Jun 10 05:40:34 mail.srvfarm.net postfix/smtpd[2068244]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 10 05:41:13 mail.srvfarm.net postfix/smtpd[2068037]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 10 05:44:06 mail.srvfarm.net postfix/smtpd[2068244]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 10 05:44:51 mail.srvfarm.net postfix/smtpd[2067986]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender addr

Jun  5 17:26:18 web01.agentur-b-2.de postfix/smtpd[255076]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  5 17:26:18 web01.agentur-b-2.de postfix/smtpd[256572]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  5 17:29:00 web01.agentur-b-2.de postfix/smtpd[256572]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  5 17:34:35 web01.agentur-b-2.de postfix/smtpd[255076]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 

Jun  5 16:37:47 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:42:01 mail.srvfarm.net postfix/smtpd[3132026]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:44:00 mail.srvfarm.net postfix/smtpd[3129250]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:46:39 mail.srvfarm.net postfix/smtpd[3132026]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 

Postfix RBL failed

Jun  4 14:42:25 mail.srvfarm.net postfix/smtpd[2524285]: NOQUEUE: reject: RCPT from discover.jdmbrosllc.com[63.82.48.233]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  4 14:42:46 mail.srvfarm.net postfix/smtpd[2523659]: NOQUEUE: reject: RCPT from discover.jdmbrosllc.com[63.82.48.233]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  4 14:43:25 mail.srvfarm.net postfix/smtpd[2523656]: NOQUEUE: reject: RCPT from discover.jdmbrosllc.com[63.82.48.233]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  4 14:43:48 mail.srvfarm.net postfix/smtpd[2523330]: NOQUEUE: reject: RCPT from d

Jun  1 13:37:52 web01.agentur-b-2.de postfix/smtpd[592715]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  1 13:38:06 web01.agentur-b-2.de postfix/smtpd[591656]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  1 13:38:09 web01.agentur-b-2.de postfix/smtpd[592715]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  1 13:40:53 web01.agentur-b-2.de postfix/smtpd[592715]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rej

May 20 01:33:40 web01.agentur-b-2.de postfix/smtpd[459681]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 20 01:37:38 web01.agentur-b-2.de postfix/smtpd[461049]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 20 01:38:17 web01.agentur-b-2.de postfix/smtpd[459681]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 20 01:43:33 web01.agentur-b-2.de postfix/smtpd[459681]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 

2020-05-10 H=pie.jdmbrosllc.com \(pie.ailacabs.com\) \[63.82.48.241\] F=\ rejected RCPT \<**REMOVED**_perl.org@**REMOVED**.de\>: Mail not accepted. 63.82.48.241 is listed at a DNSBL.
2020-05-10 H=pie.jdmbrosllc.com \(pie.ailacabs.com\) \[63.82.48.241\] F=\ rejected RCPT \<**REMOVED****REMOVED**perl.org@**REMOVED**.de\>: recipient blacklisted
2020-05-10 H=pie.jdmbrosllc.com \(pie.ailacabs.com\) \[63.82.48.241\] F=\ rejected RCPT \<**REMOVED**_last.fm@**REMOVED**.de\>: Mail not accepted. 63.82.48.241 is listed at a DNSBL.

May  5 06:30:37 web01.agentur-b-2.de postfix/smtpd[87093]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  5 06:31:21 web01.agentur-b-2.de postfix/smtpd[87093]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  5 06:33:34 web01.agentur-b-2.de postfix/smtpd[87277]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  5 06:35:42 web01.agentur-b-2.de postfix/smtpd[87093]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; f

May  2 05:34:14 web01.agentur-b-2.de postfix/smtpd[976469]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  2 05:34:15 web01.agentur-b-2.de postfix/smtpd[976089]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  2 05:35:52 web01.agentur-b-2.de postfix/smtpd[978764]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  2 05:39:08 web01.agentur-b-2.de postfix/smtpd[983789]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected:

May  1 15:00:00 mail.srvfarm.net postfix/smtpd[1274237]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May  1 15:00:36 mail.srvfarm.net postfix/smtpd[1274215]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May  1 15:00:40 mail.srvfarm.net postfix/smtpd[1274325]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May  1 15:01:29 mail.srvfarm.net postfix/smtpd[1271594]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 

Apr 30 22:31:47 mail.srvfarm.net postfix/smtpd[773728]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:33:11 mail.srvfarm.net postfix/smtpd[773728]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:33:19 mail.srvfarm.net postfix/smtpd[777594]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:34:05 mail.srvfarm.net postfix/smtpd[778258]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender addres

Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1084617]: NOQUEUE: reject: RCPT from unknown[63.82.48.203]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1084901]: NOQUEUE: reject: RCPT from unknown[63.82.48.203]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1089891]: NOQUEUE: reject: RCPT from unknown[63.82.48.203]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1089892]: NOQUEUE: reject: RCPT from unknown[63.82.

