Jun  2 13:46:57 mail.srvfarm.net postfix/smtpd[1211070]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:46:58 mail.srvfarm.net postfix/smtpd[1209266]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:47:19 mail.srvfarm.net postfix/smtpd[1203832]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:48:06 mail.srvfarm.net postfix/smtpd[1211325]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 

Jun  5 16:34:11 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:34:16 mail.srvfarm.net postfix/smtpd[3129284]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:34:17 mail.srvfarm.net postfix/smtpd[3129250]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:40:00 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 :

Jun  5 18:39:26 mail.srvfarm.net postfix/smtpd[3176698]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177811]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177812]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177813]: NOQUEUE: reject: RCPT from unknown[69.94.135

Jun  1 14:44:00 mail.srvfarm.net postfix/smtpd[596959]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:08 mail.srvfarm.net postfix/smtpd[596422]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:13 mail.srvfarm.net postfix/smtpd[596965]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:47 mail.srvfarm.net postfix/smtpd[596955]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address r

May 25 13:33:01 mail.srvfarm.net postfix/smtpd[234571]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:33:37 mail.srvfarm.net postfix/smtpd[235744]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:41:34 mail.srvfarm.net postfix/smtpd[235739]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:41:50 mail.srvfarm.net postfix/smtpd[244198]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 

May 16 22:16:33 mail.srvfarm.net postfix/smtpd[2812805]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812174]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812804]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812792]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.

Email Spam

Apr 30 22:45:00 mail.srvfarm.net postfix/smtpd[780204]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:48:12 mail.srvfarm.net postfix/smtpd[780202]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:50:44 mail.srvfarm.net postfix/smtpd[780207]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:52:27 mail.srvfarm.net postfix/smtpd[7737

Apr 23 10:22:32 mail.srvfarm.net postfix/smtpd[3842038]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:23:38 mail.srvfarm.net postfix/smtpd[3840616]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:24:10 mail.srvfarm.net postfix/smtpd[3831317]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:24:46 mail.srvfarm.net postfix/smtpd[3840615]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1

Apr 22 05:23:34 web01.agentur-b-2.de postfix/smtpd[67232]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 22 05:24:27 web01.agentur-b-2.de postfix/smtpd[70916]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 554 5.7.1 Service unavailable; Client host [69.94.135.193] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr 22 05:24:49 web01.agentur-b-2.de postfix/smtpd[67186]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 22 05:30:13 web

Apr 21 05:30:35 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:31:16 web01.agentur-b-2.de postfix/smtpd[1804130]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:32:50 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:39:31 web01.agentur-b-2.de postfix/smtpd[1805328]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejec

Apr 20 22:35:52 mail.srvfarm.net postfix/smtpd[2306699]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from= to= proto=ESMTP helo=
Apr 20 22:36:24 mail.srvfarm.net postfix/smtpd[2306699]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from= to= proto=ESMTP helo=
Apr 20 22:36:25 mail.srvfarm.net postfix/smtpd[2307048]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from=

Apr 19 05:30:22 web01.agentur-b-2.de postfix/smtpd[70375]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:32:48 web01.agentur-b-2.de postfix/smtpd[69236]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:35:08 web01.agentur-b-2.de postfix/smtpd[69236]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:36:57 web01.agentur-b-2.de postfix/smtpd[72153]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.14

Apr 18 05:31:11 mail.srvfarm.net postfix/smtpd[3928349]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:31:36 mail.srvfarm.net postfix/smtpd[3924176]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:32:00 mail.srvfarm.net postfix/smtpd[3928236]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:34:36 mail.srvfarm.net postfix/smtpd[3926439]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender a

Apr 17 05:31:24 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:31:58 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:32:16 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:33:03 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host n

Apr 16 05:25:29 mail.srvfarm.net postfix/smtpd[2643432]: NOQUEUE: reject: RCPT from unknown[69.94.135.156]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 16 05:28:57 mail.srvfarm.net postfix/smtpd[2662491]: NOQUEUE: reject: RCPT from unknown[69.94.135.156]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 16 05:30:01 mail.srvfarm.net postfix/smtpd[2662491]: NOQUEUE: reject: RCPT from unknown[69.94.135.156]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 16 05:30:16 mail.srvfarm.net postfix

Apr 28 07:41:13 vps647732 sshd[23034]: Failed password for root from 66.23.225.239 port 59978 ssh2
...

Brute-force general attack.

