2020-02-06T05:45:17.888263  sshd[25499]: Invalid user cyz from 124.29.236.163 port 58820
2020-02-06T05:45:17.902661  sshd[25499]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.29.236.163
2020-02-06T05:45:17.888263  sshd[25499]: Invalid user cyz from 124.29.236.163 port 58820
2020-02-06T05:45:19.156554  sshd[25499]: Failed password for invalid user cyz from 124.29.236.163 port 58820 ssh2
2020-02-06T05:57:17.555615  sshd[25772]: Invalid user rjl from 124.29.236.163 port 32902
...

(From SimonNash966@hotmail.com) Hello,

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Simon Nash

2020-02-06T05:53:57.822744  sshd[25688]: Invalid user isg from 51.38.238.165 port 35770
2020-02-06T05:53:57.836347  sshd[25688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.238.165
2020-02-06T05:53:57.822744  sshd[25688]: Invalid user isg from 51.38.238.165 port 35770
2020-02-06T05:54:00.144168  sshd[25688]: Failed password for invalid user isg from 51.38.238.165 port 35770 ssh2
2020-02-06T05:57:09.758193  sshd[25762]: Invalid user ysy from 51.38.238.165 port 37208
...

Feb  6 05:56:28 grey postfix/smtpd\[27827\]: NOQUEUE: reject: RCPT from unknown\[213.142.151.9\]: 554 5.7.1 Service unavailable\; Client host \[213.142.151.9\] blocked using psbl.surriel.com\; Listed in PSBL, see http://psbl.org/listing\?ip=213.142.151.9\; from=\ to=\ proto=ESMTP helo=\
...

2020-02-06T00:02:38.850531vostok sshd\[6988\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.208  user=root | Triggered by Fail2Ban at Vostok web server

Feb  6 05:54:51 MK-Soft-VM4 sshd[7169]: Failed password for root from 46.101.88.10 port 14637 ssh2
...

Feb  6 05:05:46 zeus sshd[15012]: Failed password for root from 222.186.42.155 port 48933 ssh2
Feb  6 05:05:49 zeus sshd[15012]: Failed password for root from 222.186.42.155 port 48933 ssh2
Feb  6 05:05:52 zeus sshd[15012]: Failed password for root from 222.186.42.155 port 48933 ssh2
Feb  6 05:09:44 zeus sshd[15114]: Failed password for root from 222.186.42.155 port 32614 ssh2

Feb  6 06:24:21 debian-2gb-nbg1-2 kernel: \[3225906.740907\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.49.112 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=38663 PROTO=TCP SPT=42554 DPT=30091 WINDOW=1024 RES=0x00 SYN URGP=0

Server penetration trying other domain names than server publicly serves (ex https://localhost)

Feb  6 05:56:34 sso sshd[16819]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.130.225.131
Feb  6 05:56:36 sso sshd[16819]: Failed password for invalid user wit from 78.130.225.131 port 45810 ssh2
...

Feb  6 05:53:41 legacy sshd[20791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.169.137
Feb  6 05:53:42 legacy sshd[20791]: Failed password for invalid user bql from 159.89.169.137 port 55188 ssh2
Feb  6 05:57:17 legacy sshd[20995]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.169.137
...

Feb  6 06:09:26 legacy sshd[21841]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.10.228
Feb  6 06:09:29 legacy sshd[21841]: Failed password for invalid user aei from 129.211.10.228 port 11464 ssh2
Feb  6 06:13:29 legacy sshd[22079]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.10.228
...

IP blocked

Unauthorized connection attempt detected from IP address 124.156.245.155 to port 1311 [J]

Feb  6 06:23:15 plex sshd[14318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.168  user=root
Feb  6 06:23:16 plex sshd[14318]: Failed password for root from 218.92.0.168 port 33475 ssh2