🇩🇪
rh24
2026-04-21 05:51:17
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-)
Brute-Force
🇩🇪
Melle
2026-04-15 23:57:16
(2 months ago)
Unauthorized connection attempt detected from IP address 212.56.49.131
Brute-Force
🇺🇸
mnogoweb
2026-04-15 23:01:47
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-04-15 17:01:34 plain authenticator failed for ([10.2.18.173]) [212.56.49.131]: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:01:34 login authenticator failed for ([10.2.18.173]) [212.56.49.131]: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:01:35 plain authenticator failed for ([10.2.18.173]) [212.56.49.131]: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:01:35 login authenticator failed for ([10.2.18.173]) [212.56.49.131]: 535 Incorrect authentication data ([email protected] )
2026-04-15 17:01:44 plain authenticator failed for ([10.2.18.173]) [212.56.49.131]: 535 Incorrect authentication data ([email protected] )
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Port Scan
🇺🇸
bigscoots.com
2026-04-15 17:13:17
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-15 13:12:43 dovecot_plain authenticator failed for H=([10.2.18.4]) [212.56.49.131]:14834: 535 Incorrect authentication data ([email protected] )
2026-04-15 13:12:50 dovecot_login authenticator failed for H=([10.2.18.4]) [212.56.49.131]:14834: 535 Incorrect authentication data ([email protected] )
2026-04-15 13:12:57 dovecot_plain authenticator failed for H=([10.2.18.4]) [212.56.49.131]:1339: 535 Incorrect authentication data ([email protected] )
2026-04-15 13:13:14 dovecot_plain authenticator failed for H=([10.2.18.4]) [212.56.49.131]:22912: 535 Incorrect authentication data ([email protected] )
2026-04-15 13:13:16 dovecot_login authenticator failed for H=([10.2.18.4]) [212.56.49.131]:22912: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
2026-04-15 15:39:52
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/Quebec/Montreal/-/[redacted])
Brute-Force
🇺🇸
bigscoots.com
2026-04-15 15:39:42
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-15 11:07:36 dovecot_login authenticator failed for H=([10.2.18.24]) [212.56.49.131]:55928: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:38:56 dovecot_plain authenticator failed for H=([10.2.18.173]) [212.56.49.131]:57947: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:39:08 dovecot_login authenticator failed for H=([10.2.18.173]) [212.56.49.131]:57947: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:39:20 dovecot_plain authenticator failed for H=([10.2.18.173]) [212.56.49.131]:64382: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:39:41 dovecot_plain authenticator failed for H=([10.2.18.173]) [212.56.49.131]:1588: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
🇺🇸
bigscoots.com
2026-04-15 15:07:35
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
show more
(smtpauth) Failed SMTP AUTH login from 212.56.49.131 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-15 11:07:08 dovecot_plain authenticator failed for H=([10.2.18.24]) [212.56.49.131]:45246: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:07:15 dovecot_login authenticator failed for H=([10.2.18.24]) [212.56.49.131]:45246: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:07:23 dovecot_plain authenticator failed for H=([10.2.18.24]) [212.56.49.131]:58935: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:07:25 dovecot_login authenticator failed for H=([10.2.18.24]) [212.56.49.131]:58935: 535 Incorrect authentication data ([email protected] )
2026-04-15 11:07:34 dovecot_plain authenticator failed for H=([10.2.18.24]) [212.56.49.131]:55928: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
🇺🇸
xmission.com
2026-04-12 01:31:28
(2 months ago)
Blocked by UFW (TCP on 56486)
Source port: 41965
TTL: 51
Packet length: 60
TOS: 0x08
This report (f ...
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Blocked by UFW (TCP on 56486)
Source port: 41965
TTL: 51
Packet length: 60
TOS: 0x08
This report (for 212.56.49.131) was generated by:
https://github.com/sefinek/UFW-AbuseIPDB-Reporter
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Port Scan
🇵🇱
KZGM
2026-04-03 23:21:19
(2 months ago)
smtp - too many invalid logins. Banned by fail2ban.
Brute-Force
🇫🇷
SpaceHost-Server
2026-03-21 23:38:04
(3 months ago)
Brute-Force
Web App Attack
🇹🇷
rtbh.com.tr
2026-03-21 20:12:12
(3 months ago)
list.rtbh.com.tr report: tcp/0
Brute-Force
🇨🇿
lp
2026-03-20 19:27:11
(3 months ago)
Email account brute force: 5 attempts were recorded from 212.56.49.131
2026-03-20T19:14:24+01:00 war ...
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Email account brute force: 5 attempts were recorded from 212.56.49.131
2026-03-20T19:14:24+01:00 warning: unknown[212.56.49.131]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-20T19:14:24+01:00 warning: unknown[212.56.49.131]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-20T19:14:27+01:00 warning: unknown[212.56.49.131]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-20T19:14:27+01:00 warning: unknown[212.56.49.131]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-20T19:15:25+01:00 warning: unknown[212.56.49.131]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
🇳🇱
Sonar
2026-03-20 03:21:04
(3 months ago)
Bad_host
Brute-Force
🇩🇪
final
2026-03-20 02:58:04
(3 months ago)
Mar 20 03:57:51 xxxxx postfix/submission/smtpd[8928]: lost connection after CONNECT from unknown[212 ...
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Mar 20 03:57:51 xxxxx postfix/submission/smtpd[8928]: lost connection after CONNECT from unknown[212.56.49.131]
Mar 20 03:57:56 xxxxx postfix/submission/smtpd[8928]: warning: unknown[212.56.49.131]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Mar 20 03:58:03 xxxxx postfix/submission/smtpd[8928]: warning: unknown[212.56.49.131]: SASL LOGIN authentication failed: UGFzc3dvcmQ6, [email protected]
Mar 20 03:58:03 xxxxx postfix/submission/smtpd[8928]: disconnect from unknown[212.56.49.131] ehlo=2 starttls=1 auth=0/2 quit=1 commands=4/6
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Email Spam
Phishing
Spoofing
🇺🇸
TheMadBeaker
2026-03-20 02:29:03
(3 months ago)
Fail2Ban - SMTP Bruteforce Attempt
Email Spam
Brute-Force