Unauthorized connection attempt from IP address 180.247.63.61 on Port 445(SMB)

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Unauthorized connection attempt from IP address 196.189.57.244 on Port 445(SMB)

Dovecot Invalid User Login Attempt.

 TCP (SYN) 77.247.108.119:42501 -> port 5038, len 44

Jul 29 01:35:08 eventyay sshd[23691]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.219.210
Jul 29 01:35:10 eventyay sshd[23691]: Failed password for invalid user lihengyi from 159.65.219.210 port 58942 ssh2
Jul 29 01:38:38 eventyay sshd[23807]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.219.210
...

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2020-07-29 01:43:13 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data \(set_id=73568237@yt.gl\)
2020-07-29 01:43:20 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-29 01:43:30 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-29 01:43:35 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-29 01:43:47 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-29 01:43:52 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-29 01:43:57 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-29 01:44:03 dovecot_login authenticator fa
...

Jul 29 01:09:55 ns382633 sshd\[25060\]: Invalid user annavara from 106.246.92.234 port 40906
Jul 29 01:09:55 ns382633 sshd\[25060\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.246.92.234
Jul 29 01:09:57 ns382633 sshd\[25060\]: Failed password for invalid user annavara from 106.246.92.234 port 40906 ssh2
Jul 29 01:18:59 ns382633 sshd\[26841\]: Invalid user gaoyun from 106.246.92.234 port 44726
Jul 29 01:18:59 ns382633 sshd\[26841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.246.92.234

Unauthorized connection attempt from IP address 81.83.6.41 on Port 445(SMB)

Jul 29 02:09:13 Ubuntu-1404-trusty-64-minimal sshd\[21634\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.176  user=root
Jul 29 02:09:14 Ubuntu-1404-trusty-64-minimal sshd\[21634\]: Failed password for root from 112.85.42.176 port 55685 ssh2
Jul 29 02:09:33 Ubuntu-1404-trusty-64-minimal sshd\[21688\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.176  user=root
Jul 29 02:09:35 Ubuntu-1404-trusty-64-minimal sshd\[21688\]: Failed password for root from 112.85.42.176 port 15969 ssh2
Jul 29 02:09:56 Ubuntu-1404-trusty-64-minimal sshd\[21783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.176  user=root

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Jul 29 02:07:18 nextcloud sshd\[29561\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root
Jul 29 02:07:19 nextcloud sshd\[29561\]: Failed password for root from 222.186.175.148 port 46802 ssh2
Jul 29 02:07:44 nextcloud sshd\[30026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root

Jul 29 01:35:25 minden010 postfix/smtpd[19903]: NOQUEUE: reject: RCPT from p2e532eae.dip0.t-ipconnect.de[46.83.46.174]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Jul 29 01:35:25 minden010 postfix/smtpd[9072]: NOQUEUE: reject: RCPT from p2e532eae.dip0.t-ipconnect.de[46.83.46.174]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Jul 29 01:35:25 minden010 postfix/smtpd[19900]: NOQUEUE: reject: RCPT from p2e532eae.dip0.t-ipconnect.de[46.83.46.174]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jul 29 01:45:22 minden010 postfix/smtpd[9083]: NOQUEUE: reject: RCPT from p2e532eae.dip0.t-ipconnect.de[46.83.46.174]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Jul 
...

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