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December 20, 2016 11:21
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# Fail2Ban configuration file | |
# | |
# Author: Cyril Jaquier | |
# | |
# $Revision$ | |
# | |
[INCLUDES] | |
# Read common prefixes. If any customizations available -- read them from | |
# common.local | |
before = common.conf | |
[Definition] | |
_daemon = sshd | |
# Option: failregex | |
# Notes.: regex to match the password failures messages in the logfile. The | |
# host must be matched by a group named "host". The tag "<HOST>" can | |
# be used for standard IP/hostname matching and is only an alias for | |
# (?:::f{4,6}:)?(?P<host>[\w\-.^_]+) | |
# Values: TEXT | |
# | |
failregex = ^%(__prefix_line)s(?:error: PAM: )?Authentication failure for .* from <HOST>\s*$ | |
^%(__prefix_line)s(?:error: PAM: )?User not known to the underlying authentication module for .* from <HOST>\s*$ | |
^%(__prefix_line)sFailed (?:password|publickey) for .* from <HOST>(?: port \d*)?(?: ssh\d*)?$ | |
^%(__prefix_line)sROOT LOGIN REFUSED.* FROM <HOST>\s*$ | |
^%(__prefix_line)s[iI](?:llegal|nvalid) user .* from <HOST>\s*$ | |
^%(__prefix_line)sUser .+ from <HOST> not allowed because not listed in AllowUsers$ | |
^%(__prefix_line)sauthentication failure; logname=\S* uid=\S* euid=\S* tty=\S* ruser=\S* rhost=<HOST>(?:\s+user=.*)?\s*$ | |
^%(__prefix_line)srefused connect from \S+ \(<HOST>\)\s*$ | |
^%(__prefix_line)sAddress <HOST> .* POSSIBLE BREAK-IN ATTEMPT!*\s*$ | |
^%(__prefix_line)sUser .+ from <HOST> not allowed because none of user's groups are listed in AllowGroups\s*$ | |
# Option: ignoreregex | |
# Notes.: regex to ignore. If this regex matches, the line is ignored. | |
# Values: TEXT | |
# | |
ignoreregex = |
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