reset
This commit is contained in:
ChiefGyk
parent
c05312664d
commit
23f2b1688f
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#!/bin/bash
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## Update fail2ban iptables with globally known attackers.
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## Actually, runs 100% independently now, without needing fail2ban installed.
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##
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## /etc/cron.daily/sync-fail2ban
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##
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## Author: Marcos Kobylecki <fail2ban.globalBlackList@askmarcos.com>
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## http://www.reddit.com/r/linux/comments/2nvzur/shared_blacklists_from_fail2ban/
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## Quit if fail2ban is missing. Maybe this fake requirement can be skipped? YES.
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#PROGRAM=/etc/init.d/fail2ban
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#[ -x $PROGRAM ] || exit 0
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datadir=/etc/fail2ban
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[[ -d "$datadir" ]] || datadir=/tmp
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## Get default settings of fail2ban (optional?)
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[ -r /etc/default/fail2ban ] && . /etc/default/fail2ban
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umask 000
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blacklistf=$datadir/blacklist.blocklist.de.txt
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mv -vf $blacklistf $blacklistf.last
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badlisturls="http://antivirus.neu.edu.cn/ssh/lists/base_30days.txt http://lists.blocklist.de/lists/ssh.txt http://lists.blocklist.de/lists/bruteforcelogin.txt"
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iptables -vN fail2ban-ssh # Create the chain if it doesn't exist. Harmless if it does.
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# Grab list(s) at https://www.blocklist.de/en/export.html . Block.
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echo "Adding new blocks:"
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time curl -s http://lists.blocklist.de/lists/ssh.txt http://lists.blocklist.de/lists/bruteforcelogin.txt \
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|sort -u \
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|tee $blacklistf \
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|grep -v '^#\|:' \
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|while read IP; do iptables -I fail2ban-ssh 1 -s $IP -j DROP; done
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# Which listings had been removed since last time? Unblock.
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echo "Removing old blocks:"
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if [[ -r $blacklistf.diff ]]; then
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# comm is brittle, cannot use sort -rn
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time comm -23 $blacklistf.last $blacklistf \
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|tee $blacklistf.delisted \
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|grep -v '^#\|:' \
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|while read IP; do iptables -w -D fail2ban-ssh -s $IP -j DROP || iptables -wv -D fail2ban-ssh -s $IP -j LOGDROP; done
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fi
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# prepare for next time.
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diff -wbay $blacklistf.last $blacklistf > $blacklistf.diff
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# Saves a copy of current iptables rules, should you like to check them later.
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(set -x; iptables -wnv -L --line-numbers; iptables -wnv -t nat -L --line-numbers) &> /tmp/iptables.fail2ban.log &
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exit
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# iptables v1.4.21: host/network `2a00:1210:fffe:145::1' not found
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# So weed out IPv6, try |grep -v ':'
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## http://ix.io/fpC
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# Option: actionban
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# Notes.: command executed when banning an IP. Take care that the
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# command is executed with Fail2Ban user rights.
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# Tags: See jail.conf(5) man page
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# Values: CMD
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#
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actionban = iptables -I fail2ban-<name> 1 -s <ip> -j <blocktype># Option: actionunban
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# Notes.: command executed when unbanning an IP. Take care that the
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# command is executed with Fail2Ban user rights.
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# Tags: See jail.conf(5) man page
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# Values: CMD
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#
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actionunban = iptables -D fail2ban-<name> -s <ip> -j <blocktype>
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@ -6,39 +6,21 @@
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# ours too. The string is substituted during installation.
