Jun 16 07:21:12 mail.srvfarm.net postfix/smtps/smtpd[1003800]: warning: unknown[103.25.134.149]: SASL PLAIN authentication failed: 
Jun 16 07:21:12 mail.srvfarm.net postfix/smtps/smtpd[1003800]: lost connection after AUTH from unknown[103.25.134.149]
Jun 16 07:21:18 mail.srvfarm.net postfix/smtpd[1009232]: warning: unknown[103.25.134.149]: SASL PLAIN authentication failed: 
Jun 16 07:21:19 mail.srvfarm.net postfix/smtpd[1009232]: lost connection after AUTH from unknown[103.25.134.149]
Jun 16 07:30:51 mail.srvfarm.net postfix/smtps/smtpd[1031414]: warning: unknown[103.25.134.149]: SASL PLAIN authentication failed:

Sep 21 18:55:45 mail.srvfarm.net postfix/smtpd[2952347]: warning: unknown[103.25.134.167]: SASL PLAIN authentication failed: 
Sep 21 18:55:45 mail.srvfarm.net postfix/smtpd[2952347]: lost connection after AUTH from unknown[103.25.134.167]
Sep 21 18:58:26 mail.srvfarm.net postfix/smtps/smtpd[2951826]: warning: unknown[103.25.134.167]: SASL PLAIN authentication failed: 
Sep 21 18:58:27 mail.srvfarm.net postfix/smtps/smtpd[2951826]: lost connection after AUTH from unknown[103.25.134.167]
Sep 21 19:01:56 mail.srvfarm.net postfix/smtpd[2953238]: warning: unknown[103.25.134.167]: SASL PLAIN authentication failed:

Sep 21 18:55:45 mail.srvfarm.net postfix/smtpd[2952347]: warning: unknown[103.25.134.167]: SASL PLAIN authentication failed: 
Sep 21 18:55:45 mail.srvfarm.net postfix/smtpd[2952347]: lost connection after AUTH from unknown[103.25.134.167]
Sep 21 18:58:26 mail.srvfarm.net postfix/smtps/smtpd[2951826]: warning: unknown[103.25.134.167]: SASL PLAIN authentication failed: 
Sep 21 18:58:27 mail.srvfarm.net postfix/smtps/smtpd[2951826]: lost connection after AUTH from unknown[103.25.134.167]
Sep 21 19:01:56 mail.srvfarm.net postfix/smtpd[2953238]: warning: unknown[103.25.134.167]: SASL PLAIN authentication failed:

Aug 27 05:59:07 mail.srvfarm.net postfix/smtpd[1362762]: warning: unknown[103.25.134.139]: SASL PLAIN authentication failed: 
Aug 27 05:59:08 mail.srvfarm.net postfix/smtpd[1362762]: lost connection after AUTH from unknown[103.25.134.139]
Aug 27 06:02:05 mail.srvfarm.net postfix/smtpd[1379454]: warning: unknown[103.25.134.139]: SASL PLAIN authentication failed: 
Aug 27 06:02:06 mail.srvfarm.net postfix/smtpd[1379454]: lost connection after AUTH from unknown[103.25.134.139]
Aug 27 06:02:15 mail.srvfarm.net postfix/smtps/smtpd[1362633]: warning: unknown[103.25.134.139]: SASL PLAIN authentication failed:

Aug 16 05:00:26 mail.srvfarm.net postfix/smtpd[1872412]: warning: unknown[103.25.134.140]: SASL PLAIN authentication failed: 
Aug 16 05:00:26 mail.srvfarm.net postfix/smtpd[1872412]: lost connection after AUTH from unknown[103.25.134.140]
Aug 16 05:03:03 mail.srvfarm.net postfix/smtpd[1887487]: warning: unknown[103.25.134.140]: SASL PLAIN authentication failed: 
Aug 16 05:03:04 mail.srvfarm.net postfix/smtpd[1887487]: lost connection after AUTH from unknown[103.25.134.140]
Aug 16 05:09:52 mail.srvfarm.net postfix/smtps/smtpd[1887810]: warning: unknown[103.25.134.140]: SASL PLAIN authentication failed:

Aug 16 05:27:48 mail.srvfarm.net postfix/smtps/smtpd[1890600]: warning: unknown[103.25.134.222]: SASL PLAIN authentication failed: 
Aug 16 05:27:48 mail.srvfarm.net postfix/smtps/smtpd[1890600]: lost connection after AUTH from unknown[103.25.134.222]
Aug 16 05:29:39 mail.srvfarm.net postfix/smtps/smtpd[1888744]: warning: unknown[103.25.134.222]: SASL PLAIN authentication failed: 
Aug 16 05:29:40 mail.srvfarm.net postfix/smtps/smtpd[1888744]: lost connection after AUTH from unknown[103.25.134.222]
Aug 16 05:32:09 mail.srvfarm.net postfix/smtpd[1879275]: warning: unknown[103.25.134.222]: SASL PLAIN authentication failed:

