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Anonymous
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(smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-)
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Brute-Force
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๐ฉ๐ช
DocNetzwerk
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(smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-)
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Brute-Force
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Anonymous
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Fail2Ban report from Agria Informatika Ltd.
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Brute-Force
SSH
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๐ฉ๐ช
John Chrys.
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Mar 13 04:38:47 diego postfix/smtpd[3959249]: warning: unknown[212.56.54.31]: SASL PLAIN authenticat ...
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Mar 13 04:38:47 diego postfix/smtpd[3959249]: warning: unknown[212.56.54.31]: SASL PLAIN authentication failed: authentication failure
Mar 13 04:38:49 diego postfix/smtpd[3959249]: warning: unknown[212.56.54.31]: SASL LOGIN authentication failed: authentication failure
Mar 13 04:38:52 diego postfix/smtps/smtpd[3959267]: warning: unknown[212.56.54.31]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
Email Spam
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Anonymous
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Unauthorized connection attempt detected in the last 24 hours
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Hacking
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๐ณ๐ฑ
Sonar
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Bad_host
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Brute-Force
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๐ง๐ท
SvrAdmin
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[101] (smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-): 5 in the last 3600 s ...
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[101] (smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-02-21 06:44:28 dovecot_plain authenticator failed for H=([10.22.18.204]) [212.56.54.31]:37158: 535 Incorrect authentication data ([email protected])
2026-02-21 06:44:34 dovecot_login authenticator failed for H=([10.22.18.204]) [212.56.54.31]:37158: 535 Incorrect authentication data ([email protected])
2026-02-21 06:44:41 dovecot_plain authenticator failed for H=([10.22.18.204]) [212.56.54.31]:13256: 535 Incorrect authentication data ([email protected])
2026-02-21 06:44:43 dovecot_login authenticator failed for H=([10.22.18.204]) [212.56.54.31]:13256: 535 Incorrect authentication data ([email protected])
2026-02-21 06:44:53 dovecot_plain authenticator failed for H=([10.22.18.204]) [212.56.54.31]:7306: 535 Incorrect authentication data ([email protected])
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Port Scan
Hacking
Brute-Force
Exploited Host
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๐ฌ๐ง
chrisw
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Feb 21 04:51:13 l03 postfix/smtpd[8644]: warning: unknown[212.56.54.31]: SASL PLAIN authentication f ...
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Feb 21 04:51:13 l03 postfix/smtpd[8644]: warning: unknown[212.56.54.31]: SASL PLAIN authentication failed: authentication failure
Feb 21 04:51:15 l03 postfix/smtpd[8644]: warning: unknown[212.56.54.31]: SASL LOGIN authentication failed: authentication failure
Feb 21 04:51:18 l03 postfix/smtps/smtpd[8652]: warning: unknown[212.56.54.31]: SASL PLAIN authentication failed: authentication failure
Feb 21 04:51:20 l03 postfix/smtps/smtpd[8652]: warning: unknown[212.56.54.31]: SASL LOGIN authentication failed: authentication failure
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Web Spam
Brute-Force
Exploited Host
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Anonymous
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2026-02-20T10:58:45.981555 biopolis.pcconsultant.it postfix/smtpd[3396073]: warning: unknown[212.56. ...
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2026-02-20T10:58:45.981555 biopolis.pcconsultant.it postfix/smtpd[3396073]: warning: unknown[212.56.54.31]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
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๐ฎ๐ฉ
xveil
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2026-01-29T03:00:59.831215 mail-honeypot postfix/submission/smtpd[26033]: warning: unknown[212.56.54 ...
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2026-01-29T03:00:59.831215 mail-honeypot postfix/submission/smtpd[26033]: warning: unknown[212.56.54.31]: SASL PLAIN authentication failed: authentication failure
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Brute-Force
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๐บ๐ธ
integrantservices.com
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(smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-)
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Brute-Force
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๐บ๐ธ
bigscoots.com
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(smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-): 5 in the last 3600 secs; P ...
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(smtpauth) Failed SMTP AUTH login from 212.56.54.31 (US/United States/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-01-28 13:27:03 dovecot_plain authenticator failed for H=([10.22.18.145]) [212.56.54.31]:54589: 535 Incorrect authentication data ([email protected])
2026-01-28 13:27:09 dovecot_login authenticator failed for H=([10.22.18.145]) [212.56.54.31]:54589: 535 Incorrect authentication data ([email protected])
2026-01-28 13:27:15 dovecot_plain authenticator failed for H=([10.22.18.145]) [212.56.54.31]:16974: 535 Incorrect authentication data ([email protected])
2026-01-28 13:27:21 dovecot_login authenticator failed for H=([10.22.18.145]) [212.56.54.31]:16974: 535 Incorrect authentication data ([email protected])
2026-01-28 13:27:29 dovecot_plain authenticator failed for H=([10.22.18.145]) [212.56.54.31]:2976: 535 Incorrect authentication data ([email protected])
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Brute-Force
SSH
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Anonymous
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Unauthorized connection attempt detected in the last 24 hours
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Hacking
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Anonymous
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Unauthorized connection attempt detected in the last 24 hours
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Hacking
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๐ฉ๐ช
stinpriza
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(XMLRPC) xmlrpc banned 212.56.54.31 (US/United States/-): 1 in the last 3600 secs
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Web App Attack
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