[2020-08-31 09:50:23] NOTICE[1185][C-00008e28] chan_sip.c: Call from '' (145.239.51.233:54095) to extension '9128210046520458220' rejected because extension not found in context 'public'.
[2020-08-31 09:50:23] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-31T09:50:23.447-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9128210046520458220",SessionID="0x7f10c43e3a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/54095",ACLName="no_extension_match"
[2020-08-31 09:50:40] NOTICE[1185][C-00008e29] chan_sip.c: Call from '' (145.239.51.233:49312) to extension '9673970046520458220' rejected because extension not found in context 'public'.
[2020-08-31 09:50:40] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-31T09:50:40.269-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9673970046520458220",SessionID="0x7f10c459e698",LocalAddress="IPV4/UDP/192.168.244.6/5060",Remot
...

[2020-08-31 05:06:05] NOTICE[1185][C-00008d32] chan_sip.c: Call from '' (145.239.51.233:54261) to extension '9861530146520458220' rejected because extension not found in context 'public'.
[2020-08-31 05:06:05] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-31T05:06:05.617-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9861530146520458220",SessionID="0x7f10c416cce8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/54261",ACLName="no_extension_match"
[2020-08-31 05:06:22] NOTICE[1185][C-00008d33] chan_sip.c: Call from '' (145.239.51.233:49468) to extension '9191510046520458220' rejected because extension not found in context 'public'.
...

[2020-08-30 20:01:11] NOTICE[1185][C-00008b31] chan_sip.c: Call from '' (145.239.51.233:64197) to extension '87996010046520458220' rejected because extension not found in context 'public'.
[2020-08-30 20:01:11] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T20:01:11.606-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="87996010046520458220",SessionID="0x7f10c4286a78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/64197",ACLName="no_extension_match"
[2020-08-30 20:01:28] NOTICE[1185][C-00008b32] chan_sip.c: Call from '' (145.239.51.233:59580) to extension '16754000046520458220' rejected because extension not found in context 'public'.
[2020-08-30 20:01:28] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T20:01:28.641-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="16754000046520458220",SessionID="0x7f10c4031b98",LocalAddress="IPV4/UDP/192.168.244.6/5060",R
...

[2020-08-30 11:41:39] NOTICE[1185][C-0000886e] chan_sip.c: Call from '' (145.239.51.233:50075) to extension '66289000046520458220' rejected because extension not found in context 'public'.
[2020-08-30 11:41:39] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T11:41:39.979-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="66289000046520458220",SessionID="0x7f10c49f9a78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.51.233/50075",ACLName="no_extension_match"
[2020-08-30 11:41:56] NOTICE[1185][C-0000886f] chan_sip.c: Call from '' (145.239.51.233:61294) to extension '82170010046520458220' rejected because extension not found in context 'public'.
[2020-08-30 11:41:56] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-30T11:41:56.618-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="82170010046520458220",SessionID="0x7f10c49912f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",R
...

Unauthorized connection attempt detected from IP address 145.239.58.139 to port 8443

client 145.239.51.137#29086 (VERSION.BIND): query: VERSION.BIND CH TXT +

WordPress brute force

Automatic report - XMLRPC Attack

Sep  5 12:19:10 friendsofhawaii sshd\[27601\]: Invalid user temp@123 from 145.239.57.37
Sep  5 12:19:10 friendsofhawaii sshd\[27601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Sep  5 12:19:12 friendsofhawaii sshd\[27601\]: Failed password for invalid user temp@123 from 145.239.57.37 port 48550 ssh2
Sep  5 12:23:41 friendsofhawaii sshd\[28015\]: Invalid user welcome from 145.239.57.37
Sep  5 12:23:41 friendsofhawaii sshd\[28015\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

Aug 17 06:10:18 SilenceServices sshd[26185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Aug 17 06:10:20 SilenceServices sshd[26185]: Failed password for invalid user com123 from 145.239.57.37 port 24361 ssh2
Aug 17 06:14:37 SilenceServices sshd[29539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

SSH Brute-Force reported by Fail2Ban

Aug 14 08:24:33 SilenceServices sshd[739]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Aug 14 08:24:35 SilenceServices sshd[739]: Failed password for invalid user otrs from 145.239.57.37 port 15026 ssh2
Aug 14 08:29:26 SilenceServices sshd[4077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

Aug  7 16:29:11 yabzik sshd[10849]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37
Aug  7 16:29:13 yabzik sshd[10849]: Failed password for invalid user test9 from 145.239.57.37 port 48449 ssh2
Aug  7 16:33:35 yabzik sshd[12363]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.57.37

Jun 28 12:39:43 novum-srv2 sshd[16209]: Invalid user hanen from 145.239.57.126 port 51112
Jun 28 13:38:47 novum-srv2 sshd[16604]: Invalid user nagios from 145.239.57.126 port 36896
Jun 28 13:39:53 novum-srv2 sshd[16708]: Invalid user postgres from 145.239.57.126 port 46722
...