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ignoreip = 127.0.0.1/8 PUBLIC_IP
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action = %(action_mwl)s
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# JAILS
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# Uncomment actions out with proper addresses once blocklist.de is configured, I like to send it to two email addresses, in addition to blocklist.de
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[ssh]
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maxretry = 7
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bantime = 3600
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[ssh-ddos]
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enabled = true
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[sasl]
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enabled = true
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[nginx]
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enabled = true
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filter = nginx-http-auth
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port = http,https
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[nginx-badbots]
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enabled = true
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port = http,https
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filter = nginx-badbots
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logpath = /var/log/nginx/access.log
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maxretry = 2
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[dovecot]
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enabled = true
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filter = dovecotimap
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enabled = true
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filter = dovecotimap
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findtime = 30
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maxretry = 20
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logpath = /var/log/mail.log
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@ -47,7 +29,6 @@ logpath = /var/log/mail.log
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enabled = true
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maxretry = 10
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action = iptables-allports[name=recidive]
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# In the recidive section of jail.conf the action contains:
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#
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# action = iptables-allports[name=recidive]
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@ -58,44 +39,3 @@ action = iptables-allports[name=recidive]
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# By default we don't configure this address and no action is required from the admin anyway.
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# So the notification is ommited. This will prevent message appearing in the mail.log that mail
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# can't be delivered to fail2ban@$HOSTNAME.
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# Copied from ChiefGyk's OwnCloud
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[owncloud]
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enabled = true
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filter = owncloud
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logpath = STORAGE_ROOT/owncloud/owncloud.log
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maxretry = 20
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findtime = 300
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[miab-management]
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enabled = true
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filter = miab-management-daemon
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port = http,https
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logpath = /var/log/syslog
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maxretry = 20
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findtime = 30
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[miab-munin]
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enabled = true
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port = http,https
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filter = miab-munin
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logpath = /var/log/nginx/access.log
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maxretry = 20
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findtime = 30
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[miab-postfix587]
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enabled = true
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port = 587
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filter = miab-postfix-submission
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logpath = /var/log/mail.log
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maxretry = 20
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findtime = 30
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[miab-roundcube]
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enabled = true
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port = http,https
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filter = miab-roundcube
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logpath = /var/log/roundcubemail/errors
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maxretry = 20
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findtime = 30
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@ -1,12 +0,0 @@
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# Fail2Ban filter Mail-in-a-Box management daemon
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[INCLUDES]
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before = common.conf
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[Definition]
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_daemon = mailinabox
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failregex = Mail-in-a-Box Management Daemon: Failed login attempt from ip <HOST> - timestamp .*
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ignoreregex =
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[INCLUDES]
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before = common.conf
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[Definition]
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failregex=<HOST> - .*GET /admin/munin/.* HTTP/1.1\" 401.*
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ignoreregex =
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[INCLUDES]
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before = common.conf
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[Definition]
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failregex=Login failed: .*Remote IP: '<HOST>[\)']
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ignoreregex =
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[INCLUDES]
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before = common.conf
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[Definition]
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failregex=postfix/submission/smtpd.*warning.*\[<HOST>\]: .* authentication (failed|aborted)
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ignoreregex =
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[INCLUDES]
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before = common.conf
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[Definition]
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failregex = IMAP Error: Login failed for .*? from <HOST>\. AUTHENTICATE.*
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ignoreregex =
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# Fail2Ban configuration file
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#
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# Regexp to catch known spambots and software alike. Please verify
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# that it is your intent to block IPs which were driven by
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# above mentioned bots.
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[Definition]
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badbotscustom = EmailCollector|WebEMailExtrac|TrackBack/1\.02|sogou music spider
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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 \(Snap Shots, +http\://www\.snap\.com\)|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
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failregex = ^<HOST> -.*"(GET|POST).*HTTP.*"(?:%(badbots)s|%(badbotscustom)s)"$
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ignoreregex =
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# DEV Notes:
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# List of bad bots fetched from http://www.user-agents.org
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# Generated on Thu Nov 7 14:23:35 PST 2013 by files/gen_badbots.