Aug 16 05:33:23 mail.srvfarm.net postfix/smtpd[1888511]: warning: unknown[103.25.134.143]: SASL PLAIN authentication failed: 
Aug 16 05:33:23 mail.srvfarm.net postfix/smtpd[1888511]: lost connection after AUTH from unknown[103.25.134.143]
Aug 16 05:42:23 mail.srvfarm.net postfix/smtps/smtpd[1907644]: warning: unknown[103.25.134.143]: SASL PLAIN authentication failed: 
Aug 16 05:42:23 mail.srvfarm.net postfix/smtps/smtpd[1907644]: lost connection after AUTH from unknown[103.25.134.143]
Aug 16 05:43:06 mail.srvfarm.net postfix/smtps/smtpd[1890437]: warning: unknown[103.25.134.143]: SASL PLAIN authentication failed:

Aug 15 01:47:06 mail.srvfarm.net postfix/smtpd[947315]: warning: unknown[103.25.134.193]: SASL PLAIN authentication failed: 
Aug 15 01:47:06 mail.srvfarm.net postfix/smtpd[947315]: lost connection after AUTH from unknown[103.25.134.193]
Aug 15 01:47:15 mail.srvfarm.net postfix/smtps/smtpd[930972]: warning: unknown[103.25.134.193]: SASL PLAIN authentication failed: 
Aug 15 01:47:15 mail.srvfarm.net postfix/smtps/smtpd[930972]: lost connection after AUTH from unknown[103.25.134.193]
Aug 15 01:47:30 mail.srvfarm.net postfix/smtps/smtpd[944622]: lost connection after AUTH from unknown[103.25.134.193]

Aug  2 05:47:00 mail.srvfarm.net postfix/smtpd[1404334]: warning: unknown[103.25.134.192]: SASL PLAIN authentication failed: 
Aug  2 05:47:00 mail.srvfarm.net postfix/smtpd[1404334]: lost connection after AUTH from unknown[103.25.134.192]
Aug  2 05:49:47 mail.srvfarm.net postfix/smtpd[1403823]: warning: unknown[103.25.134.192]: SASL PLAIN authentication failed: 
Aug  2 05:49:47 mail.srvfarm.net postfix/smtpd[1403823]: lost connection after AUTH from unknown[103.25.134.192]
Aug  2 05:51:03 mail.srvfarm.net postfix/smtps/smtpd[1403451]: warning: unknown[103.25.134.192]: SASL PLAIN authentication failed:

Jul 28 05:00:08 mail.srvfarm.net postfix/smtpd[2325907]: warning: unknown[103.25.134.147]: SASL PLAIN authentication failed: 
Jul 28 05:00:08 mail.srvfarm.net postfix/smtpd[2325907]: lost connection after AUTH from unknown[103.25.134.147]
Jul 28 05:03:10 mail.srvfarm.net postfix/smtpd[2327642]: warning: unknown[103.25.134.147]: SASL PLAIN authentication failed: 
Jul 28 05:03:10 mail.srvfarm.net postfix/smtpd[2327642]: lost connection after AUTH from unknown[103.25.134.147]
Jul 28 05:09:00 mail.srvfarm.net postfix/smtps/smtpd[2353295]: warning: unknown[103.25.134.147]: SASL PLAIN authentication failed:

Jul 24 08:35:14 mail.srvfarm.net postfix/smtps/smtpd[2137407]: warning: unknown[103.25.134.245]: SASL PLAIN authentication failed: 
Jul 24 08:35:15 mail.srvfarm.net postfix/smtps/smtpd[2137407]: lost connection after AUTH from unknown[103.25.134.245]
Jul 24 08:35:52 mail.srvfarm.net postfix/smtps/smtpd[2137533]: warning: unknown[103.25.134.245]: SASL PLAIN authentication failed: 
Jul 24 08:35:52 mail.srvfarm.net postfix/smtps/smtpd[2137533]: lost connection after AUTH from unknown[103.25.134.245]
Jul 24 08:41:02 mail.srvfarm.net postfix/smtpd[2132843]: warning: unknown[103.25.134.245]: SASL PLAIN authentication failed:

SASL PLAIN auth failed: ruser=...

Jul 16 05:36:19 mail.srvfarm.net postfix/smtpd[699495]: warning: unknown[103.25.134.173]: SASL PLAIN authentication failed: 
Jul 16 05:36:19 mail.srvfarm.net postfix/smtpd[699495]: lost connection after AUTH from unknown[103.25.134.173]
Jul 16 05:42:10 mail.srvfarm.net postfix/smtpd[699401]: warning: unknown[103.25.134.173]: SASL PLAIN authentication failed: 
Jul 16 05:42:10 mail.srvfarm.net postfix/smtpd[699401]: lost connection after AUTH from unknown[103.25.134.173]
Jul 16 05:45:27 mail.srvfarm.net postfix/smtps/smtpd[708455]: warning: unknown[103.25.134.173]: SASL PLAIN authentication failed:

SASL PLAIN auth failed: ruser=...

