\[2019-10-30 08:20:25\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:25.529-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1791001018647127882",SessionID="0x7fdf2cd1cd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/53735",ACLName="no_extension_match"
\[2019-10-30 08:20:34\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:34.162-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1799618647127882",SessionID="0x7fdf2c7144f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/50383",ACLName="no_extension_match"
\[2019-10-30 08:20:38\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T08:20:38.493-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011018647127882",SessionID="0x7fdf2c745a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/63554",ACLName="no_e

\[2019-10-30 04:03:15\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:15.855-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176390018647127882",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/60928",ACLName="no_extension_match"
\[2019-10-30 04:03:21\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:21.953-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176490018647127882",SessionID="0x7fdf2cd1cd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/65124",ACLName="no_extension_match"
\[2019-10-30 04:03:28\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-30T04:03:28.278-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9176590018647127882",SessionID="0x7fdf2cae1298",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/52976",ACLNam

\[2019-10-29 04:16:59\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:16:59.656-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047187410018647127882",SessionID="0x7fdf2cc7a718",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/49584",ACLName="no_extension_match"
\[2019-10-29 04:17:05\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:17:05.790-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047185410018647127882",SessionID="0x7fdf2cccf908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/54083",ACLName="no_extension_match"
\[2019-10-29 04:17:11\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-29T04:17:11.997-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="99047184410018647127882",SessionID="0x7fdf2cc27d48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.81/6

\[2019-09-21 10:48:32\] NOTICE\[29653\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.81:50184' \(callid: 77174822-1309346008-1391373692\) - Failed to authenticate
\[2019-09-21 10:48:32\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-21T10:48:32.153+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="77174822-1309346008-1391373692",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.81/50184",Challenge="1569055712/c63deb322dea58b9ab7889fac6d36200",Response="531c392b7364222530ea16c7095ea3e1",ExpectedResponse=""
\[2019-09-21 10:48:32\] NOTICE\[7412\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.81:50184' \(callid: 77174822-1309346008-1391373692\) - Failed to authenticate
\[2019-09-21 10:48:32\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

MultiHost/MultiPort Probe, Scan, Hack -

\[2019-10-25 23:40:23\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:40:23.289-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="456456011972567202500",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/62040",ACLName="no_extension_match"
\[2019-10-25 23:43:00\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:43:00.183-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12332111972567202500",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/58745",ACLName="no_extension_match"
\[2019-10-25 23:45:25\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T23:45:25.814-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="1235401972567202500",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/145.239.0.76/57279",ACL

\[2019-09-21 01:16:28\] NOTICE\[28964\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:49244' \(callid: 2052651319-1545488846-1323134879\) - Failed to authenticate
\[2019-09-21 01:16:28\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-21T01:16:28.360+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="2052651319-1545488846-1323134879",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/49244",Challenge="1569021388/9708fec912cef4c7b5e47e0b2dfaae77",Response="f947cf3fa3601096fcb913b07f17169a",ExpectedResponse=""
\[2019-09-21 01:16:28\] NOTICE\[14660\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:49244' \(callid: 2052651319-1545488846-1323134879\) - Failed to authenticate
\[2019-09-21 01:16:28\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeRespo

\[2019-09-20 10:02:01\] NOTICE\[18654\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-20T10:02:01.804+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="565353943-1156003181-109101563",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58719",Challenge="1568966521/440db8c71a99b7d968b84654a6f36c28",Response="d9166415d33a177bcf43fb07661d6770",ExpectedResponse=""
\[2019-09-20 10:02:01\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58719' \(callid: 565353943-1156003181-109101563\) - Failed to authenticate
\[2019-09-20 10:02:01\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFail

