\[2019-11-15 02:36:12\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-15T02:36:12.424-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0540048422069025",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.7/65282",ACLName="no_extension_match"
\[2019-11-15 02:38:58\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-15T02:38:58.764-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0560048422069025",SessionID="0x7fdf2c5f6d28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.7/56992",ACLName="no_extension_match"
\[2019-11-15 02:41:51\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-15T02:41:51.568-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0570048422069025",SessionID="0x7fdf2c5fd9f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.7/50017",ACLName="no_ext

Trying ports that it shouldn't be.

VoIP Brute Force - 212.83.170.21 - Auto Report
...

\[2019-08-30 01:47:52\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2959' - Wrong password
\[2019-08-30 01:47:52\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-30T01:47:52.442-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4461",SessionID="0x7f7b30015728",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/49939",Challenge="0ffd188c",ReceivedChallenge="0ffd188c",ReceivedHash="d8b5c564694403a22fc491151bb84e3a"
\[2019-08-30 01:49:37\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2951' - Wrong password
\[2019-08-30 01:49:37\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-30T01:49:37.589-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="465",SessionID="0x7f7b30d66ff8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21

\[2019-08-29 17:14:58\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2902' - Wrong password
\[2019-08-29 17:14:58\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T17:14:58.042-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5313",SessionID="0x7f7b30db7498",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/59171",Challenge="3c3bb786",ReceivedChallenge="3c3bb786",ReceivedHash="2a9429986f27f4cfda37f0a70735aaa0"
\[2019-08-29 17:16:39\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2968' - Wrong password
\[2019-08-29 17:16:39\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T17:16:39.949-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6483",SessionID="0x7f7b30462f68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.

\[2019-08-29 06:23:27\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2942' - Wrong password
\[2019-08-29 06:23:27\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T06:23:27.668-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9552",SessionID="0x7f7b3025d4e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/63491",Challenge="6a1c0424",ReceivedChallenge="6a1c0424",ReceivedHash="70e5134ab7863db95b2a86a1a0720d80"
\[2019-08-29 06:25:12\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2975' - Wrong password
\[2019-08-29 06:25:12\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T06:25:12.553-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9192",SessionID="0x7f7b3109e318",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.

\[2019-08-29 04:37:17\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2819' - Wrong password
\[2019-08-29 04:37:17\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T04:37:17.610-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1626",SessionID="0x7f7b30db7498",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/64403",Challenge="56de52eb",ReceivedChallenge="56de52eb",ReceivedHash="2ead7c5955e6281d101040754d11cb18"
\[2019-08-29 04:39:01\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2969' - Wrong password
\[2019-08-29 04:39:01\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T04:39:01.888-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2141",SessionID="0x7f7b30be0af8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.

\[2019-07-11 10:05:07\] NOTICE\[13443\] chan_sip.c: Registration from '"190"\' failed for '212.83.170.35:8408' - Wrong password
\[2019-07-11 10:05:07\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T10:05:07.631-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="190",SessionID="0x7f02f9572cd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.35/8408",Challenge="50d8a82a",ReceivedChallenge="50d8a82a",ReceivedHash="5a19f8cab3eed85f81518d564af6c610"
\[2019-07-11 10:05:25\] NOTICE\[13443\] chan_sip.c: Registration from '"190"\' failed for '212.83.170.35:8431' - Wrong password
\[2019-07-11 10:05:25\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T10:05:25.975-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="190",SessionID="0x7f02f8994028",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/21

\[2019-07-11 06:20:32\] NOTICE\[13443\] chan_sip.c: Registration from '"177"\' failed for '212.83.170.35:7354' - Wrong password
\[2019-07-11 06:20:32\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T06:20:32.101-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="177",SessionID="0x7f02f8994028",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.35/7354",Challenge="54d8d9ec",ReceivedChallenge="54d8d9ec",ReceivedHash="1e004c4a0436331483e0197cb8a4844f"
\[2019-07-11 06:22:46\] NOTICE\[13443\] chan_sip.c: Registration from '"176"\' failed for '212.83.170.35:7277' - Wrong password
\[2019-07-11 06:22:46\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T06:22:46.638-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="176",SessionID="0x7f02f8dab428",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/21

\[2019-07-09 21:14:14\] NOTICE\[13443\] chan_sip.c: Registration from '"106"\' failed for '212.83.170.35:6597' - Wrong password
\[2019-07-09 21:14:14\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-09T21:14:14.532-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="106",SessionID="0x7f02f8dab428",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.35/6597",Challenge="7c01e3cf",ReceivedChallenge="7c01e3cf",ReceivedHash="d0e209dc792d965b65610853db7b7457"
\[2019-07-09 21:21:05\] NOTICE\[13443\] chan_sip.c: Registration from '"108"\' failed for '212.83.170.35:6780' - Wrong password
\[2019-07-09 21:21:05\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-09T21:21:05.719-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="108",SessionID="0x7f02f8f2dd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/21

SASL broute force

Oct 17 07:44:41 h2177944 kernel: \[4167033.151028\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=92.119.160.107 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=12790 PROTO=TCP SPT=48828 DPT=11915 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 17 07:46:52 h2177944 kernel: \[4167164.090992\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=92.119.160.107 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=22112 PROTO=TCP SPT=48828 DPT=11714 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 17 07:47:16 h2177944 kernel: \[4167187.895464\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=92.119.160.107 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=39639 PROTO=TCP SPT=48828 DPT=12119 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 17 08:03:32 h2177944 kernel: \[4168163.726790\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=92.119.160.107 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=8460 PROTO=TCP SPT=48828 DPT=11568 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 17 08:08:03 h2177944 kernel: \[4168434.567889\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=92.119.160.107 DST=85.2

port scan and connect, tcp 23 (telnet)

