Miscellany

#!/bin/bash
# iptables configuration file

# Flush all current rules
 iptables -F

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

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

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

# Save settings

# Print new settings
 iptables -vL