mirror of https://github.com/fail2ban/fail2ban
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.8 KiB
38 lines
1.8 KiB
# Fail2Ban filter for openssh
|
|
#
|
|
|
|
[INCLUDES]
|
|
|
|
# Read common prefixes. If any customizations available -- read them from
|
|
# common.local
|
|
before = common.conf
|
|
|
|
[Definition]
|
|
|
|
_daemon = sshd
|
|
|
|
failregex = ^%(__prefix_line)s(?:error: PAM: )?[aA]uthentication (?:failure|error) for .* from <HOST>( via \S+)?\s*$
|
|
^%(__prefix_line)s(?:error: PAM: )?User not known to the underlying authentication module for .* from <HOST>\s*$
|
|
^%(__prefix_line)sFailed \S+ for .* from <HOST>(?: port \d*)?(?: ssh\d*)?(: (ruser .{0,100}|(\S+ ID \S+ \(serial \d+\) CA )?\S+ %(__md5hex)s(, client user ".{0,100}", client host ".{0,100}")?))?\s*$
|
|
^%(__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\s*$
|
|
^%(__prefix_line)sUser .+ from <HOST> not allowed because listed in DenyUsers\s*$
|
|
^%(__prefix_line)sUser .+ from <HOST> not allowed because not in any group\s*$
|
|
^%(__prefix_line)srefused connect from \S+ \(<HOST>\)\s*$
|
|
^%(__prefix_line)sUser .+ from <HOST> not allowed because a group is listed in DenyGroups\s*$
|
|
^%(__prefix_line)sUser .+ from <HOST> not allowed because none of user's groups are listed in AllowGroups\s*$
|
|
^(?P<__prefix>%(__prefix_line)s)User .+ not allowed because account is locked<SKIPLINES>(?P=__prefix)(?:error: )?Received disconnect from <HOST>: 11: Bye Bye \[preauth\]$
|
|
|
|
ignoreregex =
|
|
|
|
[Init]
|
|
|
|
# "maxlines" is number of log lines to buffer for multi-line regex searches
|
|
maxlines = 10
|
|
|
|
journalmatch = _SYSTEMD_UNIT=sshd.service + _COMM=sshd
|
|
|
|
# Author: Cyril Jaquier, Yaroslav Halchenko, Petr Voralek, Daniel Black
|
|
|