Scanned 3 times in the last 24 hours on port 22

$f2bV_matches

firewall-block, port(s): 1900/udp

Jul  8 02:13:56 sip sshd[863544]: Invalid user gentoo from 206.51.29.115 port 38080
Jul  8 02:13:58 sip sshd[863544]: Failed password for invalid user gentoo from 206.51.29.115 port 38080 ssh2
Jul  8 02:15:46 sip sshd[863551]: Invalid user laraine from 206.51.29.115 port 39282
...

Jul  8 02:54:59 debian-2gb-nbg1-2 kernel: \[16428300.198556\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=101.251.242.141 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=239 ID=12030 PROTO=TCP SPT=43818 DPT=26000 WINDOW=1024 RES=0x00 SYN URGP=0

ET DROP Spamhaus DROP Listed Traffic Inbound group 18 - port: 25767 proto: TCP cat: Misc Attack

[2020-07-07 20:58:56] NOTICE[1150][C-000004c7] chan_sip.c: Call from '' (156.96.59.7:62726) to extension '822011441887593309' rejected because extension not found in context 'public'.
[2020-07-07 20:58:56] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-07T20:58:56.118-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="822011441887593309",SessionID="0x7fcb4c03b8a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.59.7/62726",ACLName="no_extension_match"
[2020-07-07 20:59:37] NOTICE[1150][C-000004c8] chan_sip.c: Call from '' (156.96.59.7:55821) to extension '823011441887593309' rejected because extension not found in context 'public'.
[2020-07-07 20:59:37] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-07T20:59:37.214-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="823011441887593309",SessionID="0x7fcb4c0dfe08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV
...

firewall-block, port(s): 445/tcp

Jul  7 23:25:47 localhost sshd\[23031\]: Invalid user pop from 62.234.142.49
Jul  7 23:25:47 localhost sshd\[23031\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.142.49
Jul  7 23:25:49 localhost sshd\[23031\]: Failed password for invalid user pop from 62.234.142.49 port 38350 ssh2
Jul  7 23:30:08 localhost sshd\[23242\]: Invalid user jerrica from 62.234.142.49
Jul  7 23:30:08 localhost sshd\[23242\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.142.49
...

Failed password for invalid user rstudio-server from 152.32.135.241 port 59776 ssh2

Jul  7 11:56:32 web9 sshd\[4123\]: Invalid user shiliu from 218.245.5.248
Jul  7 11:56:32 web9 sshd\[4123\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.245.5.248
Jul  7 11:56:34 web9 sshd\[4123\]: Failed password for invalid user shiliu from 218.245.5.248 port 32636 ssh2
Jul  7 11:58:32 web9 sshd\[4454\]: Invalid user asterisk from 218.245.5.248
Jul  7 11:58:32 web9 sshd\[4454\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.245.5.248

Jul  7 19:08:51 server1 sshd\[29418\]: Invalid user huanghong from 124.160.42.66
Jul  7 19:08:51 server1 sshd\[29418\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.160.42.66 
Jul  7 19:08:52 server1 sshd\[29418\]: Failed password for invalid user huanghong from 124.160.42.66 port 23577 ssh2
Jul  7 19:12:06 server1 sshd\[30650\]: Invalid user sienna from 124.160.42.66
Jul  7 19:12:06 server1 sshd\[30650\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.160.42.66 
...

[2020-07-07 21:03:18] NOTICE[1150][C-000004cd] chan_sip.c: Call from '' (156.96.154.8:56849) to extension '2712011441904911004' rejected because extension not found in context 'public'.
[2020-07-07 21:03:18] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-07T21:03:18.745-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="2712011441904911004",SessionID="0x7fcb4c07a778",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/156.96.154.8/56849",ACLName="no_extension_match"
[2020-07-07 21:04:09] NOTICE[1150][C-000004ce] chan_sip.c: Call from '' (156.96.154.8:63238) to extension '2713011441904911004' rejected because extension not found in context 'public'.
[2020-07-07 21:04:09] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-07T21:04:09.631-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="2713011441904911004",SessionID="0x7fcb4c0dfe08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddre
...

(smtpauth) Failed SMTP AUTH login from 46.38.150.188 (GB/United Kingdom/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-07-08 02:56:31 login authenticator failed for (User) [46.38.150.188]: 535 Incorrect authentication data (set_id=showcase-1811-v2@amsweb01.forhosting.nl)
2020-07-08 02:56:58 login authenticator failed for (User) [46.38.150.188]: 535 Incorrect authentication data (set_id=showcase-1811-v2@amsweb01.forhosting.nl)
2020-07-08 02:57:16 login authenticator failed for (User) [46.38.150.188]: 535 Incorrect authentication data (set_id=appli@amsweb01.forhosting.nl)
2020-07-08 02:57:44 login authenticator failed for (User) [46.38.150.188]: 535 Incorrect authentication data (set_id=appli@amsweb01.forhosting.nl)
2020-07-08 02:58:02 login authenticator failed for (User) [46.38.150.188]: 535 Incorrect authentication data (set_id=frp@amsweb01.forhosting.nl)

Jul  7 23:43:30 mail sshd[1881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.143.198.100 
Jul  7 23:43:31 mail sshd[1881]: Failed password for invalid user linyankai from 95.143.198.100 port 55160 ssh2
...