2020-07-20 00:26:08 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data
2020-07-20 00:31:31 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=organizr@no-server.de\)
2020-07-20 00:31:43 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=organizr@no-server.de\)
2020-07-20 00:31:49 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=organizr@no-server.de\)
2020-07-20 00:31:55 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=ehanson@no-server.de\)
...

2020-07-19 22:54:19 dovecot_login authenticator failed for \(User\) \[185.143.73.119\]: 535 Incorrect authentication data \(set_id=cp-hk-4@no-server.de\)
2020-07-19 22:54:37 dovecot_login authenticator failed for \(User\) \[185.143.73.119\]: 535 Incorrect authentication data \(set_id=serv2@no-server.de\)
2020-07-19 22:54:47 dovecot_login authenticator failed for \(User\) \[185.143.73.119\]: 535 Incorrect authentication data \(set_id=serv2@no-server.de\)
2020-07-19 22:54:56 dovecot_login authenticator failed for \(User\) \[185.143.73.119\]: 535 Incorrect authentication data \(set_id=serv2@no-server.de\)
2020-07-19 22:55:00 dovecot_login authenticator failed for \(User\) \[185.143.73.119\]: 535 Incorrect authentication data \(set_id=balboa@no-server.de\)
...

2020-07-19 19:51:19 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=sec@csmailer.org)
2020-07-19 19:51:51 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=host2123@csmailer.org)
2020-07-19 19:52:16 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=ticker@csmailer.org)
2020-07-19 19:52:47 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=prints@csmailer.org)
2020-07-19 19:53:16 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=m14@csmailer.org)
...

2020-07-19 17:48:05 auth_plain authenticator failed for (User) [185.143.73.162]: 535 Incorrect authentication data (set_id=fmf@mail.csmailer.org)
2020-07-19 17:48:29 auth_plain authenticator failed for (User) [185.143.73.162]: 535 Incorrect authentication data (set_id=u13@mail.csmailer.org)
2020-07-19 17:48:52 auth_plain authenticator failed for (User) [185.143.73.162]: 535 Incorrect authentication data (set_id=gr@mail.csmailer.org)
2020-07-19 17:49:17 auth_plain authenticator failed for (User) [185.143.73.162]: 535 Incorrect authentication data (set_id=server34@mail.csmailer.org)
2020-07-19 17:49:40 auth_plain authenticator failed for (User) [185.143.73.162]: 535 Incorrect authentication data (set_id=updraft_encryptionphrase@mail.csmailer.org)
...

2020-07-19 14:51:23 auth_plain authenticator failed for (User) [185.143.73.203]: 535 Incorrect authentication data (set_id=dns1@mail.csmailer.org)
2020-07-19 14:51:48 auth_plain authenticator failed for (User) [185.143.73.203]: 535 Incorrect authentication data (set_id=synchronizetagsfrom@mail.csmailer.org)
2020-07-19 14:52:14 auth_plain authenticator failed for (User) [185.143.73.203]: 535 Incorrect authentication data (set_id=srvc98@mail.csmailer.org)
2020-07-19 14:52:36 auth_plain authenticator failed for (User) [185.143.73.203]: 535 Incorrect authentication data (set_id=composite@mail.csmailer.org)
2020-07-19 14:53:02 auth_plain authenticator failed for (User) [185.143.73.203]: 535 Incorrect authentication data (set_id=uk@mail.csmailer.org)
...

2020-07-19 16:28:36 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=spartan@no-server.de\)
2020-07-19 16:28:47 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=spartan@no-server.de\)
2020-07-19 16:28:53 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=spartan@no-server.de\)
2020-07-19 16:29:04 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=cases@no-server.de\)
2020-07-19 16:29:13 dovecot_login authenticator failed for \(User\) \[185.143.73.152\]: 535 Incorrect authentication data \(set_id=cases@no-server.de\)
...

2020-07-19 13:39:22 auth_plain authenticator failed for (User) [185.143.73.119]: 535 Incorrect authentication data (set_id=selena@csmailer.org)
2020-07-19 13:39:52 auth_plain authenticator failed for (User) [185.143.73.119]: 535 Incorrect authentication data (set_id=sgd@csmailer.org)
2020-07-19 13:40:20 auth_plain authenticator failed for (User) [185.143.73.119]: 535 Incorrect authentication data (set_id=andromede@csmailer.org)
2020-07-19 13:40:49 auth_plain authenticator failed for (User) [185.143.73.119]: 535 Incorrect authentication data (set_id=vive@csmailer.org)
2020-07-19 13:41:18 auth_plain authenticator failed for (User) [185.143.73.119]: 535 Incorrect authentication data (set_id=rosanna@csmailer.org)
...

