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Current Path: /etc/fail2ban/filter.d

etc / fail2ban / filter.d /

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📄 3proxy.conf(467 B)
📄 apache-auth.conf(3.15 KB)
📄 apache-badbots.conf(2.76 KB)
📄 apache-botsearch.conf(1.24 KB)
📄 apache-common.conf(1.58 KB)
📄 apache-fakegooglebot.conf(324 B)
📄 apache-modsecurity.conf(511 B)
📄 apache-nohome.conf(596 B)
📄 apache-noscript.conf(1.22 KB)
📄 apache-overflows.conf(2.13 KB)
📄 apache-pass.conf(362 B)
📄 apache-shellshock.conf(1020 B)
📄 assp.conf(3.41 KB)
📄 asterisk.conf(2.31 KB)
📄 bitwarden.conf(427 B)
📄 botsearch-common.conf(522 B)
📄 centreon.conf(307 B)
📄 common.conf(2.71 KB)
📄 counter-strike.conf(244 B)
📄 courier-auth.conf(429 B)
📄 courier-smtp.conf(512 B)
📄 cyrus-imap.conf(444 B)
📄 directadmin.conf(338 B)
📄 domino-smtp.conf(2.06 KB)
📄 dovecot.conf(2.4 KB)
📄 dropbear.conf(1.69 KB)
📄 drupal-auth.conf(557 B)
📄 ejabberd-auth.conf(1.54 KB)
📄 exim-common.conf(516 B)
📄 exim-spam.conf(2.11 KB)
📄 exim.conf(2.81 KB)
📄 freeswitch.conf(1.88 KB)
📄 froxlor-auth.conf(1.18 KB)
📄 gitlab.conf(236 B)
📄 grafana.conf(388 B)
📄 groupoffice.conf(236 B)
📄 gssftpd.conf(322 B)
📄 guacamole.conf(1.41 KB)
📄 haproxy-http-auth.conf(1.14 KB)
📄 horde.conf(404 B)
📁 ignorecommands
📄 kerio.conf(938 B)
📄 lighttpd-auth.conf(333 B)
📄 mongodb-auth.conf(2.23 KB)
📄 monit.conf(787 B)
📄 murmur.conf(927 B)
📄 mysqld-auth.conf(953 B)
📄 nagios.conf(400 B)
📄 named-refused.conf(1.46 KB)
📄 nginx-botsearch.conf(681 B)
📄 nginx-http-auth.conf(485 B)
📄 nginx-limit-req.conf(1.42 KB)
📄 nsd.conf(760 B)
📄 openhab.conf(452 B)
📄 openwebmail.conf(495 B)
📄 oracleims.conf(1.89 KB)
📄 pam-generic.conf(947 B)
📄 perdition.conf(568 B)
📄 php-url-fopen.conf(891 B)
📄 phpmyadmin-syslog.conf(278 B)
📄 portsentry.conf(242 B)
📄 postfix.conf(3.09 KB)
📄 proftpd.conf(1.14 KB)
📄 pure-ftpd.conf(2.35 KB)
📄 qmail.conf(795 B)
📄 recidive.conf(1.34 KB)
📄 roundcube-auth.conf(1.46 KB)
📄 screensharingd.conf(821 B)
📄 selinux-common.conf(538 B)
📄 selinux-ssh.conf(570 B)
📄 sendmail-auth.conf(776 B)
📄 sendmail-reject.conf(2.88 KB)
📄 sieve.conf(371 B)
📄 slapd.conf(706 B)
📄 softethervpn.conf(451 B)
📄 sogo-auth.conf(722 B)
📄 solid-pop3d.conf(1.07 KB)
📄 squid.conf(260 B)
📄 squirrelmail.conf(191 B)
📄 sshd.conf(7.34 KB)
📄 stunnel.conf(363 B)
📄 suhosin.conf(649 B)
📄 tine20.conf(890 B)
📄 traefik-auth.conf(2.33 KB)
📄 uwimap-auth.conf(374 B)
📄 vsftpd.conf(637 B)
📄 webmin-auth.conf(444 B)
📄 wuftpd.conf(520 B)
📄 xinetd-fail.conf(521 B)
📄 znc-adminlog.conf(912 B)
📄 zoneminder.conf(524 B)

Editing: apache-overflows.conf

# Fail2Ban filter to block web requests on a long or suspicious nature
#

[INCLUDES]

# overwrite with apache-common.local if _apache_error_client is incorrect.
before = apache-common.conf

[Definition]

failregex = ^%(_apache_error_client)s (?:(?:AH0013[456]: )?Invalid (method|URI) in request\b|(?:AH00565: )?request failed: URI too long $longer than \d+$|request failed: erroneous characters after protocol string:|(?:AH00566: )?request failed: invalid characters in URI\b)

ignoreregex =

# DEV Notes:
#
# [sebres] Because this apache-log could contain very long URLs (and/or referrer), 
#          the parsing of it anchored way may be very vulnerable (at least as regards 
#          the system resources, see gh-1790). Thus rewritten without end-anchor ($).
# 
# fgrep -r 'URI too long' httpd-2.*
#   httpd-2.2.25/server/protocol.c:                          "request failed: URI too long (longer than %d)", r->server->limit_req_line);
#   httpd-2.4.4/server/protocol.c:                              "request failed: URI too long (longer than %d)",
#
# fgrep -r 'in request' ../httpd-2.* | fgrep Invalid
#   httpd-2.2.25/server/core.c:                     "Invalid URI in request %s", r->the_request);
#   httpd-2.2.25/server/core.c:                          "Invalid method in request %s", r->the_request);
#   httpd-2.2.25/docs/manual/rewrite/flags.html.fr:avertissements 'Invalid URI in request'.
#   httpd-2.4.4/server/core.c:                     "Invalid URI in request %s", r->the_request);
#   httpd-2.4.4/server/core.c:                              "Invalid method in request %s - possible attempt to establish SSL connection on non-SSL port", r->the_request);
#   httpd-2.4.4/server/core.c:                              "Invalid method in request %s", r->the_request);
#
# fgrep -r 'invalid characters in URI' httpd-2.*
#   httpd-2.4.4/server/protocol.c:                              "request failed: invalid characters in URI");
#
# http://svn.apache.org/viewvc/httpd/httpd/trunk/server/core.c?r1=739382&r2=739620&pathrev=739620
#   ...possible attempt to establish SSL connection on non-SSL port
#
# https://wiki.apache.org/httpd/ListOfErrors
# Author: Tim Connors

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Editing: apache-overflows.conf

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