Nov  1 01:56:51 firewall sshd[11123]: Invalid user qweasdpl!! from 159.65.112.93
Nov  1 01:56:52 firewall sshd[11123]: Failed password for invalid user qweasdpl!! from 159.65.112.93 port 54892 ssh2
Nov  1 02:00:28 firewall sshd[11232]: Invalid user madssen from 159.65.112.93
...

Nov  1 04:55:57 [munged] sshd[4928]: Failed password for root from 80.88.90.86 port 33762 ssh2

Nov  1 05:01:59 cvbnet sshd[17246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.35.57.214 
Nov  1 05:02:01 cvbnet sshd[17246]: Failed password for invalid user idc!@#$%ASDFG from 89.35.57.214 port 39880 ssh2
...

Triggered by Fail2Ban at Vostok web server

Nov  1 06:07:51 legacy sshd[9582]: Failed password for root from 222.186.173.215 port 58192 ssh2
Nov  1 06:08:08 legacy sshd[9582]: error: maximum authentication attempts exceeded for root from 222.186.173.215 port 58192 ssh2 [preauth]
Nov  1 06:08:19 legacy sshd[9602]: Failed password for root from 222.186.173.215 port 37988 ssh2
...

2019-10-28T23:51:52.072324static.108.197.76.144.clients.your-server.de sshd[17481]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.168.220.187  user=r.r
2019-10-28T23:51:54.065849static.108.197.76.144.clients.your-server.de sshd[17481]: Failed password for r.r from 104.168.220.187 port 48944 ssh2
2019-10-28T23:55:43.716591static.108.197.76.144.clients.your-server.de sshd[17888]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.168.220.187  user=r.r
2019-10-28T23:55:45.755408static.108.197.76.144.clients.your-server.de sshd[17888]: Failed password for r.r from 104.168.220.187 port 34422 ssh2
2019-10-28T23:59:35.094080static.108.197.76.144.clients.your-server.de sshd[18202]: Invalid user aery from 104.168.220.187
2019-10-28T23:59:35.096316static.108.197.76.144.clients.your-server.de sshd[18202]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.........
------------------------------

60001/tcp 23/tcp 23/tcp
[2019-10-20/11-01]3pkt

2019-11-01T04:56:07.881425stark.klein-stark.info postfix/smtpd\[2733\]: NOQUEUE: reject: RCPT from smtp4.hpmail.revohost.hu\[185.187.75.57\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
...

21/tcp 21/tcp 21/tcp...
[2019-09-05/10-31]16pkt,1pt.(tcp)

\[2019-11-01 00:36:41\] NOTICE\[2601\] chan_sip.c: Registration from '"101" \' failed for '45.143.220.16:5310' - Wrong password
\[2019-11-01 00:36:41\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-01T00:36:41.222-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="101",SessionID="0x7fdf2c62c4c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.16/5310",Challenge="62a6c066",ReceivedChallenge="62a6c066",ReceivedHash="e8abc01253b0ab7bac0b0166473ff22c"
\[2019-11-01 00:36:41\] NOTICE\[2601\] chan_sip.c: Registration from '"101" \' failed for '45.143.220.16:5310' - Wrong password
\[2019-11-01 00:36:41\] SECURITY\[2634\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-01T00:36:41.319-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="101",SessionID="0x7fdf2c3f5928",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.1

45.40.195.23 - - [01/Nov/2019:05:06:13 +0100] "GET /test.php HTTP/1.1" 301 162 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.105 Safari/537.36"
45.40.195.23 - - [01/Nov/2019:05:06:17 +0100] "GET /webdav/ HTTP/1.1" 301 162 "-" "Mozilla/5.0"
...

2019-11-01T04:58:07.701162shield sshd\[9730\]: Invalid user xiaozhang\#@! from 157.230.129.73 port 52731
2019-11-01T04:58:07.706566shield sshd\[9730\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.129.73
2019-11-01T04:58:09.464829shield sshd\[9730\]: Failed password for invalid user xiaozhang\#@! from 157.230.129.73 port 52731 ssh2
2019-11-01T05:01:53.858846shield sshd\[9936\]: Invalid user Cisco12345 from 157.230.129.73 port 43799
2019-11-01T05:01:53.864706shield sshd\[9936\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.129.73

Nov  1 06:09:30 MK-Soft-Root1 sshd[16099]: Failed password for root from 222.186.180.6 port 39550 ssh2
Nov  1 06:09:34 MK-Soft-Root1 sshd[16099]: Failed password for root from 222.186.180.6 port 39550 ssh2
...

Nov  1 05:50:30 h2177944 kernel: \[5459547.395224\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.190 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=39733 PROTO=TCP SPT=46310 DPT=38676 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  1 05:51:40 h2177944 kernel: \[5459617.218922\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.190 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=12201 PROTO=TCP SPT=46310 DPT=39240 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  1 05:55:10 h2177944 kernel: \[5459827.748916\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.190 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=41250 PROTO=TCP SPT=46310 DPT=39213 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  1 06:03:37 h2177944 kernel: \[5460334.451515\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.190 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=27202 PROTO=TCP SPT=46310 DPT=38703 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  1 06:04:58 h2177944 kernel: \[5460415.157915\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.190 DST=85.214.117.9

1433/tcp 1433/tcp
[2019-10-18/11-01]2pkt