Jan 17 16:06:59 debian-2gb-nbg1-2 kernel: \[1532912.042701\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=37.49.230.37 DST=195.201.40.59 LEN=440 TOS=0x00 PREC=0x00 TTL=54 ID=54329 DF PROTO=UDP SPT=5074 DPT=5060 LEN=420

\[2019-12-10 06:19:16\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-10T06:19:16.723-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011972594342633",SessionID="0x7f0fb43da1f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/58354",ACLName="no_extension_match"
\[2019-12-10 06:20:15\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-10T06:20:15.672-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011972594342633",SessionID="0x7f0fb458f7c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/56114",ACLName="no_extension_match"
\[2019-12-10 06:21:06\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-10T06:21:06.555-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="8011972594342633",SessionID="0x7f0fb458f7c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/49516",ACLName="no_exte

\[2019-12-03 14:00:38\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-03T14:00:38.580-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="001972567489939",SessionID="0x7f26c4ac39d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5074",ACLName="no_extension_match"
\[2019-12-03 14:05:04\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-03T14:05:04.239-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="1972567489939",SessionID="0x7f26c5edd138",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5070",ACLName="no_extension_match"
\[2019-12-03 14:09:56\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-03T14:09:56.435-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0011972567489939",SessionID="0x7f26c4840358",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5071",ACLName="no_extension_

\[2019-11-19 16:31:16\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-19T16:31:16.773-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011972567635857",SessionID="0x7fdf2cd5ce98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5070",ACLName="no_extension_match"
\[2019-11-19 16:35:46\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-19T16:35:46.887-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011972567635857",SessionID="0x7fdf2c574218",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5076",ACLName="no_extension_match"
\[2019-11-19 16:40:23\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-19T16:40:23.559-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="8011972567635857",SessionID="0x7fdf2cbd2a68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5074",ACLName="no_extensi

\[2019-11-16 13:51:09\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-16T13:51:09.543-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011972567635857",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5074",ACLName="no_extension_match"
\[2019-11-16 13:54:42\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-16T13:54:42.937-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011972567635857",SessionID="0x7fdf2cb1cef8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5071",ACLName="no_extension_match"
\[2019-11-16 13:58:16\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-16T13:58:16.710-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="8011972567635857",SessionID="0x7fdf2cb1f8c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.37/5071",ACLName="no_extensi

Bible

2020-10-13T06:44:21.356144news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
2020-10-13T06:44:25.395781news0 dovecot[21131]: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=, method=PLAIN, rip=37.49.230.238, lip=95.111.246.42, session=
2020-10-13T06:44:28.401407news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
...

2020-10-13T06:44:21.356144news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
2020-10-13T06:44:25.395781news0 dovecot[21131]: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=, method=PLAIN, rip=37.49.230.238, lip=95.111.246.42, session=
2020-10-13T06:44:28.401407news0 auth[956]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=37.49.230.238
...

Dovecot Invalid User Login Attempt.

"AmooT";tag=3533393765393339313363340132313832313335333935

\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.624+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffea08d88",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="096f171f",ReceivedChallenge="096f171f",ReceivedHash="b099bdfad5869da4ae2114a56a2b4299"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.759+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffeab8148",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="233a417c",ReceivedChallenge="233a417c",ReceivedHash="0017581d14759d4b5ad3a404ed924131"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.783+0200",Severity="Error",Service="SIP",EventVersion="2",Accoun
...

\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.624+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffea08d88",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="096f171f",ReceivedChallenge="096f171f",ReceivedHash="b099bdfad5869da4ae2114a56a2b4299"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.759+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="100",SessionID="0x7f0ffeab8148",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/37.49.230.126/5862",Challenge="233a417c",ReceivedChallenge="233a417c",ReceivedHash="0017581d14759d4b5ad3a404ed924131"
\[2020-10-02 15:01:13\] SECURITY\[6939\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-10-02T15:01:13.783+0200",Severity="Error",Service="SIP",EventVersion="2",Accoun
...

