Block Russia via iptables

blockrussia.sh

#!/bin/bash
WORKDIR="/root"
#######################################
cd $WORKDIR
wget --no-check-certificate -c --output-document=iptables-blocklist.txt https://gist.githubusercontent.com/txt3rob/c122b29639c2507079e0ed2a797c75da/raw/russia.txt
if [ -f iptables-blocklist.txt ]; then
  iptables -F
  BLOCKDB="iptables-blocklist.txt"
  IPS=$(grep -Ev "^#" $BLOCKDB)
  for i in $IPS
  do
    iptables -A INPUT -s $i -j DROP
    iptables -A OUTPUT -d $i -j DROP
  done
fi
rm $WORKDIR/iptables-blocklist.txt