\[2019-09-19 15:45:47\] NOTICE\[7412\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.66:56276' \(callid: 1097752430-134272716-183698984\) - Failed to authenticate
\[2019-09-19 15:45:47\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-19T15:45:47.552+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1097752430-134272716-183698984",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.66/56276",Challenge="1568900747/f02b12da0ed75713387b509517facc7c",Response="ede0c971ba7a367dbbdbe1938976153d",ExpectedResponse=""
\[2019-09-19 15:45:47\] NOTICE\[1168\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.66:56276' \(callid: 1097752430-134272716-183698984\) - Failed to authenticate
\[2019-09-19 15:45:47\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFaile

\[2019-09-19 12:44:16\] NOTICE\[24264\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58548' \(callid: 1747344148-452039810-1581798561\) - Failed to authenticate
\[2019-09-19 12:44:16\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2019-09-19T12:44:16.047+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="\",SessionID="1747344148-452039810-1581798561",LocalAddress="IPV4/UDP/188.40.118.248/5060",RemoteAddress="IPV4/UDP/145.239.0.72/58548",Challenge="1568889855/6202d82d009b5c04780cf2286bb46856",Response="3fdb5a388ffa152c3434fabad3d69387",ExpectedResponse=""
\[2019-09-19 12:44:16\] NOTICE\[9368\] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '\' failed for '145.239.0.72:58548' \(callid: 1747344148-452039810-1581798561\) - Failed to authenticate
\[2019-09-19 12:44:16\] SECURITY\[1715\] res_security_log.c: SecurityEvent="ChallengeResponseF

Invalid user odoo from 178.62.248.130 port 58986

Apr 14 05:50:14 [host] sshd[27760]: Invalid user m
Apr 14 05:50:14 [host] sshd[27760]: pam_unix(sshd:
Apr 14 05:50:16 [host] sshd[27760]: Failed passwor

2020-04-14T08:09:58.457454librenms sshd[24203]: Failed password for invalid user administrator from 94.191.50.57 port 43744 ssh2
2020-04-14T08:17:46.434662librenms sshd[25089]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.50.57  user=root
2020-04-14T08:17:48.437961librenms sshd[25089]: Failed password for root from 94.191.50.57 port 38636 ssh2
...

Dovecot Invalid User Login Attempt.

" "

WordPress wp-login brute force :: 110.54.232.168 0.108 BYPASS [14/Apr/2020:03:50:31  0000] [censored_2] "POST /wp-login.php HTTP/1.1" 200 2254 "https://[censored_2]/wp-login.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"

Apr 14 04:15:08 *** sshd[5104]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.120.187  user=r.r
Apr 14 04:15:11 *** sshd[5104]: Failed password for r.r from 206.189.120.187 port 47952 ssh2
Apr 14 04:15:11 *** sshd[5104]: Received disconnect from 206.189.120.187: 11: Bye Bye [preauth]
Apr 14 04:29:42 *** sshd[6916]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.120.187  user=r.r
Apr 14 04:29:43 *** sshd[6916]: Failed password for r.r from 206.189.120.187 port 50308 ssh2
Apr 14 04:29:43 *** sshd[6916]: Received disconnect from 206.189.120.187: 11: Bye Bye [preauth]
Apr 14 04:33:03 *** sshd[7663]: Invalid user ohio from 206.189.120.187
Apr 14 04:33:03 *** sshd[7663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.120.187 
Apr 14 04:33:05 *** sshd[7663]: Failed password for invalid user ohio from 206.189.120.187 port 59472 ssh2........
-------------------------------

[portscan] tcp/3389 [MS RDP]
*(RWIN=1024)(04141012)

$f2bV_matches

SMB Server BruteForce Attack

Apr 14 09:34:56 debian-2gb-nbg1-2 kernel: \[9108687.220033\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=180.166.141.58 DST=195.201.40.59 LEN=40 TOS=0x08 PREC=0x00 TTL=237 ID=55103 PROTO=TCP SPT=50029 DPT=46332 WINDOW=1024 RES=0x00 SYN URGP=0

Apr 14 12:51:05 gw1 sshd[13730]: Failed password for root from 49.88.112.111 port 36808 ssh2
...

firewall-block, port(s): 1433/tcp

Email rejected due to spam filtering

<6 unauthorized SSH connections