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Anonymous
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<jail> banned by fail2ban
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Brute-Force
Web App Attack
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🇺🇸
bigscoots.com
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(smtpauth) Failed SMTP AUTH login from 91.193.6.152 (CA/Canada/-): 5 in the last 3600 secs; Ports: 2 ...
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(smtpauth) Failed SMTP AUTH login from 91.193.6.152 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-04-23 14:17:55 dovecot_plain authenticator failed for H=([10.22.18.171]) [91.193.6.152]:1445: 535 Incorrect authentication data ([email protected])
2026-04-23 14:18:01 dovecot_login authenticator failed for H=([10.22.18.171]) [91.193.6.152]:1445: 535 Incorrect authentication data ([email protected])
2026-04-23 14:18:14 dovecot_plain authenticator failed for H=([10.22.18.171]) [91.193.6.152]:3958: 535 Incorrect authentication data ([email protected])
2026-04-23 14:18:16 dovecot_login authenticator failed for H=([10.22.18.171]) [91.193.6.152]:3958: 535 Incorrect authentication data ([email protected])
2026-04-23 14:18:21 dovecot_plain authenticator failed for H=([10.22.18.171]) [91.193.6.152]:38709: 535 Incorrect authentication data ([email protected])
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Brute-Force
SSH
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🇧🇷
hostseries
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Trigger: LF_SMTPAUTH
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Brute-Force
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🇺🇦
Infocom
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MAIL_Brute-Force
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Brute-Force
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🇫🇷
smtp.com.es
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Brute force attempt.
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Brute-Force
Email Spam
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🇵🇱
KZGM
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smtp - too many invalid logins. Banned by fail2ban.
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Brute-Force
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🇫🇷
Dorian GRANDHAY
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(smtpauth) Failed SMTP AUTH login from 91.193.6.152 (CA/Canada/-): 5 in the last 3600 secs; Ports: * ...
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(smtpauth) Failed SMTP AUTH login from 91.193.6.152 (CA/Canada/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-03-04 03:42:23 dovecot_plain authenticator failed for H=([10.22.18.78]) [91.193.6.152]:58275: 535 Incorrect authentication data ([email protected])
2026-03-04 03:42:29 dovecot_login authenticator failed for H=([10.22.18.78]) [91.193.6.152]:58275: 535 Incorrect authentication data ([email protected])
2026-03-04 03:42:35 dovecot_plain authenticator failed for H=([10.22.18.78]) [91.193.6.152]:10698: 535 Incorrect authentication data ([email protected])
2026-03-04 03:42:41 dovecot_login authenticator failed for H=([10.22.18.78]) [91.193.6.152]:10698: 535 Incorrect authentication data ([email protected])
2026-03-04 03:42:51 dovecot_plain authenticator failed for H=([10.22.18.78]) [91.193.6.152]:15949: 535 Incorrect authentication data ([email protected])
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Port Scan
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🇩🇪
iNetWorker
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trying to access non-authorized port
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Port Scan
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Anonymous
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(smtpauth) Failed SMTP AUTH login from 91.193.6.152 (CA/Canada/Quebec/Montreal/-/[redacted])
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Brute-Force
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🇹🇷
rtbh.com.tr
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list.rtbh.com.tr report: tcp/0
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Brute-Force
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🇹🇷
rtbh.com.tr
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list.rtbh.com.tr report: tcp/0
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Brute-Force
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🇸🇪
triplecode
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Reported from hMailServer
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Hacking
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🇷🇺
DZBOT
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SMTP. Brute-force users (authenticator failed)
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Brute-Force
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🇩🇪
grassau.com
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(smtpauth) Failed SMTP AUTH login from 91.193.6.152 (CA/Canada/Quebec/Montreal/-)
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Brute-Force
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🇨🇿
lp
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Email account brute force: 6 attempts were recorded from 91.193.6.152
2026-02-23T20:25:50+01:00 warn ...
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Email account brute force: 6 attempts were recorded from 91.193.6.152
2026-02-23T20:25:50+01:00 warning: unknown[91.193.6.152]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-02-23T20:25:50+01:00 warning: unknown[91.193.6.152]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-02-23T20:25:51+01:00 warning: unknown[91.193.6.152]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-02-23T20:25:52+01:00 warning: unknown[91.193.6.152]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-02-23T20:26:00+01:00 warning: unknown[91.193.6.152]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-02-23T20:26:00+01:00 warning: unknown[91.193.6.152]: SASL LOGIN authentication failed: authentication fai
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Brute-Force
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