$f2bV_matches

2020-07-0714:31:21dovecot_plainauthenticatorfailedfor\([94.74.144.30]\)[94.74.144.30]:42612:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:04:16dovecot_plainauthenticatorfailedfor\([37.239.111.82]\)[37.239.111.82]:44658:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:13:37dovecot_plainauthenticatorfailedfor\([177.130.162.234]\)[177.130.162.234]:53663:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:45:24dovecot_plainauthenticatorfailedfor\([91.222.58.28]\)[91.222.58.28]:41038:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:24:39dovecot_plainauthenticatorfailedfor\([103.109.178.210]\)[103.109.178.210]:40447:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:19:22dovecot_plainauthenticatorfailedfor\([91.231.246.232]\)[91.231.246.232]:46394:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:45:00dovecot_plainauthenticatorfailedfor\([177.130.162.178]\)[177.130.162.178]:54313:535Incorrectauthenticationdata\(set_id=info\)2020-07-0714:43:09dovecot_plainauthentica

Invalid user roman from 106.75.17.91 port 41114
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.17.91
Failed password for invalid user roman from 106.75.17.91 port 41114 ssh2
Invalid user tim from 106.75.17.91 port 39244
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.17.91

Jul 17 17:25:23 vps200512 sshd\[12923\]: Invalid user dcc from 106.12.33.174
Jul 17 17:25:23 vps200512 sshd\[12923\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.33.174
Jul 17 17:25:25 vps200512 sshd\[12923\]: Failed password for invalid user dcc from 106.12.33.174 port 50210 ssh2
Jul 17 17:30:40 vps200512 sshd\[13036\]: Invalid user bouncer from 106.12.33.174
Jul 17 17:30:40 vps200512 sshd\[13036\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.33.174

1,52-00/00 concatform PostRequest-Spammer scoring: maputo01_x2b

blogonese.net 129.121.176.211 \[17/Jul/2019:18:29:12 +0200\] "POST /wp-login.php HTTP/1.1" 200 5771 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
blogonese.net 129.121.176.211 \[17/Jul/2019:18:29:13 +0200\] "POST /wp-login.php HTTP/1.1" 200 5731 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

\[2019-07-17 16:52:33\] NOTICE\[20804\] chan_sip.c: Registration from '\' failed for '5.62.41.147:8246' - Wrong password
\[2019-07-17 16:52:33\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-17T16:52:33.988-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2126",SessionID="0x7f06f87a5488",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.62.41.147/51307",Challenge="57d7457c",ReceivedChallenge="57d7457c",ReceivedHash="2ec91def5fc5a0531691b0de8e447503"
\[2019-07-17 16:53:52\] NOTICE\[20804\] chan_sip.c: Registration from '\' failed for '5.62.41.147:8390' - Wrong password
\[2019-07-17 16:53:52\] SECURITY\[20812\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-17T16:53:52.595-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2127",SessionID="0x7f06f85ff978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.62.41.147/5

Jul 17 18:29:08 [munged] sshd[5777]: Invalid user alin from 134.73.129.142 port 49034
Jul 17 18:29:08 [munged] sshd[5777]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.73.129.142

Brute force SMTP login attempts.

FTP/21 MH Probe, BF, Hack -

17.07.2019 19:36:59 Connection to port 3331 blocked by firewall

Jul 17 22:58:24 mail sshd\[21797\]: Invalid user bishop from 154.119.7.3 port 53065
Jul 17 22:58:24 mail sshd\[21797\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.119.7.3
Jul 17 22:58:26 mail sshd\[21797\]: Failed password for invalid user bishop from 154.119.7.3 port 53065 ssh2
Jul 17 23:04:48 mail sshd\[23280\]: Invalid user andrey from 154.119.7.3 port 51959
Jul 17 23:04:48 mail sshd\[23280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.119.7.3

Unauthorized connection attempt from IP address 5.196.125.42 on Port 445(SMB)

Jul 17 15:53:27 aat-srv002 sshd[21304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.228.16.101
Jul 17 15:53:29 aat-srv002 sshd[21304]: Failed password for invalid user pri from 190.228.16.101 port 48102 ssh2
Jul 17 15:59:33 aat-srv002 sshd[21445]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.228.16.101
Jul 17 15:59:35 aat-srv002 sshd[21445]: Failed password for invalid user csgo from 190.228.16.101 port 46752 ssh2
...

php WP PHPmyadamin ABUSE blocked for 12h

Unauthorized connection attempt from IP address 201.242.39.250 on Port 445(SMB)

2019-07-17 23:28:49,605 fail2ban.actions        [20423]: NOTICE  [portsentry] Ban 193.56.28.120
...