Dec  6 07:26:49 xeon sshd[23730]: Failed password for root from 128.199.235.18 port 44010 ssh2

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Dec  6 07:22:23 mail kernel: [633088.872861] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3d:86:ee:00:08:e3:ff:fd:90:08:00 SRC=112.230.253.198 DST=91.205.173.180 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=12431 DF PROTO=TCP SPT=33080 DPT=3389 WINDOW=8192 RES=0x00 SYN URGP=0 
Dec  6 07:22:26 mail kernel: [633091.869655] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3d:86:ee:00:08:e3:ff:fd:90:08:00 SRC=112.230.253.198 DST=91.205.173.180 LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=13701 DF PROTO=TCP SPT=33080 DPT=3389 WINDOW=8192 RES=0x00 SYN URGP=0 
Dec  6 07:30:02 mail kernel: [633548.586485] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3d:86:ee:00:08:e3:ff:fd:90:08:00 SRC=112.230.253.198 DST=91.205.173.180 LEN=52 TOS=0x08 PREC=0x20 TTL=112 ID=30344 DF PROTO=TCP SPT=12626 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0

Dec  6 08:05:18 mail sshd[10233]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.52.96.216 
Dec  6 08:05:20 mail sshd[10233]: Failed password for invalid user benedick from 120.52.96.216 port 51416 ssh2
Dec  6 08:14:41 mail sshd[14229]: Failed password for root from 120.52.96.216 port 25835 ssh2

Dec  6 06:29:37 ws25vmsma01 sshd[209066]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=96.250.98.32
Dec  6 06:29:39 ws25vmsma01 sshd[209066]: Failed password for invalid user vollen from 96.250.98.32 port 59804 ssh2
...

Dec  6 08:17:32 mail sshd[15678]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.83.37 
Dec  6 08:17:34 mail sshd[15678]: Failed password for invalid user ubuntu from 122.51.83.37 port 54668 ssh2
Dec  6 08:24:00 mail sshd[17316]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.83.37

Dec  6 08:36:41 OPSO sshd\[4924\]: Invalid user hage from 128.199.106.169 port 42660
Dec  6 08:36:41 OPSO sshd\[4924\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.106.169
Dec  6 08:36:43 OPSO sshd\[4924\]: Failed password for invalid user hage from 128.199.106.169 port 42660 ssh2
Dec  6 08:43:19 OPSO sshd\[6282\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.106.169  user=root
Dec  6 08:43:21 OPSO sshd\[6282\]: Failed password for root from 128.199.106.169 port 49824 ssh2

Dec  6 08:09:13 mail sshd[11944]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.241.171 
Dec  6 08:09:15 mail sshd[11944]: Failed password for invalid user admin from 54.38.241.171 port 54010 ssh2
Dec  6 08:14:27 mail sshd[14159]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.241.171

Dec  6 08:08:01 legacy sshd[29298]: Failed password for root from 218.92.0.147 port 30030 ssh2
Dec  6 08:08:15 legacy sshd[29298]: error: maximum authentication attempts exceeded for root from 218.92.0.147 port 30030 ssh2 [preauth]
Dec  6 08:08:22 legacy sshd[29306]: Failed password for root from 218.92.0.147 port 65455 ssh2
...

2019-12-06T08:31:48.396935scmdmz1 sshd\[24281\]: Invalid user gwinn from 5.196.75.47 port 45520
2019-12-06T08:31:48.399685scmdmz1 sshd\[24281\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3003413.ip-5-196-75.eu
2019-12-06T08:31:50.608885scmdmz1 sshd\[24281\]: Failed password for invalid user gwinn from 5.196.75.47 port 45520 ssh2
...

Automatic report - Port Scan Attack

Dec  6 07:29:59 grey postfix/smtpd\[5414\]: NOQUEUE: reject: RCPT from unknown\[114.237.109.10\]: 554 5.7.1 Service unavailable\; Client host \[114.237.109.10\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[114.237.109.10\]\; from=\ to=\ proto=ESMTP helo=\
...

F2B jail: sshd. Time: 2019-12-06 08:20:40, Reported by: VKReport

Dec  6 07:14:24 hcbbdb sshd\[18493\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.123.84  user=www-data
Dec  6 07:14:26 hcbbdb sshd\[18493\]: Failed password for www-data from 139.155.123.84 port 42283 ssh2
Dec  6 07:20:33 hcbbdb sshd\[19248\]: Invalid user bettini from 139.155.123.84
Dec  6 07:20:33 hcbbdb sshd\[19248\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.123.84
Dec  6 07:20:35 hcbbdb sshd\[19248\]: Failed password for invalid user bettini from 139.155.123.84 port 43122 ssh2

Dec  6 12:56:27 vibhu-HP-Z238-Microtower-Workstation sshd\[14142\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.169.192  user=root
Dec  6 12:56:29 vibhu-HP-Z238-Microtower-Workstation sshd\[14142\]: Failed password for root from 222.186.169.192 port 52710 ssh2
Dec  6 12:56:32 vibhu-HP-Z238-Microtower-Workstation sshd\[14142\]: Failed password for root from 222.186.169.192 port 52710 ssh2
Dec  6 12:56:36 vibhu-HP-Z238-Microtower-Workstation sshd\[14142\]: Failed password for root from 222.186.169.192 port 52710 ssh2
Dec  6 12:56:40 vibhu-HP-Z238-Microtower-Workstation sshd\[14142\]: Failed password for root from 222.186.169.192 port 52710 ssh2
...