[N1.H1.VM1] Port Scanner Detected Blocked by UFW

SIP Server BruteForce Attack

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

[2020-09-30 18:00:12] NOTICE[1159][C-0000421d] chan_sip.c: Call from '' (37.49.230.201:64644) to extension '12526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:12] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:12.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="12526890745",SessionID="0x7fcaa045f8f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/64644",ACLName="no_extension_match"
[2020-09-30 18:00:26] NOTICE[1159][C-0000421f] chan_sip.c: Call from '' (37.49.230.201:57391) to extension '712526890745' rejected because extension not found in context 'public'.
[2020-09-30 18:00:26] SECURITY[1198] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-30T18:00:26.237-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="712526890745",SessionID="0x7fcaa04d8d08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.230.201/
...

Hellooo

Hellooo

Sep 28 15:49:19 : SSH login attempts with invalid user

Dovecot Invalid User Login Attempt.

ssh brute force

(From bullard.angelita75@hotmail.com) Hello

We provide great lists of free public proxy servers with different protocols to unblock contents, 
bypass restrictions or surf anonymously.
Enjoy the unique features that only our page have on all the internet.
All proxies work at the moment the list is updated.

MORE INFO HERE=>  https://bit.ly/2WcNAcu

Port probing on unauthorized port 445

failed loggin

$f2bV_matches

$f2bV_matches

May 22 07:12:59 meumeu sshd[8055]: Invalid user vqg from 120.92.91.176 port 63980
May 22 07:12:59 meumeu sshd[8055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.91.176 
May 22 07:12:59 meumeu sshd[8055]: Invalid user vqg from 120.92.91.176 port 63980
May 22 07:13:01 meumeu sshd[8055]: Failed password for invalid user vqg from 120.92.91.176 port 63980 ssh2
May 22 07:17:35 meumeu sshd[8662]: Invalid user yangshuang from 120.92.91.176 port 52926
May 22 07:17:35 meumeu sshd[8662]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.91.176 
May 22 07:17:35 meumeu sshd[8662]: Invalid user yangshuang from 120.92.91.176 port 52926
May 22 07:17:37 meumeu sshd[8662]: Failed password for invalid user yangshuang from 120.92.91.176 port 52926 ssh2
May 22 07:22:28 meumeu sshd[9263]: Invalid user szv from 120.92.91.176 port 41864
...

1590119851 - 05/22/2020 05:57:31 Host: 14.183.246.135/14.183.246.135 Port: 445 TCP Blocked

(pop3d) Failed POP3 login from 183.134.88.76 (CN/China/-): 10 in the last 3600 secs

May 22 06:04:06 sip sshd[357675]: Invalid user jjv from 115.231.156.236 port 45666
May 22 06:04:08 sip sshd[357675]: Failed password for invalid user jjv from 115.231.156.236 port 45666 ssh2
May 22 06:07:47 sip sshd[357702]: Invalid user cz from 115.231.156.236 port 40674
...

May 22 06:22:25 h2779839 sshd[26479]: Invalid user j from 86.248.56.103 port 55422
May 22 06:22:25 h2779839 sshd[26479]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=86.248.56.103
May 22 06:22:25 h2779839 sshd[26479]: Invalid user j from 86.248.56.103 port 55422
May 22 06:22:27 h2779839 sshd[26479]: Failed password for invalid user j from 86.248.56.103 port 55422 ssh2
May 22 06:28:20 h2779839 sshd[26577]: Invalid user hac from 86.248.56.103 port 59766
May 22 06:28:20 h2779839 sshd[26577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=86.248.56.103
May 22 06:28:20 h2779839 sshd[26577]: Invalid user hac from 86.248.56.103 port 59766
May 22 06:28:22 h2779839 sshd[26577]: Failed password for invalid user hac from 86.248.56.103 port 59766 ssh2
May 22 06:31:51 h2779839 sshd[26626]: Invalid user zxc from 86.248.56.103 port 38198
...

Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)

trying to access non-authorized port

Unauthorized connection attempt detected from IP address 185.234.219.108 to port 25