Apr 28 06:45:39 web01.agentur-b-2.de postfix/smtps/smtpd[538367]: lost connection after CONNECT from unknown[78.128.113.75]
Apr 28 06:45:43 web01.agentur-b-2.de postfix/smtps/smtpd[538372]: lost connection after CONNECT from unknown[78.128.113.75]
Apr 28 06:45:45 web01.agentur-b-2.de postfix/smtps/smtpd[538365]: lost connection after CONNECT from unknown[78.128.113.75]
Apr 28 06:45:48 web01.agentur-b-2.de postfix/smtps/smtpd[538367]: lost connection after CONNECT from unknown[78.128.113.75]
Apr 28 06:45:56 web01.agentur-b-2.de postfix/smtps/smtpd[538365]: lost connection after CONNECT from unknown[78.128.113.75]

Apr 28 06:44:37 pkdns2 sshd\[2640\]: Invalid user smbguest from 54.37.156.188Apr 28 06:44:39 pkdns2 sshd\[2640\]: Failed password for invalid user smbguest from 54.37.156.188 port 44244 ssh2Apr 28 06:48:25 pkdns2 sshd\[2814\]: Invalid user niv from 54.37.156.188Apr 28 06:48:27 pkdns2 sshd\[2814\]: Failed password for invalid user niv from 54.37.156.188 port 49815 ssh2Apr 28 06:52:06 pkdns2 sshd\[2997\]: Invalid user test from 54.37.156.188Apr 28 06:52:08 pkdns2 sshd\[2997\]: Failed password for invalid user test from 54.37.156.188 port 55386 ssh2
...

Apr 28 03:00:32 firewall sshd[13124]: Failed password for invalid user bo from 188.166.237.191 port 42428 ssh2
Apr 28 03:04:31 firewall sshd[13207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.237.191  user=root
Apr 28 03:04:32 firewall sshd[13207]: Failed password for root from 188.166.237.191 port 44582 ssh2
...

(sshd) Failed SSH login from 175.6.0.190 (CN/China/-): 5 in the last 3600 secs

Apr 28 05:51:39 plex sshd[29497]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.91.102  user=root
Apr 28 05:51:41 plex sshd[29497]: Failed password for root from 106.12.91.102 port 39992 ssh2

Apr 28 06:18:22 ns382633 sshd\[10572\]: Invalid user harvard from 137.135.212.20 port 58704
Apr 28 06:18:22 ns382633 sshd\[10572\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.135.212.20
Apr 28 06:18:24 ns382633 sshd\[10572\]: Failed password for invalid user harvard from 137.135.212.20 port 58704 ssh2
Apr 28 06:59:12 ns382633 sshd\[19467\]: Invalid user hb from 137.135.212.20 port 36312
Apr 28 06:59:12 ns382633 sshd\[19467\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.135.212.20

multiple spam form submissions

Apr 28 13:49:21 webhost01 sshd[11159]: Failed password for root from 218.92.0.165 port 5321 ssh2
Apr 28 13:49:34 webhost01 sshd[11159]: error: maximum authentication attempts exceeded for root from 218.92.0.165 port 5321 ssh2 [preauth]
...

Port Scan

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

" "

2020-04-28T03:46:35.340811abusebot-5.cloudsearch.cf sshd[6304]: Invalid user spc from 58.37.214.154 port 57439
2020-04-28T03:46:35.346605abusebot-5.cloudsearch.cf sshd[6304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.37.214.154
2020-04-28T03:46:35.340811abusebot-5.cloudsearch.cf sshd[6304]: Invalid user spc from 58.37.214.154 port 57439
2020-04-28T03:46:37.072226abusebot-5.cloudsearch.cf sshd[6304]: Failed password for invalid user spc from 58.37.214.154 port 57439 ssh2
2020-04-28T03:51:47.432053abusebot-5.cloudsearch.cf sshd[6325]: Invalid user sai from 58.37.214.154 port 58025
2020-04-28T03:51:47.439433abusebot-5.cloudsearch.cf sshd[6325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.37.214.154
2020-04-28T03:51:47.432053abusebot-5.cloudsearch.cf sshd[6325]: Invalid user sai from 58.37.214.154 port 58025
2020-04-28T03:51:50.333828abusebot-5.cloudsearch.cf sshd[6325]: Failed password for inva
...

IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/74.208.197.169/ 
 
 DE - 1H : (2)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : DE 
 NAME ASN : ASN8560 
 
 IP : 74.208.197.169 
 
 CIDR : 74.208.0.0/16 
 
 PREFIX COUNT : 67 
 
 UNIQUE IP COUNT : 542720 
 
 
 ATTACKS DETECTED ASN8560 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 2 
 
 DateTime : 2020-04-28 08:48:00 
 
 INFO : Looking for resource vulnerabilities 403 Detected and Blocked by ADMIN  - data recovery