Mar 27 14:24:25 mail.srvfarm.net postfix/smtpd[3918878]: NOQUEUE: reject: RCPT from joke.swingthelamp.com[69.94.158.119]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:24:25 mail.srvfarm.net postfix/smtpd[3918862]: NOQUEUE: reject: RCPT from joke.swingthelamp.com[69.94.158.119]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:24:33 mail.srvfarm.net postfix/smtpd[3901172]: NOQUEUE: reject: RCPT from joke.swingthelamp.com[69.94.158.119]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:24:43 mail.srvfarm.net postfix/smtpd[3918863]: NOQUEUE

SpamScore above: 10.0

Jun 22 14:41:26 mail.srvfarm.net postfix/smtpd[4156079]: NOQUEUE: reject: RCPT from medical.ifixheal.com[69.94.158.125]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 22 14:41:26 mail.srvfarm.net postfix/smtpd[4156127]: NOQUEUE: reject: RCPT from medical.ifixheal.com[69.94.158.125]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 22 14:41:26 mail.srvfarm.net postfix/smtpd[4152946]: NOQUEUE: reject: RCPT from unknown[69.94.158.125]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 22 14:41:27 mail.srvfarm.net postfix/smtpd[4152191]: NOQUEUE: reject: RCPT from u

Jun 17 05:24:07 web01.agentur-b-2.de postfix/smtpd[560626]: NOQUEUE: reject: RCPT from unknown[69.94.158.120]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun 17 05:27:51 web01.agentur-b-2.de postfix/smtpd[560626]: NOQUEUE: reject: RCPT from unknown[69.94.158.120]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun 17 05:27:58 web01.agentur-b-2.de postfix/smtpd[562233]: NOQUEUE: reject: RCPT from unknown[69.94.158.120]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun 17 05:28:11 web01.agentur-b-2.de postfix/smtpd[560625]: NOQUEUE: reject: RCPT from unknown[69.94.158.120]: 45

Jun  8 05:42:37 mail.srvfarm.net postfix/smtpd[671306]: NOQUEUE: reject: RCPT from unknown[69.94.158.91]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  8 05:43:10 mail.srvfarm.net postfix/smtpd[673032]: NOQUEUE: reject: RCPT from unknown[69.94.158.91]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  8 05:43:34 mail.srvfarm.net postfix/smtpd[673035]: NOQUEUE: reject: RCPT from unknown[69.94.158.91]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  8 05:46:47 mail.srvfarm.net postfix/smtpd[671463]: NOQUEUE: reject: RCPT from unknown[69.94.158.91]: 450 4.1.8 

Jun  5 15:31:48 mail.srvfarm.net postfix/smtpd[3113570]: NOQUEUE: reject: RCPT from unknown[69.94.158.78]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 15:32:18 mail.srvfarm.net postfix/smtpd[3109485]: NOQUEUE: reject: RCPT from unknown[69.94.158.78]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 15:32:26 mail.srvfarm.net postfix/smtpd[3109485]: NOQUEUE: reject: RCPT from unknown[69.94.158.78]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 15:36:04 mail.srvfarm.net postfix/smtpd[3113153]: NOQUEUE: reject: RCPT from unknown[69.94.158.78]: 450 4.1.8 

Jun  5 17:35:49 mail.srvfarm.net postfix/smtpd[3156527]: NOQUEUE: reject: RCPT from unknown[69.94.158.83]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 17:36:02 mail.srvfarm.net postfix/smtpd[3151339]: NOQUEUE: reject: RCPT from unknown[69.94.158.83]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 17:38:26 mail.srvfarm.net postfix/smtpd[3155924]: NOQUEUE: reject: RCPT from unknown[69.94.158.83]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 17:42:09 mail.srvfarm.net postfix/smtpd[3156526]: NOQUEUE: reject: RCPT from unknown[69.94.158.83]: 450 4.1.8 : Send

Jun  4 13:33:39 web01.agentur-b-2.de postfix/smtpd[178713]: NOQUEUE: reject: RCPT from unknown[69.94.158.116]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  4 13:35:57 web01.agentur-b-2.de postfix/smtpd[177278]: NOQUEUE: reject: RCPT from unknown[69.94.158.116]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  4 13:36:10 web01.agentur-b-2.de postfix/smtpd[177278]: NOQUEUE: reject: RCPT from unknown[69.94.158.116]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  4 13:40:07 web01.agentur-b-2.de postfix/smtpd[181736]: NOQUEUE: reject: RCPT from unknown[69.94.158.116]: 450 4.7.1 : He

Jun  1 13:36:25 mail.srvfarm.net postfix/smtpd[577447]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 554 5.7.1 Service unavailable; Client host [69.94.158.68] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Jun  1 13:36:54 mail.srvfarm.net postfix/smtpd[576967]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 554 5.7.1 Service unavailable; Client host [69.94.158.68] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Jun  1 13:36:59 mail.srvfarm.net postfix/smtpd[576966]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 554 5.7.1 Service unavailable; Client host [69.94.158.68] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

May 24 05:02:36 web01.agentur-b-2.de postfix/smtpd[509182]: NOQUEUE: reject: RCPT from unknown[69.94.158.92]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 24 05:05:46 web01.agentur-b-2.de postfix/smtpd[507167]: NOQUEUE: reject: RCPT from unknown[69.94.158.92]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 24 05:10:08 web01.agentur-b-2.de postfix/smtpd[502191]: NOQUEUE: reject: RCPT from unknown[69.94.158.92]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 24 05:12:05 web01.agentur-b-2.de postfix/smtpd[502191]: NOQUEUE: reject: RCPT from unknown[69.94.158.92]: 450 4.7.1 : Helo command rejected: Host

