iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
sudo iptables -I INPUT 1 -s 192.168.1.124 -j ACCEPT
sudo service iptables save
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
sudo iptables -I INPUT 1 -s 192.168.1.124 -j ACCEPT
sudo service iptables save