oneinstack/include/fail2ban.sh

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2024-07-15 13:21:08 +08:00
#!/bin/bash
# Author: yeho <lj2007331 AT gmail.com>
# BLOG: https://linuxeye.com
#
# Notes: OneinStack for CentOS/RedHat 7+ Debian 9+ and Ubuntu 16+
#
# Project home page:
# https://oneinstack.com
# https://github.com/oneinstack/oneinstack
Install_fail2ban() {
pushd ${oneinstack_dir}/src > /dev/null
src_url=${mirror_link}/oneinstack/src/fail2ban-${fail2ban_ver}.tar.gz && Download_src
tar xzf fail2ban-${fail2ban_ver}.tar.gz
pushd fail2ban-${fail2ban_ver} > /dev/null
if command -v python3 > /dev/null 2>&1; then
python3 setup.py install
else
python setup.py install
fi
/bin/cp build/fail2ban.service /lib/systemd/system/
systemctl enable fail2ban
[ -z "`grep ^Port /etc/ssh/sshd_config`" ] && now_ssh_port=22 || now_ssh_port=`grep ^Port /etc/ssh/sshd_config | awk '{print $2}' | head -1`
if [ "${PM}" == 'yum' ]; then
cat > /etc/fail2ban/jail.local << EOF
[DEFAULT]
ignoreip = 127.0.0.1/8
bantime = 86400
findtime = 600
maxretry = 5
backend = auto
banaction = firewallcmd-ipset
action = %(action_mwl)s
[sshd]
enabled = true
filter = sshd
port = ${now_ssh_port}
action = %(action_mwl)s
logpath = /var/log/secure
bantime = 86400
findtime = 600
maxretry = 5
EOF
elif [ "${PM}" == 'apt-get' ]; then
if ufw status | grep -wq inactive; then
ufw default allow incoming
ufw --force enable
fi
cat > /etc/fail2ban/jail.local << EOF
[DEFAULT]
ignoreip = 127.0.0.1/8
bantime = 86400
findtime = 600
maxretry = 5
backend = auto
banaction = ufw
action = %(action_mwl)s
[sshd]
enabled = true
filter = sshd
port = ${now_ssh_port}
action = %(action_mwl)s
logpath = /var/log/auth.log
bantime = 86400
findtime = 600
maxretry = 5
EOF
fi
cat > /etc/logrotate.d/fail2ban << EOF
/var/log/fail2ban.log {
missingok
notifempty
postrotate
/usr/local/bin/fail2ban-client flushlogs >/dev/null || true
endscript
}
EOF
kill -9 `ps -ef | grep fail2ban | grep -v grep | awk '{print $2}'` > /dev/null 2>&1
systemctl start fail2ban
popd > /dev/null
if [ -e "/usr/local/bin/fail2ban-server" ]; then
echo; echo "${CSUCCESS}fail2ban installed successfully! ${CEND}"
else
echo; echo "${CFAILURE}fail2ban install failed, Please try again! ${CEND}"
fi
popd > /dev/null
}
Uninstall_fail2ban() {
systemctl stop fail2ban
systemctl disable fail2ban
rm -rf /usr/local/bin/fail2ban* /etc/init.d/fail2ban /etc/fail2ban /etc/logrotate.d/fail2ban /var/log/fail2ban.* /var/run/fail2ban /lib/systemd/system/fail2ban.service
echo; echo "${CMSG}fail2ban uninstall completed${CEND}";
}