SSH auth scanning - multiple failed logins

(smtpauth) Failed SMTP AUTH login from 23.129.64.192 (US/United States/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-06-23 08:26:13 plain authenticator failed for (itym4gngj3763he46ny5lcpgp5arg) [23.129.64.192]: 535 Incorrect authentication data (set_id=info@iranhovie.ir)

Invalid user pi from 201.236.182.92 port 37024

Jun 23 07:24:32 home sshd[7635]: Failed password for root from 222.186.175.169 port 9496 ssh2
Jun 23 07:24:44 home sshd[7635]: error: maximum authentication attempts exceeded for root from 222.186.175.169 port 9496 ssh2 [preauth]
Jun 23 07:24:51 home sshd[7660]: Failed password for root from 222.186.175.169 port 18108 ssh2
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Jun 23 05:12:09 rush sshd[2426]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.19.98.51
Jun 23 05:12:10 rush sshd[2426]: Failed password for invalid user djmax from 177.19.98.51 port 53928 ssh2
Jun 23 05:16:25 rush sshd[2616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.19.98.51
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20/6/22@23:56:50: FAIL: Alarm-Network address from=27.71.122.121
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Jun 23 06:56:55 sip sshd[738641]: Invalid user test from 93.123.96.138 port 48696
Jun 23 06:56:57 sip sshd[738641]: Failed password for invalid user test from 93.123.96.138 port 48696 ssh2
Jun 23 07:00:31 sip sshd[738673]: Invalid user gfs from 93.123.96.138 port 48476
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Invalid user webmaster from 104.223.74.51 port 43324

Jun 23 05:56:11 debian-2gb-nbg1-2 kernel: \[15143243.940938\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=20.185.233.38 DST=195.201.40.59 LEN=430 TOS=0x00 PREC=0x00 TTL=44 ID=64298 DF PROTO=UDP SPT=5060 DPT=5070 LEN=410

Invalid user rustserver from 139.99.43.235 port 41244

Jun 23 04:58:29 onepixel sshd[1167696]: Failed password for invalid user tester from 106.13.128.71 port 51586 ssh2
Jun 23 05:02:43 onepixel sshd[1169686]: Invalid user cameras from 106.13.128.71 port 55330
Jun 23 05:02:43 onepixel sshd[1169686]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.128.71 
Jun 23 05:02:43 onepixel sshd[1169686]: Invalid user cameras from 106.13.128.71 port 55330
Jun 23 05:02:46 onepixel sshd[1169686]: Failed password for invalid user cameras from 106.13.128.71 port 55330 ssh2

Jun 23 05:45:28 roki-contabo sshd\[19154\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.169.6.47  user=root
Jun 23 05:45:30 roki-contabo sshd\[19154\]: Failed password for root from 95.169.6.47 port 43294 ssh2
Jun 23 05:56:44 roki-contabo sshd\[19271\]: Invalid user test from 95.169.6.47
Jun 23 05:56:44 roki-contabo sshd\[19271\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.169.6.47
Jun 23 05:56:46 roki-contabo sshd\[19271\]: Failed password for invalid user test from 95.169.6.47 port 59892 ssh2
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Jun 23 07:01:12 vps647732 sshd[31793]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.83.12.23
Jun 23 07:01:14 vps647732 sshd[31793]: Failed password for invalid user jifei from 154.83.12.23 port 45976 ssh2
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 TCP (SYN) 85.209.0.103:18086 -> port 22, len 60

1592884575 - 06/23/2020 10:56:15 Host: 5.2.112.152/5.2.112.152 Port: 23 TCP Blocked
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