2020-07-19 11:57:47 auth_plain authenticator failed for (User) [185.143.73.41]: 535 Incorrect authentication data (set_id=whm@mail.csmailer.org)
2020-07-19 11:58:14 auth_plain authenticator failed for (User) [185.143.73.41]: 535 Incorrect authentication data (set_id=melinda@mail.csmailer.org)
2020-07-19 11:58:45 auth_plain authenticator failed for (User) [185.143.73.41]: 535 Incorrect authentication data (set_id=anya@mail.csmailer.org)
2020-07-19 11:59:14 auth_plain authenticator failed for (User) [185.143.73.41]: 535 Incorrect authentication data (set_id=isk@mail.csmailer.org)
2020-07-19 11:59:43 auth_plain authenticator failed for (User) [185.143.73.41]: 535 Incorrect authentication data (set_id=srvc13@mail.csmailer.org)
...

2020-07-19 11:58:27 auth_plain authenticator failed for (User) [185.143.73.134]: 535 Incorrect authentication data (set_id=kishi@mail.csmailer.org)
2020-07-19 11:58:54 auth_plain authenticator failed for (User) [185.143.73.134]: 535 Incorrect authentication data (set_id=yoshida@mail.csmailer.org)
2020-07-19 11:59:25 auth_plain authenticator failed for (User) [185.143.73.134]: 535 Incorrect authentication data (set_id=testbox@mail.csmailer.org)
2020-07-19 11:59:55 auth_plain authenticator failed for (User) [185.143.73.134]: 535 Incorrect authentication data (set_id=phoenix@mail.csmailer.org)
2020-07-19 12:00:22 auth_plain authenticator failed for (User) [185.143.73.134]: 535 Incorrect authentication data (set_id=blood@mail.csmailer.org)
...

2020-07-19 10:14:47 auth_plain authenticator failed for (User) [185.143.73.33]: 535 Incorrect authentication data (set_id=dav@csmailer.org)
2020-07-19 10:15:12 auth_plain authenticator failed for (User) [185.143.73.33]: 535 Incorrect authentication data (set_id=thx1138@csmailer.org)
2020-07-19 10:15:38 auth_plain authenticator failed for (User) [185.143.73.33]: 535 Incorrect authentication data (set_id=discard@csmailer.org)
2020-07-19 10:16:03 auth_plain authenticator failed for (User) [185.143.73.33]: 535 Incorrect authentication data (set_id=widget_number@csmailer.org)
2020-07-19 10:16:24 auth_plain authenticator failed for (User) [185.143.73.33]: 535 Incorrect authentication data (set_id=aulas@csmailer.org)
...

2020-07-19 09:58:36 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=finn@csmailer.org)
2020-07-19 09:59:07 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=angola@csmailer.org)
2020-07-19 09:59:35 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=beeper@csmailer.org)
2020-07-19 10:00:03 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=popup@csmailer.org)
2020-07-19 10:00:31 auth_plain authenticator failed for (User) [185.143.73.48]: 535 Incorrect authentication data (set_id=filepath@csmailer.org)
...

2020-07-19 10:00:01 auth_plain authenticator failed for (User) [185.143.73.103]: 535 Incorrect authentication data (set_id=guest6@mail.csmailer.org)
2020-07-19 10:00:31 auth_plain authenticator failed for (User) [185.143.73.103]: 535 Incorrect authentication data (set_id=leoline@mail.csmailer.org)
2020-07-19 10:00:58 auth_plain authenticator failed for (User) [185.143.73.103]: 535 Incorrect authentication data (set_id=iad1@mail.csmailer.org)
2020-07-19 10:01:29 auth_plain authenticator failed for (User) [185.143.73.103]: 535 Incorrect authentication data (set_id=calibre@mail.csmailer.org)
2020-07-19 10:01:58 auth_plain authenticator failed for (User) [185.143.73.103]: 535 Incorrect authentication data (set_id=previous@mail.csmailer.org)
...

2020-07-19 09:54:41 auth_plain authenticator failed for (User) [185.143.73.58]: 535 Incorrect authentication data (set_id=tanburi@csmailer.org)
2020-07-19 09:55:08 auth_plain authenticator failed for (User) [185.143.73.58]: 535 Incorrect authentication data (set_id=findnsave@csmailer.org)
2020-07-19 09:55:39 auth_plain authenticator failed for (User) [185.143.73.58]: 535 Incorrect authentication data (set_id=hostmaster@csmailer.org)
2020-07-19 09:56:08 auth_plain authenticator failed for (User) [185.143.73.58]: 535 Incorrect authentication data (set_id=spartan@csmailer.org)
2020-07-19 09:56:32 auth_plain authenticator failed for (User) [185.143.73.58]: 535 Incorrect authentication data (set_id=aff@csmailer.org)
...