Email Spam

Apr 30 22:24:29 web01.agentur-b-2.de postfix/smtpd[308782]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 30 22:25:27 web01.agentur-b-2.de postfix/smtpd[311470]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 30 22:27:15 web01.agentur-b-2.de postfix/smtpd[314121]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 30 22:28:36 web01.agentur-b-2.de postfix/smtpd[311518]: NOQUEUE: reject: RCPT from unknown[69.94.158.68]: 450 4.7.1 : Helo command rejected: Host n

Apr 29 14:28:32 mail.srvfarm.net postfix/smtpd[166895]: NOQUEUE: reject: RCPT from unknown[69.94.158.86]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 29 14:30:31 mail.srvfarm.net postfix/smtpd[148816]: NOQUEUE: reject: RCPT from unknown[69.94.158.86]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 29 14:31:05 mail.srvfarm.net postfix/smtpd[169893]: NOQUEUE: reject: RCPT from unknown[69.94.158.86]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 29 14:31:29 mail.srvfarm.net postfix/smtpd[169892]: NOQUEUE: reject: RCPT from unknown[69.94.158.86]: 450 4.1.8 : Sender add

2020-04-25 1jSBUh-00034G-NK H=medical.ifixheal.com \(medical.porkaspk.com\) \[69.94.158.125\] rejected **REMOVED** : REJECTED - You seem to be a spammer!
2020-04-25 1jSCC3-00038E-DK H=medical.ifixheal.com \(medical.porkaspk.com\) \[69.94.158.125\] rejected **REMOVED** : REJECTED - You seem to be a spammer!
2020-04-25 1jSCC3-00038F-DK H=medical.ifixheal.com \(medical.porkaspk.com\) \[69.94.158.125\] rejected **REMOVED** : REJECTED - You seem to be a spammer!

Apr 23 10:12:23 web01.agentur-b-2.de postfix/smtpd[128143]: NOQUEUE: reject: RCPT from unknown[69.94.158.98]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 23 10:13:59 web01.agentur-b-2.de postfix/smtpd[131327]: NOQUEUE: reject: RCPT from unknown[69.94.158.98]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 23 10:15:25 web01.agentur-b-2.de postfix/smtpd[128143]: NOQUEUE: reject: RCPT from unknown[69.94.158.98]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 23 10:16:17 web01.agentur-b-2.de postfix/smtpd[128143]: NOQUEUE: reject: RCPT from unknown[69.94.158.98]: 450

Apr 22 22:41:32 mail.srvfarm.net postfix/smtpd[3565326]: NOQUEUE: reject: RCPT from unknown[69.94.158.117]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 22 22:41:32 mail.srvfarm.net postfix/smtpd[3564410]: NOQUEUE: reject: RCPT from unknown[69.94.158.117]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 22 22:41:32 mail.srvfarm.net postfix/smtpd[3565329]: NOQUEUE: reject: RCPT from unknown[69.94.158.117]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 22 22:41:32 mail.srvfar

SSH auth scanning - multiple failed logins

$f2bV_matches

pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.214.220.227  user=root
Failed password for root from 1.214.220.227 port 37929 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.214.220.227  user=root
Failed password for root from 1.214.220.227 port 53251 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.214.220.227  user=root

Unauthorized connection attempt detected from IP address 213.55.90.49 to port 445

Unauthorized connection attempt detected from IP address 223.205.243.72 to port 445

Mar 18 09:41:07 hosting sshd[6633]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.159.147.35  user=root
Mar 18 09:41:10 hosting sshd[6633]: Failed password for root from 211.159.147.35 port 38394 ssh2
...

Automatic report - Port Scan Attack

Mar 18 04:52:07 debian-2gb-nbg1-2 kernel: \[6762639.931403\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.153.45.174 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=52 ID=236 PROTO=TCP SPT=42586 DPT=23 WINDOW=2781 RES=0x00 SYN URGP=0

Invalid user lxd from 134.175.60.216 port 35286

...

Repeated brute force against a port

2020-03-18T06:05:24.398679abusebot-7.cloudsearch.cf sshd[9181]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.178  user=root
2020-03-18T06:05:26.060708abusebot-7.cloudsearch.cf sshd[9181]: Failed password for root from 117.55.241.178 port 47218 ssh2
2020-03-18T06:08:50.516386abusebot-7.cloudsearch.cf sshd[9428]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.178  user=root
2020-03-18T06:08:53.124067abusebot-7.cloudsearch.cf sshd[9428]: Failed password for root from 117.55.241.178 port 39609 ssh2
2020-03-18T06:12:04.134435abusebot-7.cloudsearch.cf sshd[9595]: Invalid user speech-dispatcher from 117.55.241.178 port 41316
2020-03-18T06:12:04.139987abusebot-7.cloudsearch.cf sshd[9595]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.178
2020-03-18T06:12:04.134435abusebot-7.cloudsearch.cf sshd[9595]: Invalid user speech-dispatcher from 1
...

[Wed Mar 18 11:56:23.095711 2020] [:error] [pid 7194:tid 139937944954624] [client 5.45.207.74:40273] [client 5.45.207.74] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XnGp9yDR2vdY1fmOmBU-ZQAAADg"]
...

Mar 18 01:26:51 askasleikir sshd[184418]: Failed password for root from 138.68.44.236 port 36494 ssh2
Mar 18 01:44:39 askasleikir sshd[185162]: Failed password for root from 138.68.44.236 port 44284 ssh2
Mar 18 01:37:49 askasleikir sshd[184869]: Failed password for root from 138.68.44.236 port 51098 ssh2

Brute force attempt