Oct 16 22:50:34 mailman postfix/smtpd[9522]: NOQUEUE: reject: RCPT from unknown[179.52.21.11]: 554 5.7.1 Service unavailable; Client host [179.52.21.11] blocked using sbl-xbl.spamhaus.org; https://www.spamhaus.org/query/ip/179.52.21.11; from= to= proto=ESMTP helo=<[179.52.21.11]>
Oct 16 22:54:13 mailman postfix/smtpd[9612]: NOQUEUE: reject: RCPT from unknown[179.52.21.11]: 554 5.7.1 Service unavailable; Client host [179.52.21.11] blocked using sbl-xbl.spamhaus.org; https://www.spamhaus.org/query/ip/179.52.21.11; from= to= proto=ESMTP helo=<[179.52.21.11]>

Oct 17 07:09:18 www sshd\[21905\]: Failed password for root from 148.70.134.52 port 53136 ssh2Oct 17 07:14:22 www sshd\[21975\]: Invalid user \* from 148.70.134.52Oct 17 07:14:24 www sshd\[21975\]: Failed password for invalid user \* from 148.70.134.52 port 35430 ssh2
...

Oct 17 08:03:43 dedicated sshd[9299]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.57.248  user=root
Oct 17 08:03:45 dedicated sshd[9299]: Failed password for root from 51.15.57.248 port 60162 ssh2

Automatic report - Port Scan Attack

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/179.179.39.158/ 
 BR - 1H : (325)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : BR 
 NAME ASN : ASN18881 
 
 IP : 179.179.39.158 
 
 CIDR : 179.179.32.0/19 
 
 PREFIX COUNT : 938 
 
 UNIQUE IP COUNT : 4233472 
 
 
 WYKRYTE ATAKI Z ASN18881 :  
  1H - 5 
  3H - 14 
  6H - 17 
 12H - 22 
 24H - 43 
 
 DateTime : 2019-10-17 05:54:22 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

103.14.45.66 - - [17/Oct/2019:06:36:34 +0200] "GET /wp-login.php HTTP/1.1" 200 1237 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.14.45.66 - - [17/Oct/2019:06:36:35 +0200] "POST /wp-login.php HTTP/1.1" 200 1632 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.14.45.66 - - [17/Oct/2019:06:36:37 +0200] "GET /wp-login.php HTTP/1.1" 200 1237 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.14.45.66 - - [17/Oct/2019:06:36:37 +0200] "POST /wp-login.php HTTP/1.1" 200 1607 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.14.45.66 - - [17/Oct/2019:06:36:40 +0200] "GET /wp-login.php HTTP/1.1" 200 1237 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.14.45.66 - - [17/Oct/2019:06:36:41 +0200] "POST /wp-login.php HTTP/1.1" 200 1608 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...

Oct 16 19:21:37 hpm sshd\[3438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.12.43  user=root
Oct 16 19:21:39 hpm sshd\[3438\]: Failed password for root from 138.68.12.43 port 43734 ssh2
Oct 16 19:26:38 hpm sshd\[3832\]: Invalid user timemachine from 138.68.12.43
Oct 16 19:26:38 hpm sshd\[3832\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.12.43
Oct 16 19:26:41 hpm sshd\[3832\]: Failed password for invalid user timemachine from 138.68.12.43 port 54650 ssh2

$f2bV_matches

Oct 17 06:21:02 vps58358 sshd\[12163\]: Invalid user !@\#rnd$%\^ from 188.213.165.47Oct 17 06:21:04 vps58358 sshd\[12163\]: Failed password for invalid user !@\#rnd$%\^ from 188.213.165.47 port 43448 ssh2Oct 17 06:24:54 vps58358 sshd\[12180\]: Invalid user sane from 188.213.165.47Oct 17 06:24:55 vps58358 sshd\[12180\]: Failed password for invalid user sane from 188.213.165.47 port 53688 ssh2Oct 17 06:29:00 vps58358 sshd\[12214\]: Invalid user jyk from 188.213.165.47Oct 17 06:29:02 vps58358 sshd\[12214\]: Failed password for invalid user jyk from 188.213.165.47 port 35706 ssh2
...

Oct 14 23:31:34 iago sshd[13855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.185.106.195  user=r.r
Oct 14 23:31:36 iago sshd[13855]: Failed password for r.r from 110.185.106.195 port 57212 ssh2
Oct 14 23:31:36 iago sshd[13856]: Received disconnect from 110.185.106.195: 11: Bye Bye


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=110.185.106.195

Lines containing failures of 171.244.43.52
Oct 15 15:03:07 shared06 sshd[16529]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.244.43.52  user=r.r
Oct 15 15:03:09 shared06 sshd[16529]: Failed password for r.r from 171.244.43.52 port 45514 ssh2
Oct 15 15:03:10 shared06 sshd[16529]: Received disconnect from 171.244.43.52 port 45514:11: Bye Bye [preauth]
Oct 15 15:03:10 shared06 sshd[16529]: Disconnected from authenticating user r.r 171.244.43.52 port 45514 [preauth]
Oct 15 15:14:52 shared06 sshd[20255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.244.43.52  user=r.r
Oct 15 15:14:54 shared06 sshd[20255]: Failed password for r.r from 171.244.43.52 port 48875 ssh2
Oct 15 15:14:55 shared06 sshd[20255]: Received disconnect from 171.244.43.52 port 48875:11: Bye Bye [preauth]
Oct 15 15:14:55 shared06 sshd[20255]: Disconnected from authenticating user r.r 171.244.43.52 port 48875 [preauth........
------------------------------

0,36-05/06 [bc01/m03] concatform PostRequest-Spammer scoring: harare01_holz