2020-07-19 08:46:58 auth_plain authenticator failed for (User) [185.143.73.142]: 535 Incorrect authentication data (set_id=zone@csmailer.org)
2020-07-19 08:47:22 auth_plain authenticator failed for (User) [185.143.73.142]: 535 Incorrect authentication data (set_id=freware@csmailer.org)
2020-07-19 08:47:45 auth_plain authenticator failed for (User) [185.143.73.142]: 535 Incorrect authentication data (set_id=exceptionto@csmailer.org)
2020-07-19 08:48:09 auth_plain authenticator failed for (User) [185.143.73.142]: 535 Incorrect authentication data (set_id=development@csmailer.org)
2020-07-19 08:48:32 auth_plain authenticator failed for (User) [185.143.73.142]: 535 Incorrect authentication data (set_id=novak@csmailer.org)
...

Brute Force attack - banned by Fail2Ban

Automatic report - Port Scan Attack

Oct  4 12:23:44 vps647732 sshd[15709]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.117.13.84
Oct  4 12:23:46 vps647732 sshd[15709]: Failed password for invalid user wesley from 222.117.13.84 port 60018 ssh2
...

Oct  4 11:48:38 lnxweb62 sshd[24784]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.77.53
Oct  4 11:48:40 lnxweb62 sshd[24784]: Failed password for invalid user test_ftp from 81.68.77.53 port 60486 ssh2
Oct  4 11:50:42 lnxweb62 sshd[25812]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.68.77.53

Invalid user tomcat from 118.24.50.107 port 51156

Oct  4 12:35:22 relay postfix/smtpd\[5571\]: warning: unknown\[45.142.120.39\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 12:35:25 relay postfix/smtpd\[2819\]: warning: unknown\[45.142.120.39\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 12:35:31 relay postfix/smtpd\[6512\]: warning: unknown\[45.142.120.39\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 12:35:34 relay postfix/smtpd\[1378\]: warning: unknown\[45.142.120.39\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 12:35:52 relay postfix/smtpd\[5571\]: warning: unknown\[45.142.120.39\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

2020-10-04T10:43:17.609205shield sshd\[3143\]: Invalid user admin from 119.45.114.133 port 53998
2020-10-04T10:43:17.618578shield sshd\[3143\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.114.133
2020-10-04T10:43:19.233402shield sshd\[3143\]: Failed password for invalid user admin from 119.45.114.133 port 53998 ssh2
2020-10-04T10:47:13.481319shield sshd\[3396\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.114.133  user=root
2020-10-04T10:47:15.827976shield sshd\[3396\]: Failed password for root from 119.45.114.133 port 38006 ssh2

Oct  4 12:16:49 mellenthin sshd[7697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.245.202
Oct  4 12:16:51 mellenthin sshd[7697]: Failed password for invalid user henry from 118.89.245.202 port 42908 ssh2

 TCP (SYN) 37.152.165.106:20692 -> port 8080, len 44

Invalid user tomcat9 from 68.183.93.110 port 34522

 TCP (SYN) 119.164.11.223:12535 -> port 23, len 44

Automatic report - Banned IP Access

Oct  4 12:22:25 web-main sshd[1841823]: Invalid user appadmin from 103.243.252.244 port 52626
Oct  4 12:22:26 web-main sshd[1841823]: Failed password for invalid user appadmin from 103.243.252.244 port 52626 ssh2
Oct  4 12:25:26 web-main sshd[1842188]: Invalid user radius from 103.243.252.244 port 35135

Found on   CINS badguys     / proto=6  .  srcport=16352  .  dstport=9195  .     (121)

Oct  4 10:19:37 web8 sshd\[5228\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.180.102.108  user=root
Oct  4 10:19:38 web8 sshd\[5228\]: Failed password for root from 187.180.102.108 port 41192 ssh2
Oct  4 10:22:41 web8 sshd\[6643\]: Invalid user jenkins from 187.180.102.108
Oct  4 10:22:41 web8 sshd\[6643\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.180.102.108
Oct  4 10:22:43 web8 sshd\[6643\]: Failed password for invalid user jenkins from 187.180.102.108 port 57284 ssh2

Oct  4 12:42:35 abendstille sshd\[28909\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.57  user=root
Oct  4 12:42:37 abendstille sshd\[28909\]: Failed password for root from 222.186.42.57 port 46338 ssh2
Oct  4 12:42:39 abendstille sshd\[28909\]: Failed password for root from 222.186.42.57 port 46338 ssh2
Oct  4 12:42:41 abendstille sshd\[28909\]: Failed password for root from 222.186.42.57 port 46338 ssh2
Oct  4 12:42:51 abendstille sshd\[29116\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.57  user=root
...