block_tor

#!/bin/bash
 
IPTABLES_TARGET="DROP"
IPTABLES_CHAINNAME="TOR"
 
WORKING_DIR="/tmp/"
 
# get IP address of eth0 network interface
IP_ADDRESS=$(ifconfig eth0 | awk '/inet addr/ {split ($2,A,":"); print A[2]}')
 
if ! iptables -L "$IPTABLES_CHAINNAME" -n >/dev/null 2>&1 ; then            #If chain doesn't exist
    iptables -N "$IPTABLES_CHAINNAME" >/dev/null 2>&1               #Create it
fi
 
cd $WORKING_DIR

wget -q -O - "https://check.torproject.org/cgi-bin/TorBulkExitList.py?ip=$IP_ADDRESS&port=80" -U NoSuchBrowser/1.0 > temp_tor_list
wget -q -O - "https://check.torproject.org/cgi-bin/TorBulkExitList.py?ip=$IP_ADDRESS&port=9998" -U NoSuchBrowser/1.0 >> temp_tor_list
sed -i 's|^#.*$||g' temp_tor_list
 
iptables -F "$IPTABLES_CHAINNAME"
 
CMD=$(cat temp_tor_list | uniq | sort)
 
for IP in $CMD; do
    let COUNT=COUNT+1
    iptables -A "$IPTABLES_CHAINNAME" -s $IP -j $IPTABLES_TARGET
done
 
iptables -A "$IPTABLES_CHAINNAME" -j RETURN
 
rm temp_tor*