firewall-block, port(s): 1433/tcp

Mar  5 02:24:21 lukav-desktop sshd\[13627\]: Invalid user amanda from 51.83.45.93
Mar  5 02:24:21 lukav-desktop sshd\[13627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.45.93
Mar  5 02:24:22 lukav-desktop sshd\[13627\]: Failed password for invalid user amanda from 51.83.45.93 port 51290 ssh2
Mar  5 02:32:36 lukav-desktop sshd\[13781\]: Invalid user cpanellogin from 51.83.45.93
Mar  5 02:32:36 lukav-desktop sshd\[13781\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.45.93

Mar  4 22:23:24 mail.srvfarm.net postfix/smtpd[173814]: NOQUEUE: reject: RCPT from unknown[5.133.66.45]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  4 22:23:24 mail.srvfarm.net postfix/smtpd[160422]: NOQUEUE: reject: RCPT from unknown[5.133.66.45]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  4 22:23:24 mail.srvfarm.net postfix/smtpd[173825]: NOQUEUE: reject: RCPT from unknown[5.133.66.45]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  4 22:23:30 mail.srvfarm.net postfix/smtpd[160387]: NOQUEUE: reject: RCPT from unknown[5.133.66.45]: 450 4.1.8 

20/3/4@16:49:54: FAIL: Alarm-Network address from=59.188.73.200
20/3/4@16:49:54: FAIL: Alarm-Network address from=59.188.73.200
...

2020-03-04T21:42:40.009193shield sshd\[2494\]: Invalid user ptao from 90.66.124.106 port 60186
2020-03-04T21:42:40.013596shield sshd\[2494\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=lfbn-lyo-1-1950-106.w90-66.abo.wanadoo.fr
2020-03-04T21:42:41.895448shield sshd\[2494\]: Failed password for invalid user ptao from 90.66.124.106 port 60186 ssh2
2020-03-04T21:49:56.517494shield sshd\[3067\]: Invalid user william from 90.66.124.106 port 52936
2020-03-04T21:49:56.524856shield sshd\[3067\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=lfbn-lyo-1-1950-106.w90-66.abo.wanadoo.fr

Mar  4 22:24:44 mail.srvfarm.net postfix/smtpd[173814]: NOQUEUE: reject: RCPT from unknown[45.95.33.172]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  4 22:24:44 mail.srvfarm.net postfix/smtpd[173831]: NOQUEUE: reject: RCPT from unknown[45.95.33.172]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  4 22:24:44 mail.srvfarm.net postfix/smtpd[158538]: NOQUEUE: reject: RCPT from unknown[45.95.33.172]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  4 22:24:44 mail.srvfarm.net postfix/smtpd[160408]: NOQUEUE: reject: RCPT from unknown[45.95.33.172]: 450 4.1.8 

Mar  4 23:49:08 ns381471 sshd[30161]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.189.102
Mar  4 23:49:10 ns381471 sshd[30161]: Failed password for invalid user liaohaoran from 180.76.189.102 port 55758 ssh2

Mar  5 01:50:10 web01.agentur-b-2.de postfix/smtpd[36843]: warning: go.goldsteelllc.tech[45.95.168.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar  5 01:50:10 web01.agentur-b-2.de postfix/smtpd[36843]: lost connection after AUTH from go.goldsteelllc.tech[45.95.168.164]
Mar  5 01:50:14 web01.agentur-b-2.de postfix/smtpd[36844]: warning: go.goldsteelllc.tech[45.95.168.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar  5 01:50:14 web01.agentur-b-2.de postfix/smtpd[14559]: warning: go.goldsteelllc.tech[45.95.168.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar  5 01:50:14 web01.agentur-b-2.de postfix/smtpd[9586]: warning: go.goldsteelllc.tech[45.95.168.164]: SASL LOGIN authentication failed: UGFzc3dvcmQ6

1583358594 - 03/04/2020 22:49:54 Host: 115.161.117.50/115.161.117.50 Port: 23 TCP Blocked

Mar  5 03:22:19 ncomp sshd[27934]: Invalid user polkitd from 101.231.201.50
Mar  5 03:22:19 ncomp sshd[27934]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.231.201.50
Mar  5 03:22:19 ncomp sshd[27934]: Invalid user polkitd from 101.231.201.50
Mar  5 03:22:21 ncomp sshd[27934]: Failed password for invalid user polkitd from 101.231.201.50 port 12692 ssh2

1583367634 - 03/05/2020 01:20:34 Host: 118.174.166.111/118.174.166.111 Port: 23 TCP Blocked

Mar  5 06:20:15 gw1 sshd[5845]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.214.242.16
Mar  5 06:20:17 gw1 sshd[5845]: Failed password for invalid user teamspeak3 from 181.214.242.16 port 43310 ssh2
...

2020-03-0422:49:351j9btW-0000N7-PM\<=verena@rs-solution.chH=\(localhost\)[37.114.173.106]:37561P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2226id=A1A412414A9EB003DFDA932BDF59113F@rs-solution.chT="Justneedatinybitofyourinterest"forbhavner@hotmail.comdavidtbrewster@gmail.com2020-03-0422:48:441j9bsh-0000J3-Eq\<=verena@rs-solution.chH=\(localhost\)[113.173.85.238]:35485P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2232id=1510A6F5FE2A04B76B6E279F6B669688@rs-solution.chT="Justneedabitofyourinterest"forshahadathossain1600@gmail.comsahraouiilyas1996@gmail.com2020-03-0422:48:551j9bss-0000KK-Fn\<=verena@rs-solution.chH=\(localhost\)[123.21.22.200]:48662P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2244id=787DCB98934769DA06034AF206A62021@rs-solution.chT="Justdecidedtogettoknowyou"fordebbiewoodyup@gmail.comdave.jack10@yahoo.com2020-03-0422:49:161j9btD-0000MD-44\<=verena@rs-s

SSH-bruteforce attempts

206.189.198.6 - - [05/Mar/2020:01:58:18 +0300] "POST /wp-login.php HTTP/1.1" 200 2790 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"