openport

#!/bin/bash

if [ -z "$1" ]; then
    echo "parameters: <port> [t|f]"
    exit
fi

echo "Open  port "$1
if [ -z "$2" ]; then
    #to computer
    iptables -A INPUT  -p tcp --dport $1 -j ACCEPT
    iptables -A OUTPUT -p tcp --sport $1 -j ACCEPT
    #from computer
    iptables -A INPUT  -p tcp --sport $1 -j ACCEPT
    iptables -A OUTPUT -p tcp --dport $1 -j ACCEPT
else
    if [ "$1"="t" ]; then
    #to computer
    iptables -A INPUT  -p tcp --dport $1 -j ACCEPT
    iptables -A OUTPUT -p tcp --sport $1 -j ACCEPT
    else
    #from computer
    iptables -A INPUT  -p tcp --sport $1 -j ACCEPT
    iptables -A OUTPUT -p tcp --dport $1 -j ACCEPT
    fi
fi

echo "OK"