Apr 24 19:27:48 tdfoods sshd\[30668\]: Invalid user bash from 95.84.134.5
Apr 24 19:27:48 tdfoods sshd\[30668\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=broadband-95-84-134-5.ip.moscow.rt.ru
Apr 24 19:27:49 tdfoods sshd\[30668\]: Failed password for invalid user bash from 95.84.134.5 port 48588 ssh2
Apr 24 19:31:26 tdfoods sshd\[30962\]: Invalid user te from 95.84.134.5
Apr 24 19:31:26 tdfoods sshd\[30962\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=broadband-95-84-134-5.ip.moscow.rt.ru

Apr 25 10:23:17 debian-2gb-nbg1-2 kernel: \[10061937.891621\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.102 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=41017 PROTO=TCP SPT=56142 DPT=30081 WINDOW=1024 RES=0x00 SYN URGP=0

Apr 25 10:09:39 vpn01 sshd[14280]: Failed password for root from 222.186.175.183 port 22242 ssh2
Apr 25 10:09:54 vpn01 sshd[14280]: error: maximum authentication attempts exceeded for root from 222.186.175.183 port 22242 ssh2 [preauth]
...

Apr 25 05:53:12 smtp postfix/smtpd[77587]: NOQUEUE: reject: RCPT from hosting.terastudio.it[95.110.194.245]: 554 5.7.1 Service unavailable; Client host [95.110.194.245] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/95.110.194.245 / https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=SMTP helo=
...

2020-04-25T04:50:04.221818shield sshd\[19700\]: Invalid user src_user from 210.5.85.150 port 48926
2020-04-25T04:50:04.226348shield sshd\[19700\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.5.85.150
2020-04-25T04:50:06.219872shield sshd\[19700\]: Failed password for invalid user src_user from 210.5.85.150 port 48926 ssh2
2020-04-25T04:54:04.004762shield sshd\[20615\]: Invalid user avto from 210.5.85.150 port 48620
2020-04-25T04:54:04.009592shield sshd\[20615\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.5.85.150

Apr 24 18:54:19 josie sshd[14636]: Invalid user frappe from 84.38.180.213
Apr 24 18:54:19 josie sshd[14636]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.38.180.213 
Apr 24 18:54:21 josie sshd[14636]: Failed password for invalid user frappe from 84.38.180.213 port 60388 ssh2
Apr 24 18:54:21 josie sshd[14637]: Received disconnect from 84.38.180.213: 11: Bye Bye
Apr 24 18:57:31 josie sshd[15176]: Invalid user raju from 84.38.180.213
Apr 24 18:57:31 josie sshd[15176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.38.180.213 
Apr 24 18:57:33 josie sshd[15176]: Failed password for invalid user raju from 84.38.180.213 port 49750 ssh2
Apr 24 18:57:33 josie sshd[15178]: Received disconnect from 84.38.180.213: 11: Bye Bye
Apr 24 18:59:09 josie sshd[15424]: Invalid user barbara from 84.38.180.213
Apr 24 18:59:09 josie sshd[15424]: pam_unix(sshd:auth): authentication failure; logname= uid=0 ........
-------------------------------

Port probing on unauthorized port 8291

$f2bV_matches

(sshd) Failed SSH login from 216.126.231.15 (US/United States/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 25 10:03:04 ubnt-55d23 sshd[23894]: Invalid user agenda from 216.126.231.15 port 46750
Apr 25 10:03:06 ubnt-55d23 sshd[23894]: Failed password for invalid user agenda from 216.126.231.15 port 46750 ssh2

(sshd) Failed SSH login from 176.123.6.48 (MD/Republic of Moldova/init-in-dollarde.cnndy.net): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 25 07:30:19 amsweb01 sshd[16638]: Invalid user ubnt from 176.123.6.48 port 37354
Apr 25 07:30:21 amsweb01 sshd[16638]: Failed password for invalid user ubnt from 176.123.6.48 port 37354 ssh2
Apr 25 07:30:21 amsweb01 sshd[16640]: User admin from 176.123.6.48 not allowed because not listed in AllowUsers
Apr 25 07:30:21 amsweb01 sshd[16640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.123.6.48  user=admin
Apr 25 07:30:24 amsweb01 sshd[16640]: Failed password for invalid user admin from 176.123.6.48 port 39672 ssh2

Apr 25 05:19:13 ns382633 sshd\[7373\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.190.148  user=root
Apr 25 05:19:16 ns382633 sshd\[7373\]: Failed password for root from 106.13.190.148 port 34334 ssh2
Apr 25 05:52:37 ns382633 sshd\[13740\]: Invalid user ae from 106.13.190.148 port 48560
Apr 25 05:52:37 ns382633 sshd\[13740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.190.148
Apr 25 05:52:38 ns382633 sshd\[13740\]: Failed password for invalid user ae from 106.13.190.148 port 48560 ssh2

Apr 25 10:14:30 srv01 sshd[25518]: Invalid user reward from 51.178.27.237 port 40292
Apr 25 10:14:30 srv01 sshd[25518]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.178.27.237
Apr 25 10:14:30 srv01 sshd[25518]: Invalid user reward from 51.178.27.237 port 40292
Apr 25 10:14:32 srv01 sshd[25518]: Failed password for invalid user reward from 51.178.27.237 port 40292 ssh2
Apr 25 10:22:02 srv01 sshd[26245]: Invalid user shin from 51.178.27.237 port 52872
...

Apr 25 15:12:46 itv-usvr-02 sshd[17242]: Invalid user chimistry from 106.54.234.21 port 39976
Apr 25 15:12:46 itv-usvr-02 sshd[17242]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.234.21
Apr 25 15:12:46 itv-usvr-02 sshd[17242]: Invalid user chimistry from 106.54.234.21 port 39976
Apr 25 15:12:48 itv-usvr-02 sshd[17242]: Failed password for invalid user chimistry from 106.54.234.21 port 39976 ssh2
Apr 25 15:13:17 itv-usvr-02 sshd[17246]: Invalid user don from 106.54.234.21 port 42224

Invalid user ftpuser from 14.98.22.30 port 51246

Unauthorized connection attempt detected from IP address 71.6.146.185 to port 8069