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29 lines
1.2 KiB
29 lines
1.2 KiB
4 years ago
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#!/bin/sh
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sudo apt-get update -y # To get the latest package lists
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sudo apt install rsyslog -y #instal auth.log
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sudo service rsyslog start #start syslog
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#grep "Failed password" /var/log/auth.log #check for login failures
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#grep "Failed password" /var/log/auth.log | awk ‘{print $11}’ | uniq -c | sort
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sudo cat /var/log/auth.log | grep "Failed password"
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#sudo apt install fail2ban -y
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sudo service fail2ban enable
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sudo service fail2ban start
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sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
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sudo sed -i '244d' /etc/fail2ban/jail.local
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sudo sed -i '239 a enabled = true' /etc/fail2ban/jail.local
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sudo sed -i '240 a maxretry = 3' /etc/fail2ban/jail.local
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sudo sed -i '241 a bantime = 300' /etc/fail2ban/jail.local
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sudo sed -i '242 a findtime = 30' /etc/fail2ban/jail.local
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sudo sed -i '243 a chain = INPUT' /etc/fail2ban/jail.local
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sudo sed -i '244 a port = 22' /etc/fail2ban/jail.local
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sudo sed -i '245 a action_ = iptables-multiport[name=%(__name__)s, bantime="%(bantime)s", port="%(port)s", protocol="%(protocol)s", chain="%(chain)s"]' /etc/fail2ban/jail.local
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sudo service fail2ban restart
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sudo fail2ban-client status sshd
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sudo iptables -L
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#end
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