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added Fail2ban filters from #866, #767, and #798 on main branch

This commit is contained in:
ChiefGyk 2016-06-26 10:57:59 -04:00
parent 5f5f00af4a
commit 3b1b70ed16
9 changed files with 222 additions and 4 deletions
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89
conf/fail2ban/jail.local
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@ -6,29 +6,54 @@
# ours too. The string is substituted during installation. # ours too. The string is substituted during installation.
ignoreip = 127.0.0.1/8 PUBLIC_IP ignoreip = 127.0.0.1/8 PUBLIC_IP
action = %(action_mwl)s
# JAILS # JAILS
# Uncomment actions out with proper addresses once blocklist.de is configured, I like to send it to two email addresses
[ssh] [ssh]
maxretry = 7 maxretry = 7
bantime = 3600 bantime = 3600
# action = sendmail-whois-lines[name=ssh, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
[ssh-ddos] [ssh-ddos]
enabled = true enabled = true
# action = sendmail-whois-lines[name=ssh-ddos, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
[sasl] [sasl]
enabled = true enabled = true
# action = sendmail-whois-lines[name=sasl, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
[nginx]
enabled = true
filter = nginx-http-auth
port = http,https
# action = sendmail-whois-lines[name=nginx-http-auth, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
[nginx-badbots]
enabled = true
port = http,https
filter = nginx-badbots
# action = sendmail-whois-lines[name=nginx-badbots, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
logpath = /var/log/nginx/access.log
maxretry = 2
[dovecot] [dovecot]
enabled = true enabled = true
filter = dovecotimap filter = dovecotimap
findtime = 30 findtime = 30
maxretry = 20 maxretry = 20
logpath = /var/log/mail.log # action = sendmail-whois-lines[name=dovecot, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
[recidive] [recidive]
enabled = true enabled = true
maxretry = 10 maxretry = 10
action = iptables-allports[name=recidive] action = iptables-allports[name=recidive]
# sendmail-whois-lines[name=recidive, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
# In the recidive section of jail.conf the action contains: # In the recidive section of jail.conf the action contains:
# #
# action = iptables-allports[name=recidive] # action = iptables-allports[name=recidive]
@ -39,3 +64,59 @@ action = iptables-allports[name=recidive]
# By default we don't configure this address and no action is required from the admin anyway. # By default we don't configure this address and no action is required from the admin anyway.
# So the notification is ommited. This will prevent message appearing in the mail.log that mail # So the notification is ommited. This will prevent message appearing in the mail.log that mail
# can't be delivered to fail2ban@$HOSTNAME. # can't be delivered to fail2ban@$HOSTNAME.
# Copied from ChiefGyk's OwnCloud
# [owncloud]
# enabled = true
# filter = owncloud
# action = sendmail-whois-lines[name=owncloud, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
# logpath = /home/user-data/owncloud/owncloud.log
# maxretry = 20
# findtime = 300
# bantime = 300
[miab-management]
enabled = true
filter = miab-management-daemon
# action = sendmail-whois-lines[name=miab-management, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
port = http,https
logpath = /var/log/syslog
maxretry = 20
findtime = 30
[miab-munin]
enabled = true
port = http,https
filter = miab-munin
# action = sendmail-whois-lines[name=miab-munin, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
logpath = /var/log/nginx/access.log
maxretry = 20
findtime = 30
[miab-owncloud]
enabled = true
port = http,https
filter = miab-owncloud
# action = sendmail-whois-lines[name=miab-owncloud, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
logpath = /home/user-data/owncloud/owncloud.log
maxretry = 20
findtime = 30
[miab-postfix587]
enabled = true
port = 587
filter = miab-postfix-submission
# action = sendmail-whois-lines[name=miab-postfix-submission, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
logpath = /var/log/mail.log
maxretry = 20
findtime = 30
[miab-roundcube]
enabled = true
port = http,https
filter = miab-roundcube
action = sendmail-whois-lines[name=miab-roundcube, dest="<USER>@<DOMAIN>.<TLD>,<USER2>@<DOMAIN2>.<TLD2>,fail2ban@blocklist.de", sender=fail2ban@box.<SERVER>.<TLD>, sendername="Fail2Ban"]
logpath = /var/log/roundcubemail/errors
maxretry = 20
findtime = 30

12
conf/fail2ban/miab-management-daemon.conf Normal file
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@ -0,0 +1,12 @@
# Fail2Ban filter Mail-in-a-Box management daemon
[INCLUDES]
before = common.conf
[Definition]
_daemon = mailinabox
failregex = Mail-in-a-Box Management Daemon: Failed login attempt from ip <HOST> - timestamp .*
ignoreregex =

