mirror of
https://github.com/nextcloud/nextcloudpi.git
synced 2026-01-10 15:12:01 -03:30
145 lines
3.6 KiB
Bash
Executable File
145 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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# Fail2ban installation script for Raspbian
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# Tested with 2017-03-02-raspbian-jessie-lite.img
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#
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# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
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# GPL licensed (see end of file) * Use at your own risk!
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#
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# Usage:
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#
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# ./installer.sh fail2ban.sh <IP> (<img>)
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#
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# See installer.sh instructions for details
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# More at: https://ownyourbits.com/2017/02/24/nextcloudpi-fail2ban-installer/
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#
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ACTIVE_=yes
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# location of Nextcloud logs
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NCLOG_=/var/www/nextcloud/data/nextcloud.log
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# time to ban an IP that exceeded attempts
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BANTIME_=600
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# cooldown time for incorrect passwords
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FINDTIME_=600
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# bad attempts before banning an IP
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MAXRETRY_=6
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DESCRIPTION="Brute force protection for SSH and NextCloud"
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install()
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{
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apt-get update
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apt-get install fail2ban -y
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update-rc.d fail2ban disable
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}
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configure()
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{
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[[ $ACTIVE_ == "no" ]] && { service fail2ban stop; update-rc.d fail2ban disable; return; }
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touch /var/www/nextcloud/data/nextcloud.log
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chown -R www-data /var/www/nextcloud/data
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cd /var/www/nextcloud
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sudo -u www-data php occ config:system:set loglevel --value=2
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sudo -u www-data php occ config:system:set log_type --value=file
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sudo -u www-data php occ config:system:set logfile --value=$NCLOG_
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cat > /etc/fail2ban/filter.d/nextcloud.conf <<'EOF'
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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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EOF
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cat > /etc/fail2ban/jail.conf <<EOF
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# The DEFAULT allows a global definition of the options. They can be overridden
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# in each jail afterwards.
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[DEFAULT]
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# "ignoreip" can be an IP address, a CIDR mask or a DNS host. Fail2ban will not
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# ban a host which matches an address in this list. Several addresses can be
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# defined using space separator.
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ignoreip = 127.0.0.1/8
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# "bantime" is the number of seconds that a host is banned.
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bantime = $BANTIME_
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# A host is banned if it has generated "maxretry" during the last "findtime"
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# seconds.
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findtime = $FINDTIME_
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maxretry = $MAXRETRY_
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#
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# ACTIONS
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#
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banaction = iptables-multiport
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protocol = tcp
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chain = INPUT
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action_ = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
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action_mw = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
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action_mwl = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]
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action = %(action_)s
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#
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# SSH
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#
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[ssh]
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enabled = true
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port = ssh
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filter = sshd
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logpath = /var/log/auth.log
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maxretry = $MAXRETRY_
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#
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# HTTP servers
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#
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[nextcloud]
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enabled = true
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port = http,https
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filter = nextcloud
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logpath = $NCLOG_
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maxretry = $MAXRETRY_
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EOF
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update-rc.d fail2ban defaults
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service fail2ban restart
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}
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cleanup()
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{
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apt-get autoremove -y
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apt-get clean
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rm /var/lib/apt/lists/* -r
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rm -f /home/pi/.bash_history
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systemctl disable ssh
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}
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# License
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#
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# This script is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this script; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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# Boston, MA 02111-1307 USA
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