamoto from 134.255.233.120
Sep 22 03:12:28 host sshd[6000]: Invalid user store from 134.255.233.120
Sep 22 03:12:30 host sshd[6002]: Invalid user fujikura from 134.255.233.120
Sep 22 03:12:32 host sshd[6004]: Invalid user fujita from 134.255.233.120
Sep 22 03:12:34 host sshd[6006]: Invalid user fujimoto from 134.255.233.120
Sep 22 03:12:36 host sshd[6008]: Invalid user hoshino from 134.255.233.120
Sep 22 03:12:38 host sshd[6010]: Invalid user hosono from 134.255.233.120
Sep 22 03:12:40 host sshd[6012]: Invalid user miyazawa from 134.255.233.120
Sep 22 03:12:42 host sshd[6014]: Invalid user kmorita from 134.255.233.120
Sep 22 03:12:44 host sshd[6016]: Invalid user moriken from 134.255.233.120
Sep 22 03:12:46 host sshd[6018]: Invalid user yasui from 134.255.233.120
Sep 22 03:12:48 host sshd[6020]: Invalid user yabe from 134.255.233.120
Sep 22 03:12:51 host sshd[6022]: Invalid user yamada from 134.255.233.120
Sep 22 03:12:53 host sshd[6024]: Invalid user wakatsuki from 134.255.233.120
Sep 22 03:12:55 host sshd[6026]: Invalid user nishino from 134.255.233.120
Sep 22 03:12:57 host sshd[6028]: Invalid user nsystem from 134.255.233.120
Sep 22 03:12:59 host sshd[6032]: Invalid user readmin from 134.255.233.120
Sep 22 03:13:01 host sshd[6034]: Invalid user system from 134.255.233.120
Sep 22 03:13:03 host sshd[6036]: Invalid user nikaya_system from
134.255.233.120
Sep 22 03:13:05 host sshd[6038]: Invalid user mms from 134.255.233.120
Sep 22 03:13:07 host sshd[6040]: Invalid user datagw from 134.255.233.120
Sep 22 03:13:09 host sshd[6042]: Invalid user froute from 134.255.233.120
Sep 22 03:13:11 host sshd[6044]: Invalid user fhstp from 134.255.233.120
Sep 22 03:13:14 host sshd[6046]: Invalid user zstar from 134.255.233.120
Sep 22 03:13:16 host sshd[6048]: Invalid user uniweb from 134.255.233.120
Sep 22 03:13:18 host sshd[6050]: Invalid user anydo from 134.255.233.120
Sep 22 03:13:20 host sshd[6052]: Invalid user uitko from 134.255.233.120
Sep 22 03:13:22 host sshd[6054]: Invalid user deploy from 134.255.233.120
Sep 22 03:13:24 host sshd[6056]: Invalid user ari from 134.255.233.120
Sep 22 03:13:26 host sshd[6058]: Invalid user sia from 134.255.233.12
denyhostsが簡単に導入できそうなので試してみる。