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33 lines
1.1 KiB
33 lines
1.1 KiB
# Fail2Ban filter for the Proftpd FTP daemon |
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# |
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# Set "UseReverseDNS off" in proftpd.conf to avoid the need for DNS. |
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# See: http://www.proftpd.org/docs/howto/DNS.html |
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# When the default locale for your system is not en_US.UTF-8 |
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# on Debian-based systems be sure to add this to /etc/default/proftpd |
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# export LC_TIME="en_US.UTF-8" |
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[INCLUDES] |
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before = common.conf |
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[Definition] |
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_daemon = proftpd |
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__suffix_failed_login = ([uU]ser not authorized for login|[nN]o such user found|[iI]ncorrect password|[pP]assword expired|[aA]ccount disabled|[iI]nvalid shell: '\S+'|[uU]ser in \S+|[lL]imit (access|configuration) denies login|[nN]ot a UserAlias|[mM]aximum login length exceeded) |
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prefregex = ^%(__prefix_line)s%(__hostname)s \(\S+\[<HOST>\]\)[: -]+ <F-CONTENT>(?:USER|SECURITY|Maximum) .+</F-CONTENT>$ |
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failregex = ^USER <F-USER>\S+|.*?</F-USER>(?: \(Login failed\))?: %(__suffix_failed_login)s |
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^SECURITY VIOLATION: <F-USER>\S+|.*?</F-USER> login attempted |
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^Maximum login attempts \(\d+\) exceeded |
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ignoreregex = |
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[Init] |
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journalmatch = _SYSTEMD_UNIT=proftpd.service |
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# Author: Yaroslav Halchenko |
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# Daniel Black - hardening of regex
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