Apr 25 05:49:59 mail.srvfarm.net postfix/smtpd[854255]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:50:00 mail.srvfarm.net postfix/smtpd[854253]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:50:00 mail.srvfarm.net postfix/smtpd[854252]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:50:14 mail.srvfarm.net postfix/smtpd[853297]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4

Apr 24 05:31:51 web01.agentur-b-2.de postfix/smtpd[499241]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 24 05:35:28 web01.agentur-b-2.de postfix/smtpd[499263]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 24 05:35:51 web01.agentur-b-2.de postfix/smtpd[497817]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 24 05:36:27 web01.agentur-b-2.de postfix/smtpd[500606]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host no

firewall-block, port(s): 3504/tcp, 3506/tcp, 3526/tcp, 3530/tcp, 3534/tcp

Oct 16 08:20:56 firewall sshd[21159]: Failed password for invalid user majordom from 80.255.130.197 port 33359 ssh2
Oct 16 08:25:16 firewall sshd[21310]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.255.130.197  user=root
Oct 16 08:25:18 firewall sshd[21310]: Failed password for root from 80.255.130.197 port 52770 ssh2
...

Oct 16 13:04:57 microserver sshd[50282]: Invalid user valda from 103.232.120.109 port 37382
Oct 16 13:04:57 microserver sshd[50282]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.232.120.109
Oct 16 13:05:00 microserver sshd[50282]: Failed password for invalid user valda from 103.232.120.109 port 37382 ssh2
Oct 16 13:14:26 microserver sshd[51640]: Invalid user admin from 103.232.120.109 port 43084
Oct 16 13:14:26 microserver sshd[51640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.232.120.109
Oct 16 13:29:05 microserver sshd[53692]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.232.120.109  user=root
Oct 16 13:29:08 microserver sshd[53692]: Failed password for root from 103.232.120.109 port 48452 ssh2
Oct 16 13:34:03 microserver sshd[54388]: Invalid user jeffs from 103.232.120.109 port 59654
Oct 16 13:34:03 microserver sshd[54388]: pam_unix(sshd:auth): authentication failu

WordPress login Brute force / Web App Attack on client site.

Autoban   77.241.192.26 AUTH/CONNECT

Fail2Ban Ban Triggered

Oct 16 13:25:09 vpn01 sshd[4654]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.81.250.132
Oct 16 13:25:11 vpn01 sshd[4654]: Failed password for invalid user admin from 172.81.250.132 port 45144 ssh2
...

SSH/22 MH Probe, BF, Hack -

Unauthorised access (Oct 16) SRC=114.169.225.161 LEN=40 TOS=0x10 PREC=0x40 TTL=47 ID=52843 TCP DPT=8080 WINDOW=24010 SYN

RDP Bruteforce

*Port Scan* detected from 81.22.45.165 (RU/Russia/-). 4 hits in the last 200 seconds

Oct 16 13:47:54 MainVPS sshd[15803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.8  user=root
Oct 16 13:47:56 MainVPS sshd[15803]: Failed password for root from 222.186.180.8 port 62794 ssh2
Oct 16 13:48:13 MainVPS sshd[15803]: error: maximum authentication attempts exceeded for root from 222.186.180.8 port 62794 ssh2 [preauth]
Oct 16 13:47:54 MainVPS sshd[15803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.8  user=root
Oct 16 13:47:56 MainVPS sshd[15803]: Failed password for root from 222.186.180.8 port 62794 ssh2
Oct 16 13:48:13 MainVPS sshd[15803]: error: maximum authentication attempts exceeded for root from 222.186.180.8 port 62794 ssh2 [preauth]
Oct 16 13:48:21 MainVPS sshd[15835]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.8  user=root
Oct 16 13:48:23 MainVPS sshd[15835]: Failed password for root from 222.186.180.8 port 64218 ssh2
...

Oct 16 01:38:09 kapalua sshd\[26911\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94-21-243-204.static.digikabel.hu  user=root
Oct 16 01:38:12 kapalua sshd\[26911\]: Failed password for root from 94.21.243.204 port 43901 ssh2
Oct 16 01:42:45 kapalua sshd\[27390\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94-21-243-204.static.digikabel.hu  user=root
Oct 16 01:42:46 kapalua sshd\[27390\]: Failed password for root from 94.21.243.204 port 36746 ssh2
Oct 16 01:47:30 kapalua sshd\[27789\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94-21-243-204.static.digikabel.hu  user=root

Oct 16 11:53:46 venus sshd\[9036\]: Invalid user rsync from 18.139.97.31 port 55610
Oct 16 11:53:46 venus sshd\[9036\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=18.139.97.31
Oct 16 11:53:48 venus sshd\[9036\]: Failed password for invalid user rsync from 18.139.97.31 port 55610 ssh2
...

Oct 16 11:16:46 venus sshd\[8333\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.235.208  user=root
Oct 16 11:16:47 venus sshd\[8333\]: Failed password for root from 45.55.235.208 port 57934 ssh2
Oct 16 11:25:12 venus sshd\[8493\]: Invalid user ji from 45.55.235.208 port 40856
...