20
conf/fail2ban/miab-munin.conf Normal file
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@ -0,0 +1,20 @@
# Fail2Ban filter Mail-in-a-Box management daemon
[INCLUDES]
before = common.conf
[Definition]
_daemon = mailinabox
failregex = Mail-in-a-Box Management Daemon: Failed login attempt from ip <HOST> - timestamp .*
ignoreregex =
alon@box:/etc/fail2ban$ cat filter.d/miab-munin.conf
[INCLUDES]
before = common.conf
[Definition]
failregex=<HOST> - .*GET /admin/munin/.* HTTP/1.1\" 401.*
ignoreregex =

28
conf/fail2ban/miab-owncloud.conf Normal file
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@ -0,0 +1,28 @@
# Fail2Ban filter Mail-in-a-Box management daemon
[INCLUDES]
before = common.conf
[Definition]
_daemon = mailinabox
failregex = Mail-in-a-Box Management Daemon: Failed login attempt from ip <HOST> - timestamp .*
ignoreregex =
alon@box:/etc/fail2ban$ cat filter.d/miab-munin.conf
[INCLUDES]
before = common.conf
[Definition]
failregex=<HOST> - .*GET /admin/munin/.* HTTP/1.1\" 401.*
ignoreregex =
alon@box:/etc/fail2ban$ cat filter.d/miab-owncloud.conf
[INCLUDES]
before = common.conf
[Definition]
failregex=Login failed: .*Remote IP: '<HOST>[\)']
ignoreregex =

7
conf/fail2ban/miab-postfix-submission.conf Normal file
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@ -0,0 +1,7 @@
[INCLUDES]
before = common.conf
[Definition]
failregex=postfix/submission/smtpd.*warning.*\[<HOST>\]: .* authentication (failed|aborted)
ignoreregex =

9
conf/fail2ban/miab-roundcube.conf Normal file
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@ -0,0 +1,9 @@
[INCLUDES]
before = common.conf
[Definition]
failregex = IMAP Error: Login failed for .*? from <HOST>\. AUTHENTICATE.*
ignoreregex =