[AUTOMATIC REPORT] - 63 tries in total - SSH BRUTE FORCE - IP banned

Sep  5 12:05:18 mail sshd[14143]: Invalid user rust from 51.77.137.211
Sep  5 12:05:18 mail sshd[14143]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.137.211
Sep  5 12:05:18 mail sshd[14143]: Invalid user rust from 51.77.137.211
Sep  5 12:05:20 mail sshd[14143]: Failed password for invalid user rust from 51.77.137.211 port 38476 ssh2
Sep  5 12:09:33 mail sshd[14641]: Invalid user debian from 51.77.137.211
...

Sep  5 19:51:33 rpi sshd[29566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.170.1.58 
Sep  5 19:51:36 rpi sshd[29566]: Failed password for invalid user teamspeak3 from 109.170.1.58 port 52786 ssh2

Automatic report - Port Scan Attack

fire

Sep  5 14:44:52 debian sshd\[17204\]: Invalid user linux from 106.12.125.27 port 40790
Sep  5 14:44:52 debian sshd\[17204\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.125.27
Sep  5 14:44:53 debian sshd\[17204\]: Failed password for invalid user linux from 106.12.125.27 port 40790 ssh2
...

Sep  5 21:27:07 server sshd\[12849\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.172.44.97  user=www-data
Sep  5 21:27:09 server sshd\[12849\]: Failed password for www-data from 52.172.44.97 port 44776 ssh2
Sep  5 21:31:57 server sshd\[15536\]: Invalid user hadoop from 52.172.44.97 port 33386
Sep  5 21:31:57 server sshd\[15536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.172.44.97
Sep  5 21:31:59 server sshd\[15536\]: Failed password for invalid user hadoop from 52.172.44.97 port 33386 ssh2

Port Scan: TCP/443

Sep  5 19:04:26 site3 sshd\[106016\]: Invalid user teamspeak from 165.22.242.104
Sep  5 19:04:26 site3 sshd\[106016\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.242.104
Sep  5 19:04:27 site3 sshd\[106016\]: Failed password for invalid user teamspeak from 165.22.242.104 port 38896 ssh2
Sep  5 19:09:57 site3 sshd\[106115\]: Invalid user ec2-user from 165.22.242.104
Sep  5 19:09:57 site3 sshd\[106115\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.242.104
...

\[2019-09-05 10:25:49\] SECURITY\[1837\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-09-05T10:25:49.396-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12312520187",SessionID="0x7f7b3093e578",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.149.30/5070",ACLName="no_extension_match"
\[2019-09-05 10:30:33\] SECURITY\[1837\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-09-05T10:30:33.986-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="912312520187",SessionID="0x7f7b30d66ff8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.149.30/5070",ACLName="no_extension_match"
\[2019-09-05 10:35:46\] SECURITY\[1837\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-09-05T10:35:46.138-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01112312520187",SessionID="0x7f7b3093e578",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.149.30/5070",ACLName="no_extension_matc

2019-09-05 dovecot_login authenticator failed for \(ylmf-pc\) \[185.162.235.99\]: 535 Incorrect authentication data \(set_id=**REMOVED****REMOVED****REMOVED**_perl@**REMOVED**.de\)
2019-09-05 dovecot_login authenticator failed for \(ylmf-pc\) \[185.162.235.99\]: 535 Incorrect authentication data \(set_id=**REMOVED****REMOVED****REMOVED**_perl@**REMOVED**.de\)
2019-09-05 dovecot_login authenticator failed for \(ylmf-pc\) \[185.162.235.99\]: 535 Incorrect authentication data \(set_id=**REMOVED****REMOVED****REMOVED**_perl@**REMOVED**.de\)

Sep  5 14:53:23 hb sshd\[2434\]: Invalid user qwertyuiop from 67.207.94.17
Sep  5 14:53:23 hb sshd\[2434\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.207.94.17
Sep  5 14:53:25 hb sshd\[2434\]: Failed password for invalid user qwertyuiop from 67.207.94.17 port 56286 ssh2
Sep  5 14:58:03 hb sshd\[2807\]: Invalid user postgres from 67.207.94.17
Sep  5 14:58:03 hb sshd\[2807\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.207.94.17

Sep  5 13:28:52 ubuntu-2gb-nbg1-dc3-1 sshd[14278]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.135.84
Sep  5 13:28:54 ubuntu-2gb-nbg1-dc3-1 sshd[14278]: Failed password for invalid user 1 from 139.59.135.84 port 46118 ssh2
...

Sep  5 08:27:59 web1 sshd\[4513\]: Invalid user ts3server from 92.222.92.114
Sep  5 08:27:59 web1 sshd\[4513\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.92.114
Sep  5 08:28:01 web1 sshd\[4513\]: Failed password for invalid user ts3server from 92.222.92.114 port 57014 ssh2
Sep  5 08:32:16 web1 sshd\[4846\]: Invalid user ts3 from 92.222.92.114
Sep  5 08:32:16 web1 sshd\[4846\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.92.114

Sep  5 03:25:29 borg sshd[53934]: Failed unknown for root from 121.159.135.131 port 57462 ssh2
Sep  5 03:25:29 borg sshd[53934]: Failed unknown for root from 121.159.135.131 port 57462 ssh2
Sep  5 03:25:29 borg sshd[53934]: Failed unknown for root from 121.159.135.131 port 57462 ssh2
...

Port Scan: TCP/80