Sep  5 23:16:42 [snip] postfix/submission/smtpd[32736]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  5 23:17:25 [snip] postfix/submission/smtpd[32736]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  5 23:17:50 [snip] postfix/submission/smtpd[32736]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  5 23:18:25 [snip] postfix/submission/smtpd[32736]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Sep  5 23:19:03 [snip] postfix/submission/smtpd[32736]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6[...]

 TCP (SYN) 194.180.224.130:59361 -> port 22, len 44

Sep  5 16:40:42 ny01 sshd[14442]: Failed password for root from 103.146.63.44 port 59106 ssh2
Sep  5 16:44:01 ny01 sshd[14951]: Failed password for root from 103.146.63.44 port 50874 ssh2

Sep  5 19:09:49 haigwepa sshd[31910]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.171.52.251 
Sep  5 19:09:51 haigwepa sshd[31910]: Failed password for invalid user rajesh from 85.171.52.251 port 43332 ssh2
...

Sep  5 23:43:43 OPSO sshd\[4070\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.61  user=root
Sep  5 23:43:45 OPSO sshd\[4070\]: Failed password for root from 61.177.172.61 port 25609 ssh2
Sep  5 23:43:48 OPSO sshd\[4070\]: Failed password for root from 61.177.172.61 port 25609 ssh2
Sep  5 23:43:51 OPSO sshd\[4070\]: Failed password for root from 61.177.172.61 port 25609 ssh2
Sep  5 23:43:55 OPSO sshd\[4070\]: Failed password for root from 61.177.172.61 port 25609 ssh2

Port Scan
...

Sep  5 23:25:06 marvibiene sshd[28792]: Failed password for root from 222.186.175.182 port 26820 ssh2
Sep  5 23:25:09 marvibiene sshd[28792]: Failed password for root from 222.186.175.182 port 26820 ssh2

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

[2020-09-05 17:13:14] NOTICE[1194][C-00000f3f] chan_sip.c: Call from '' (45.143.223.106:63929) to extension '00441904911024' rejected because extension not found in context 'public'.
[2020-09-05 17:13:14] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-05T17:13:14.866-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441904911024",SessionID="0x7f2ddc0f4e48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.106/63929",ACLName="no_extension_match"
[2020-09-05 17:13:47] NOTICE[1194][C-00000f41] chan_sip.c: Call from '' (45.143.223.106:49698) to extension '011441904911024' rejected because extension not found in context 'public'.
[2020-09-05 17:13:47] SECURITY[1233] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-05T17:13:47.677-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011441904911024",SessionID="0x7f2ddc1b7848",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP
...

2020-09-05T21:16:22.792764server.espacesoutien.com sshd[30483]: Failed password for root from 218.92.0.212 port 65421 ssh2
2020-09-05T21:16:25.735008server.espacesoutien.com sshd[30483]: Failed password for root from 218.92.0.212 port 65421 ssh2
2020-09-05T21:16:28.957672server.espacesoutien.com sshd[30483]: Failed password for root from 218.92.0.212 port 65421 ssh2
2020-09-05T21:16:32.391861server.espacesoutien.com sshd[30483]: Failed password for root from 218.92.0.212 port 65421 ssh2
...

Sep  5 23:06:46 mail postfix/smtpd\[1456\]: warning: unknown\[89.248.171.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  5 23:07:51 mail postfix/smtpd\[1549\]: warning: unknown\[89.248.171.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  5 23:50:56 mail postfix/smtpd\[3368\]: warning: unknown\[89.248.171.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  5 23:51:35 mail postfix/smtpd\[3167\]: warning: unknown\[89.248.171.89\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

Sep  5 23:28:14 vps647732 sshd[10069]: Failed password for root from 222.186.169.194 port 51894 ssh2
Sep  5 23:28:18 vps647732 sshd[10069]: Failed password for root from 222.186.169.194 port 51894 ssh2
...

2020-09-05T19:47:18.991098mail.standpoint.com.ua sshd[27535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.75.240.13
2020-09-05T19:47:18.988298mail.standpoint.com.ua sshd[27535]: Invalid user kwinfo from 210.75.240.13 port 40258
2020-09-05T19:47:20.754640mail.standpoint.com.ua sshd[27535]: Failed password for invalid user kwinfo from 210.75.240.13 port 40258 ssh2
2020-09-05T19:51:55.538539mail.standpoint.com.ua sshd[28083]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.75.240.13  user=root
2020-09-05T19:51:57.663341mail.standpoint.com.ua sshd[28083]: Failed password for root from 210.75.240.13 port 43752 ssh2
...

[Sun Sep 06 03:13:25.153543 2020] [:error] [pid 2754:tid 140397330274048] [client 165.90.3.122:65500] [client 165.90.3.122] ModSecurity: Access denied with code 403 (phase 1). Match of "within %{tx.allowed_http_versions}" against "REQUEST_PROTOCOL" required. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "972"] [id "920430"] [msg "HTTP protocol version is not allowed by policy"] [data "HTTP/1.0"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/POLICY/PROTOCOL_NOT_ALLOWED"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A6"] [tag "PCI/6.5.10"] [hostname "karangploso.jatim.bmkg.go.id"] [uri "/"] [unique_id "X1PxZdlmuncnyx65RuMHlQAAAGU"]
...

Port Scan
...