Jun  4 20:03:55 server sshd[31819]: Failed password for root from 213.251.184.102 port 37518 ssh2
Jun  4 20:07:13 server sshd[32082]: Failed password for root from 213.251.184.102 port 41104 ssh2
...

Jun  2 07:14:18 amida sshd[203192]: reveeclipse mapping checking getaddrinfo for 31-221-81-222.cust-31.exponential-e.net [31.221.81.222] failed - POSSIBLE BREAK-IN ATTEMPT!
Jun  2 07:14:18 amida sshd[203192]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.221.81.222  user=r.r
Jun  2 07:14:21 amida sshd[203192]: Failed password for r.r from 31.221.81.222 port 47540 ssh2
Jun  2 07:14:21 amida sshd[203192]: Received disconnect from 31.221.81.222: 11: Bye Bye [preauth]
Jun  2 07:29:46 amida sshd[207319]: reveeclipse mapping checking getaddrinfo for 31-221-81-222.cust-31.exponential-e.net [31.221.81.222] failed - POSSIBLE BREAK-IN ATTEMPT!
Jun  2 07:29:46 amida sshd[207319]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.221.81.222  user=r.r
Jun  2 07:29:47 amida sshd[207319]: Failed password for r.r from 31.221.81.222 port 42728 ssh2
Jun  2 07:29:47 amida sshd[207319]: Received disconnec........
-------------------------------

Unauthorized connection attempt detected from IP address 41.33.113.50 to port 445

2020-06-04 06:59:05.905939-0500  localhost smtpd[5970]: NOQUEUE: reject: RCPT from mail.reveri.london[92.118.114.20]: 554 5.7.1 Service unavailable; Client host [92.118.114.20] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

Unauthorised access (Jun  4) SRC=148.101.203.100 LEN=52 TTL=113 ID=1057 DF TCP DPT=445 WINDOW=8192 SYN

$f2bV_matches

5x Failed Password

2020-06-04T11:03:17.0943031495-001 sshd[58455]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.32.196  user=root
2020-06-04T11:03:19.3967061495-001 sshd[58455]: Failed password for root from 106.54.32.196 port 34784 ssh2
2020-06-04T11:06:52.8869281495-001 sshd[58525]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.32.196  user=root
2020-06-04T11:06:55.0389861495-001 sshd[58525]: Failed password for root from 106.54.32.196 port 43346 ssh2
2020-06-04T11:10:30.5900231495-001 sshd[58654]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.32.196  user=root
2020-06-04T11:10:33.3344841495-001 sshd[58654]: Failed password for root from 106.54.32.196 port 51906 ssh2
...

[2020-06-04 07:54:19] NOTICE[1288][C-0000062a] chan_sip.c: Call from '' (144.217.77.27:5757) to extension '011390237920793' rejected because extension not found in context 'public'.
[2020-06-04 07:54:19] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-04T07:54:19.858-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011390237920793",SessionID="0x7f4d74371bc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/144.217.77.27/5757",ACLName="no_extension_match"
[2020-06-04 08:02:30] NOTICE[1288][C-0000062f] chan_sip.c: Call from '' (144.217.77.27:6746) to extension '900390237920793' rejected because extension not found in context 'public'.
[2020-06-04 08:02:30] SECURITY[1303] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-06-04T08:02:30.476-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="900390237920793",SessionID="0x7f4d7403c148",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/144
...

Jun  4 19:52:00 vpn01 sshd[2668]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.175.197.150
Jun  4 19:52:02 vpn01 sshd[2668]: Failed password for invalid user jenkins from 107.175.197.150 port 34994 ssh2
...

Jun  5 04:16:57 localhost sshd[2674229]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.173.222  user=root
Jun  5 04:16:59 localhost sshd[2674229]: Failed password for root from 51.255.173.222 port 35324 ssh2
...

Jun  4 11:05:12 propaganda sshd[12244]: Connection from 60.250.164.169 port 37178 on 10.0.0.160 port 22 rdomain ""
Jun  4 11:05:12 propaganda sshd[12244]: Connection closed by 60.250.164.169 port 37178 [preauth]

port scan and connect, tcp 3128 (squid-http)

Lines containing failures of 106.12.77.183
Jun  4 05:09:19 shared11 sshd[23482]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.77.183  user=r.r
Jun  4 05:09:21 shared11 sshd[23482]: Failed password for r.r from 106.12.77.183 port 43140 ssh2
Jun  4 05:09:21 shared11 sshd[23482]: Received disconnect from 106.12.77.183 port 43140:11: Bye Bye [preauth]
Jun  4 05:09:21 shared11 sshd[23482]: Disconnected from authenticating user r.r 106.12.77.183 port 43140 [preauth]
Jun  4 05:32:47 shared11 sshd[840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.77.183  user=r.r
Jun  4 05:32:49 shared11 sshd[840]: Failed password for r.r from 106.12.77.183 port 47100 ssh2
Jun  4 05:32:51 shared11 sshd[840]: Received disconnect from 106.12.77.183 port 47100:11: Bye Bye [preauth]
Jun  4 05:32:51 shared11 sshd[840]: Disconnected from authenticating user r.r 106.12.77.183 port 47100 [preauth]
Jun  4........
------------------------------

Brute forcing email accounts