firewall-block, port(s): 5275/tcp

(sshd) Failed SSH login from 93.108.242.140 (PT/Portugal/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 10 17:23:04 server2 sshd[6736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.108.242.140  user=root
Oct 10 17:23:04 server2 sshd[6736]: Failed password for root from 93.108.242.140 port 45379 ssh2
Oct 10 17:29:59 server2 sshd[8009]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.108.242.140  user=root
Oct 10 17:30:00 server2 sshd[8009]: Failed password for root from 93.108.242.140 port 23013 ssh2
Oct 10 17:33:36 server2 sshd[8502]: Invalid user apache from 93.108.242.140 port 43069

Oct 7 21:43:17 *hidden* sshd[19304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.143.250.78 Oct 7 21:43:19 *hidden* sshd[19304]: Failed password for invalid user admin from 41.143.250.78 port 34146 ssh2 Oct 7 21:43:22 *hidden* sshd[19319]: Invalid user admin from 41.143.250.78 port 34206

Oct 10 19:45:35 server postfix/smtpd[25660]: NOQUEUE: reject: RCPT from unknown[40.123.204.235]: 450 4.7.1 <954v.mabasalito.club>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<954v.mabasalito.club>
Oct 10 19:45:35 server postfix/smtpd[25660]: NOQUEUE: reject: RCPT from unknown[40.123.204.235]: 450 4.7.1 <954v.mabasalito.club>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<954v.mabasalito.club>
Oct 10 19:45:35 server postfix/smtpd[25660]: NOQUEUE: reject: RCPT from unknown[40.123.204.235]: 450 4.7.1 <954v.mabasalito.club>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<954v.mabasalito.club>
...

2020-10-10T10:38:22.156134suse-nuc sshd[27632]: User root from 107.0.200.227 not allowed because not listed in AllowUsers
...

Tried sshing with brute force.

2020-10-10T12:17:18.1988651495-001 sshd[14593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.141.131.22  user=root
2020-10-10T12:17:20.7207781495-001 sshd[14593]: Failed password for root from 213.141.131.22 port 42436 ssh2
2020-10-10T12:20:57.1401171495-001 sshd[14806]: Invalid user oracle from 213.141.131.22 port 45856
2020-10-10T12:20:57.1449651495-001 sshd[14806]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.141.131.22
2020-10-10T12:20:57.1401171495-001 sshd[14806]: Invalid user oracle from 213.141.131.22 port 45856
2020-10-10T12:20:58.7288971495-001 sshd[14806]: Failed password for invalid user oracle from 213.141.131.22 port 45856 ssh2
...

5x Failed Password

Oct 10 19:49:46 melroy-server sshd[16402]: Failed password for root from 112.85.42.98 port 22724 ssh2
Oct 10 19:49:49 melroy-server sshd[16402]: Failed password for root from 112.85.42.98 port 22724 ssh2
...

Oct 10 18:02:35 marvibiene sshd[26127]: Failed password for root from 101.36.110.20 port 60504 ssh2
Oct 10 18:06:22 marvibiene sshd[26325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.36.110.20 
Oct 10 18:06:24 marvibiene sshd[26325]: Failed password for invalid user dropbox from 101.36.110.20 port 40294 ssh2

DATE:2020-10-10 17:37:51, IP:128.199.24.29, PORT:ssh SSH brute force auth (docker-dc)

Oct 10 18:24:02 minden010 sshd[16257]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.31.112.50
Oct 10 18:24:04 minden010 sshd[16257]: Failed password for invalid user hadoop from 218.31.112.50 port 43989 ssh2
Oct 10 18:28:21 minden010 sshd[17463]: Failed password for root from 218.31.112.50 port 57845 ssh2
...

2020-10-10T17:59:25.606079shield sshd\[31093\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.30  user=root
2020-10-10T17:59:27.590788shield sshd\[31093\]: Failed password for root from 112.85.42.30 port 31338 ssh2
2020-10-10T17:59:30.486853shield sshd\[31093\]: Failed password for root from 112.85.42.30 port 31338 ssh2
2020-10-10T17:59:32.476345shield sshd\[31093\]: Failed password for root from 112.85.42.30 port 31338 ssh2
2020-10-10T18:00:33.028998shield sshd\[31201\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.30  user=root

srvr2: (mod_security) mod_security (id:920350) triggered by 104.219.233.115 (PK/-/ip-104-219-233-115.host.datawagon.net): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/10/09 22:46:16 [error] 3679#0: *39299 [client 104.219.233.115] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/owa"] [unique_id "160227637622.402546"] [ref "o0,18v24,18"], client: 104.219.233.115, [redacted] request: "GET /owa HTTP/1.1" [redacted]

Automatic report - Port Scan Attack