#!/bin/bash
# iptables configuration file

# Flush all current rules
 iptables -F

# Set default policies from INPUT, FORWARD and OUTPUT chains
 iptables -P INPUT DROP
 iptables -P FORWARD DROP
 iptables -P OUTPUT ACCEPT

# Set ping limits
 iptables -A INPUT -p icmp -m limit --limit 1/second --limit-burst 5 -j ACCEPT

# Set exceptions for services
# iptables -A INPUT -p tcp -s 192.168.0.0/24 --dport 22 -m state --state NEW -j ACCEPT
 iptables -A INPUT -p tcp --dport 22 -m limit --limit 6/minute -j ACCEPT
# iptables -A INPUT -p tcp --dport 22 -j ACCEPT

# Set access for localhost
 iptables -A INPUT -i lo -j ACCEPT

# Print new settings
 clear
 iptables -vL