38
conf/fail2ban/nginx-badbots.conf Normal file
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@ -0,0 +1,38 @@
# fail2ban filter configuration for nginx
[Definition]
failregex = ^ \[error\] \d+#\d+: \*\d+ user "\S+":? (password mismatch|was not found in ".*"), client: <HOST>, server: \S+, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"\s*$
^ \[error\] \d+#\d+: \*\d+ no user/password was provided for basic authentication, client: <HOST>, server: \S+, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"\s*$
ignoreregex =
# DEV NOTES:
# Based on samples in https://github.com/fail2ban/fail2ban/pull/43/files
# Extensive search of all nginx auth failures not done yet.
#
# Author: Daniel Black
alon@box:/etc/fail2ban$ cat filter.d/nginx-badbots.conf
# Fail2Ban configuration file
#
# Regexp to catch known spambots and software alike. Please verify
# that it is your intent to block IPs which were driven by
# above mentioned bots.
[Definition]
badbotscustom = EmailCollector|WebEMailExtrac|TrackBack/1\.02|sogou music spider
badbots = Atomic_Email_Hunter/4\.0|atSpider/1\.0|autoemailspider|bwh3_user_agent|China Local Browse 2\.6|ContactBot/0\.2|ContentSmartz|DataCha0s/2\.0|DBrowse 1\.4b|DBrowse 1\.4d|Demo Bot DOT 16b|Demo Bot Z 16b|DSurf15a 01|DSurf15a 71|DSurf15a 81|DSurf15a VA|EBrowse 1\.4b|Educate Search VxB|EmailSiphon|EmailSpider|EmailWolf 1\.00|ESurf15a 15|ExtractorPro|Franklin Locator 1\.8|FSurf15a 01|Full Web Bot 0416B|Full Web Bot 0516B|Full Web Bot 2816B|Guestbook Auto Submitter|Industry Program 1\.0\.x|ISC Systems iRc Search 2\.1|IUPUI Research Bot v 1\.9a|LARBIN-EXPERIMENTAL \(efp@gmx\.net\)|LetsCrawl\.com/1\.0 +http\://letscrawl\.com/|Lincoln State Web Browser|LMQueueBot/0\.2|LWP\:\:Simple/5\.803|Mac Finder 1\.0\.xx|MFC Foundation Class Library 4\.0|Microsoft URL Control - 6\.00\.8xxx|Missauga Locate 1\.0\.0|Missigua Locator 1\.9|Missouri College Browse|Mizzu Labs 2\.2|Mo College 1\.9|MVAClient|Mozilla/2\.0 \(compatible; NEWT ActiveX; Win32\)|Mozilla/3\.0 \(compatible; Indy Library\)|Mozilla/3\.0 \(compatible; scan4mail \(advanced version\) http\://www\.peterspages\.net/?scan4mail\)|Mozilla/4\.0 \(compatible; Advanced Email Extractor v2\.xx\)|Mozilla/4\.0 \(compatible; Iplexx Spider/1\.0 http\://www\.iplexx\.at\)|Mozilla/4\.0 \(compatible; MSIE 5\.0; Windows NT; DigExt; DTS Agent|Mozilla/4\.0 efp@gmx\.net|Mozilla/5\.0 \(Version\: xxxx Type\:xx\)|NameOfAgent \(CMS Spider\)|NASA Search 1\.0|Nsauditor/1\.x|PBrowse 1\.4b|PEval 1\.4b|Poirot|Port Huron Labs|Production Bot 0116B|Production Bot 2016B|Production Bot DOT 3016B|Program Shareware 1\.0\.2|PSurf15a 11|PSurf15a 51|PSurf15a VA|psycheclone|RSurf15a 41|RSurf15a 51|RSurf15a 81|searchbot admin@google\.com|ShablastBot 1\.0|snap\.com beta crawler v0|Snapbot/1\.0|Snapbot/1\.0 \(Snap Shots&#44; +http\://www\.snap\.com\)|sogou develop spider|Sogou Orion spider/3\.0\(+http\://www\.sogou\.com/docs/help/webmasters\.htm#07\)|sogou spider|Sogou web spider/3\.0\(+http\://www\.sogou\.com/docs/help/webmasters\.htm#07\)|sohu agent|SSurf15a 11 |TSurf15a 11|Under the Rainbow 2\.2|User-Agent\: Mozilla/4\.0 \(compatible; MSIE 6\.0; Windows NT 5\.1\)|VadixBot|WebVulnCrawl\.unknown/1\.0 libwww-perl/5\.803|Wells Search II|WEP Search 00
failregex = ^<HOST> -.*"(GET|POST).*HTTP.*"(?:%(badbots)s|%(badbotscustom)s)"$
ignoreregex =
# DEV Notes:
# List of bad bots fetched from http://www.user-agents.org
# Generated on Thu Nov 7 14:23:35 PST 2013 by files/gen_badbots.
#
# Author: Yaroslav Halchenko

17
conf/fail2ban/nginx.conf Normal file
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@ -0,0 +1,17 @@
# fail2ban filter configuration for nginx
[Definition]
failregex = ^ \[error\] \d+#\d+: \*\d+ user "\S+":? (password mismatch|was not found in ".*"), client: <HOST>, server: \S+, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"\s*$
^ \[error\] \d+#\d+: \*\d+ no user/password was provided for basic authentication, client: <HOST>, server: \S+, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"\s*$
ignoreregex =
# DEV NOTES:
# Based on samples in https://github.com/fail2ban/fail2ban/pull/43/files
# Extensive search of all nginx auth failures not done yet.
#
# Author: Daniel Black
# Second entry done by Alon Ganon

6
setup/system.sh
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@ -296,5 +296,11 @@ cat conf/fail2ban/jail.local \
| sed "s/PUBLIC_IP/$PUBLIC_IP/g" \ | sed "s/PUBLIC_IP/$PUBLIC_IP/g" \
> /etc/fail2ban/jail.local > /etc/fail2ban/jail.local
cp conf/fail2ban/dovecotimap.conf /etc/fail2ban/filter.d/dovecotimap.conf cp conf/fail2ban/dovecotimap.conf /etc/fail2ban/filter.d/dovecotimap.conf
cp conf/fail2ban/nginx.conf /etc/fail2ban/filter.d/nginx.conf
cp conf/fail2ban/miab-management-daemon.conf /etc/fail2ban/filter.d/miab-management-daemon.conf
cp conf/fail2ban/miab-munin.conf /etc/fail2ban/filter.d/miab-munin.conf
cp conf/fail2ban/miab-owncloud.conf /etc/fail2ban/filter.d/miab-owncloud.conf
cp conf/fail2ban/miab-postfix-submission.conf /etc/fail2ban/filter.d/miab-postfix-submission.conf
cp conf/fail2ban/miab-roundcube.conf /etc/fail2ban/filter.d/miab-roundcube.conf
restart_service fail2ban restart_service fail2ban