#!/bin/sh
#
# author : zogs
# email  : <zogs at anche.no>  
# site   : http://www.autistici.org/c0de
#
# title  : sshbk.sh - block on the fly malicious ip 
#
# usage  : sshbk.sh [ip]
# example: ./sshbk.sh 127.0.0.1
#
evil_chk_root(){
	if [ $(whoami) != "root" ] ; then
		evil_usage
	fi
}

evil_usage(){
	echo -e "you must be root: \n root ~ # $0 $1\n or  \n user ~ \$ sudo $0 $1 \n"
	exit
} 	
evil_chk_root

iptables -I INPUT -s $1 -j DROP
iptables -I OUTPUT -d $1 -j DROP
iptables -I FORWARD -d $1 -j DROP
iptables -I FORWARD -s $1 -j DROP
echo "IP $1 drop"