Firewall
- !/bin/sh
- apt-get update
- apt-get install iptables
- apt-get install iptables-persistent
iptables -V iptables -I INPUT -p tcp -s 192.168.10.202 -j ACCEPT iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -p tcp --dport 22 -j ACCEPT iptables -A INPUT -p tcp --dport 443 -j ACCEPT iptables -A INPUT -p tcp --dport 1912 -j ACCEPT iptables -A INPUT -p tcp --dport 3306 -j ACCEPT iptables -A INPUT -p tcp --dport 5432 -j ACCEPT iptables -A INPUT -p tcp -s 192.168.10.0/24 -j DROP iptables -L
- iptables-save > /etc/iptables/rules.v4
- systemctl enable iptables-persistent
- service iptables-persistent start
- blok port 22 dari ip 192.168.10.0/24
echo "sshd: 192.168.10.0/255.255.255.0" >> /etc/hosts.deny
- open port 22 dari ip 192.168.10.202
echo "sshd: 192.168.10.202" >> /etc/hosts.allow
- open port 22 dari ip 192.168.10.36
echo "sshd: 192.168.10.36" >> /etc/hosts.allow
- open port 22 dari ip 192.168.10.29
echo "sshd: 192.168.10.29" >> /etc/hosts.allow echo "sshd: 192.168.10.19" >> /etc/hosts.allow