Jul 26 22:10:42 server1 sshd\[2036\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.146.121.79  user=mysql
Jul 26 22:10:44 server1 sshd\[2036\]: Failed password for mysql from 115.146.121.79 port 43918 ssh2
Jul 26 22:15:41 server1 sshd\[3507\]: Invalid user user from 115.146.121.79
Jul 26 22:15:41 server1 sshd\[3507\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.146.121.79 
Jul 26 22:15:44 server1 sshd\[3507\]: Failed password for invalid user user from 115.146.121.79 port 56502 ssh2
...

Jul 27 06:52:28 journals sshd\[55472\]: Invalid user oracle from 103.242.200.38
Jul 27 06:52:28 journals sshd\[55472\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.200.38
Jul 27 06:52:29 journals sshd\[55472\]: Failed password for invalid user oracle from 103.242.200.38 port 26210 ssh2
Jul 27 06:56:55 journals sshd\[56066\]: Invalid user tomcat from 103.242.200.38
Jul 27 06:56:55 journals sshd\[56066\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.200.38
...

2020-07-26 22:57:59.555410-0500  localhost smtpd[64643]: NOQUEUE: reject: RCPT from unknown[170.130.212.99]: 450 4.7.25 Client host rejected: cannot find your hostname, [170.130.212.99]; from= to= proto=ESMTP helo=

167.172.32.130 - - [27/Jul/2020:08:37:42 +0400] "POST /GponForm/diag_Form?style/ HTTP/1.1" 502 157 "-" "curl/7.3.2"
...

Jul 27 07:19:43 ift sshd\[62370\]: Failed password for root from 222.186.175.212 port 21952 ssh2Jul 27 07:19:47 ift sshd\[62370\]: Failed password for root from 222.186.175.212 port 21952 ssh2Jul 27 07:19:58 ift sshd\[62370\]: Failed password for root from 222.186.175.212 port 21952 ssh2Jul 27 07:20:12 ift sshd\[62627\]: Failed password for root from 222.186.175.212 port 25712 ssh2Jul 27 07:20:47 ift sshd\[62693\]: Failed password for root from 222.186.175.212 port 24558 ssh2
...

$f2bV_matches

Jul 27 06:31:07 vps639187 sshd\[8382\]: Invalid user fs from 111.231.141.141 port 43140
Jul 27 06:31:07 vps639187 sshd\[8382\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.141.141
Jul 27 06:31:09 vps639187 sshd\[8382\]: Failed password for invalid user fs from 111.231.141.141 port 43140 ssh2
...

Jul 27 06:27:22 ns381471 sshd[19934]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.210.162
Jul 27 06:27:24 ns381471 sshd[19934]: Failed password for invalid user svn from 192.99.210.162 port 34232 ssh2

Jul 27 06:54:33 journals sshd\[55710\]: Invalid user raza from 202.29.176.21
Jul 27 06:54:33 journals sshd\[55710\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.29.176.21
Jul 27 06:54:35 journals sshd\[55710\]: Failed password for invalid user raza from 202.29.176.21 port 26202 ssh2
Jul 27 06:56:50 journals sshd\[56005\]: Invalid user admin from 202.29.176.21
Jul 27 06:56:50 journals sshd\[56005\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.29.176.21
...

Jul 26 21:13:42 mockhub sshd[29262]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.146.32
Jul 26 21:13:44 mockhub sshd[29262]: Failed password for invalid user mike from 150.109.146.32 port 59542 ssh2
...

Jul 27 05:51:58 *hidden* sshd[50683]: Failed password for invalid user laurie from 59.125.160.248 port 53247 ssh2 Jul 27 05:54:46 *hidden* sshd[57930]: Invalid user becker from 59.125.160.248 port 43723 Jul 27 05:54:46 *hidden* sshd[57930]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.125.160.248 Jul 27 05:54:48 *hidden* sshd[57930]: Failed password for invalid user becker from 59.125.160.248 port 43723 ssh2 Jul 27 05:56:16 *hidden* sshd[61162]: Invalid user jelena from 59.125.160.248 port 55446

[2020-07-26 23:56:42] NOTICE[1248][C-00000cde] chan_sip.c: Call from '' (45.148.121.134:6565) to extension '550542752' rejected because extension not found in context 'public'.
[2020-07-26 23:56:42] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-26T23:56:42.686-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="550542752",SessionID="0x7f27200510e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.148.121.134/6565",ACLName="no_extension_match"
[2020-07-26 23:56:42] NOTICE[1248][C-00000cdf] chan_sip.c: Call from '' (45.148.121.134:6565) to extension '0' rejected because extension not found in context 'public'.
[2020-07-26 23:56:42] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-26T23:56:42.785-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0",SessionID="0x7f272002baf8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.148.121.134/6565",ACLName="no_extensi
...

1595822199 - 07/27/2020 05:56:39 Host: 49.145.225.72/49.145.225.72 Port: 445 TCP Blocked

Jul 27 05:56:23 host sshd[19466]: Invalid user sunbaoli from 180.76.135.123 port 51104
...

Jul 27 10:56:35 itv-usvr-01 sshd[21032]: Invalid user admin from 54.38.75.41
Jul 27 10:56:35 itv-usvr-01 sshd[21032]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.75.41
Jul 27 10:56:35 itv-usvr-01 sshd[21032]: Invalid user admin from 54.38.75.41
Jul 27 10:56:38 itv-usvr-01 sshd[21032]: Failed password for invalid user admin from 54.38.75.41 port 54832 ssh2
Jul 27 10:56:40 itv-usvr-01 sshd[21034]: Invalid user admin from 54.38.75.41