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#
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# Author: Yaroslav Halchenko
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# fail2ban filter configuration for nginx
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[Definition]
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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*$
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^ \[error\] \d+#\d+: \*\d+ no user/password was provided for basic authentication, client: <HOST>, server: \S+, request: "\S+ \S+ HTTP/\d+\.\d+", host: "\S+"\s*$
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ignoreregex =
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# DEV NOTES:
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# Based on samples in https://github.com/fail2ban/fail2ban/pull/43/files
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# Extensive search of all nginx auth failures not done yet.
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#
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# Author: Daniel Black
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# Second entry done by Alon Ganon
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@ -1,8 +0,0 @@
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[INCLUDES]
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before = common.conf
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[Definition]
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_daemon = owncloud
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failregex = {"reqId":".*","remoteAddr":".*","app":"core","message":"Login failed: '.*' \(Remote IP: '<HOST>'\)","level":2,"time":".*","method":".*}
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ignoreregex =
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File diff suppressed because it is too large
Load Diff
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@ -118,26 +118,6 @@ apt_install python3 python3-dev python3-pip \
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netcat-openbsd wget curl git sudo coreutils bc \
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haveged pollinate \
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unattended-upgrades cron ntp fail2ban
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# Add Rootkit hunter
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# I have it install and then update to install dependencies and such
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# It adds a crontab to check daily at 4:15AM
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# Added by Alon "Chief Gyk" Ganon
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apt_install rkhunter binutils libreadline5 ruby ruby1.9.1 unhide.rb
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wget http://downloads.sourceforge.net/project/rkhunter/rkhunter/1.4.2/rkhunter-1.4.2.tar.gz
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tar xzvf rkhunter*
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cd rkhunter*
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./installer.sh --layout /usr --install
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cd ..
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rm -rf rkhunter*
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cp conf/rkhunter/rkhunter.conf /etc/rkhunter.conf.local
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sed -i '/APT_AUTOGEN="false"/c\APT_AUTOGEN="yes"' /etc/default/rkhunter
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rkhunter --update
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rkhunter --propupd
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(crontab -l 2>/dev/null; echo "15 04 * * * /usr/bin/rkhunter --cronjob --update --quiet
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")| crontab -
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# ### Set the system timezone
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#
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@ -312,25 +292,9 @@ restart_service resolvconf
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# ### Fail2Ban Service
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# Configure the Fail2Ban installation to prevent dumb bruce-force attacks against dovecot, postfix and ssh
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# ChiefGyk commented out a filter to use my own temporarily. May be removed later on line 322
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cat conf/fail2ban/jail.local \
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| sed "s/PUBLIC_IP/$PUBLIC_IP/g" \
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> /etc/fail2ban/jail.local
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cp conf/fail2ban/dovecotimap.conf /etc/fail2ban/filter.d/dovecotimap.conf
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cp conf/fail2ban/nginx.conf /etc/fail2ban/filter.d/nginx.conf
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cp conf/fail2ban/miab-management-daemon.conf /etc/fail2ban/filter.d/miab-management-daemon.conf
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cp conf/fail2ban/miab-munin.conf /etc/fail2ban/filter.d/miab-munin.conf
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#cp conf/fail2ban/miab-owncloud.conf /etc/fail2ban/filter.d/miab-owncloud.conf
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cp conf/fail2ban/miab-postfix-submission.conf /etc/fail2ban/filter.d/miab-postfix-submission.conf
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cp conf/fail2ban/miab-roundcube.conf /etc/fail2ban/filter.d/miab-roundcube.conf
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cp conf/fail2ban/owncloud.conf /etc/fail2ban/filter.d/owncloud.conf
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restart_service fail2ban
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# Add Blocklist.de malicious IP Addresses to Daily Crontab
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# Added by Alon "ChiefGyk" Ganon
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cp conf/blocklist/sync-fail2ban /etc/cron.daily/sync-fail2ban
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chmod a+x /etc/cron.daily/sync-fail2ban
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time /etc/cron.daily/sync-fail2ban
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Reference in New Issue