21 lines
483 B
Text
21 lines
483 B
Text
# Fail2Ban filter for postfix authentication failures
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#
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[INCLUDES]
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before = common.conf
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[Definition]
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_daemon = postfix(-\w+)?/(?:submission/|smtps/)?smtp[ds]
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failregex = ^%(__prefix_line)swarning: [-._\w]+\[<HOST>\]: SASL ((?i)LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed(: [ A-Za-z0-9+/:]*={0,2})?\s*$
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ignoreregex = authentication failed: Connection lost to authentication server$
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[Init]
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journalmatch = _SYSTEMD_UNIT=postfix.service
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# Author: Yaroslav Halchenko
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