Dec  5 20:01:38 XXX sshd[22281]: Invalid user squid from 103.63.109.74 port 53358

Brute-force attempt banned

SSH invalid-user multiple login attempts

Automatic report - Port Scan Attack

Dec  5 21:52:57 eventyay sshd[17187]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.7.127.92
Dec  5 21:52:59 eventyay sshd[17187]: Failed password for invalid user server from 121.7.127.92 port 52329 ssh2
Dec  5 21:59:52 eventyay sshd[17360]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.7.127.92
...

Dec  5 18:59:51 web1 sshd\[25434\]: Invalid user pi from 119.194.14.3
Dec  5 18:59:51 web1 sshd\[25434\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.194.14.3
Dec  5 18:59:51 web1 sshd\[25436\]: Invalid user pi from 119.194.14.3
Dec  5 18:59:51 web1 sshd\[25436\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.194.14.3
Dec  5 18:59:53 web1 sshd\[25434\]: Failed password for invalid user pi from 119.194.14.3 port 43754 ssh2
Dec  5 18:59:53 web1 sshd\[25436\]: Failed password for invalid user pi from 119.194.14.3 port 43760 ssh2

Dec  6 02:30:17 h2177944 sshd\[22238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.207.49.186  user=root
Dec  6 02:30:19 h2177944 sshd\[22238\]: Failed password for root from 111.207.49.186 port 60350 ssh2
Dec  6 02:39:14 h2177944 sshd\[22632\]: Invalid user klaudt from 111.207.49.186 port 58478
Dec  6 02:39:14 h2177944 sshd\[22632\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.207.49.186
...

Dec  6 02:06:44 marvibiene sshd[6530]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.41  user=root
Dec  6 02:06:46 marvibiene sshd[6530]: Failed password for root from 222.186.180.41 port 52384 ssh2
Dec  6 02:06:49 marvibiene sshd[6530]: Failed password for root from 222.186.180.41 port 52384 ssh2
Dec  6 02:06:44 marvibiene sshd[6530]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.41  user=root
Dec  6 02:06:46 marvibiene sshd[6530]: Failed password for root from 222.186.180.41 port 52384 ssh2
Dec  6 02:06:49 marvibiene sshd[6530]: Failed password for root from 222.186.180.41 port 52384 ssh2
...

Dec  6 04:01:18 mail postfix/smtpd\[18459\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.135\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  6 04:01:18 mail postfix/smtpd\[18459\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.135\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  6 04:01:18 mail postfix/smtpd\[18459\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.135\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  6 04:01:18 mail postfix/smtpd\[18459\]: NOQUEUE: reject: RCPT from unknown\[181.41.216.135\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[181.41.216.131\]\>
Dec  6 04:01:1

Dec  6 05:56:57 meumeu sshd[5349]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.52.139.230 
Dec  6 05:57:00 meumeu sshd[5349]: Failed password for invalid user web70 from 83.52.139.230 port 60448 ssh2
Dec  6 06:02:53 meumeu sshd[6743]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.52.139.230 
...

Dec  5 23:59:56 web1 postfix/smtpd[23485]: warning: unknown[101.96.134.9]: SASL LOGIN authentication failed: authentication failure
...

Dec  5 20:45:41 linuxvps sshd\[15135\]: Invalid user flachslaender from 159.65.152.201
Dec  5 20:45:41 linuxvps sshd\[15135\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.152.201
Dec  5 20:45:43 linuxvps sshd\[15135\]: Failed password for invalid user flachslaender from 159.65.152.201 port 53430 ssh2
Dec  5 20:52:08 linuxvps sshd\[18733\]: Invalid user wardell from 159.65.152.201
Dec  5 20:52:08 linuxvps sshd\[18733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.152.201

Dec  5 23:18:09 meumeu sshd[2461]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.108.46.237 
Dec  5 23:18:11 meumeu sshd[2461]: Failed password for invalid user peisert from 180.108.46.237 port 43970 ssh2
Dec  5 23:25:14 meumeu sshd[3664]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.108.46.237 
...

Dec  5 12:30:23 hpm sshd\[23450\]: Invalid user download from 144.217.93.130
Dec  5 12:30:23 hpm sshd\[23450\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.ip-144-217-93.net
Dec  5 12:30:25 hpm sshd\[23450\]: Failed password for invalid user download from 144.217.93.130 port 49888 ssh2
Dec  5 12:35:53 hpm sshd\[24032\]: Invalid user admin from 144.217.93.130
Dec  5 12:35:53 hpm sshd\[24032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.ip-144-217-93.net

Dec  6 02:05:45 sbg01 sshd[20366]: Failed password for root from 218.219.246.124 port 57622 ssh2
Dec  6 02:12:54 sbg01 sshd[20401]: Failed password for root from 218.219.246.124 port 56338 ssh2