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# Fail2Ban fitler for the Proftpd FTP daemon
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2 |
#
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3 |
# 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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7 |
# export LC_TIME="en_US.UTF-8"
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8 |
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9 |
[INCLUDES]
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10 |
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11 |
before = common.conf
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12 |
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13 |
[Definition]
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14 |
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15 |
_daemon = proftpd
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16 |
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17 |
__suffix_failed_login = (User not authorized for login|No such user found|Incorrect password|Password expired|Account disabled|Invalid shell: '\S+'|User in \S+|Limit (access|configuration) denies login|Not a UserAlias|maximum login length exceeded).?
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18 |
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19 |
failregex = ^%(__prefix_line)s%(__hostname)s \(\S+\[<HOST>\]\)[: -]+ USER .*: no such user found from \S+ \[\S+\] to \S+:\S+ *$
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20 |
^%(__prefix_line)s%(__hostname)s \(\S+\[<HOST>\]\)[: -]+ USER .* \(Login failed\): %(__suffix_failed_login)s\s*$
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21 |
^%(__prefix_line)s%(__hostname)s \(\S+\[<HOST>\]\)[: -]+ SECURITY VIOLATION: .* login attempted\. *$
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22 |
^%(__prefix_line)s%(__hostname)s \(\S+\[<HOST>\]\)[: -]+ Maximum login attempts \(\d+\) exceeded *$
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23 |
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ignoreregex =
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25 |
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26 |
# Author: Yaroslav Halchenko
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27 |
# Daniel Black - hardening of regex
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