BANIP

Simple script Debian pour bannir une ip/range avec iptables facilement ;)

banip image

banip.sh

#!/bin/bash
# Script name : Ban/Unban IP with Iptables

function help {
    echo "Syntax: $0 -[L][u] target(s)"
    echo " Parameters come first. Target is expressed as an IP address."
    echo " No specified parameter will ban the IP."
    echo " -L to list currently banned IPs."
    echo " -u to unban IP(s)."
    exit 1
}

# If no arguments are passed, call the "help" function.
if [ -z "$1" ]; then
    help
fi

# Define some variables
ACTION="-A"
txtred=$(tput setaf 1)
txtyel=$(tput setaf 3)
txtcya=$(tput setaf 6)
txtrst=$(tput sgr0)

while getopts "huL" OPTION
do
    case $OPTION in
        h)
            help
            ;;
        u)
            ACTION="-D"
            shift $(($OPTIND - 1))
            ;;
        L)
            ACTION="-L"
            shift $(($OPTIND - 1))
            ;;
        \?)
            help
            ;;
    esac
done

if [ $ACTION == "-L" ]; then
    echo $txtcya"List of Banned IPs:"$txtrst
    iptables -L INPUT -v -n | grep DROP
else
    # ban work loop
    for ZTARGET in "$@"
    do
        echo $txtcya"Applying action $txtred$ACTION$txtcya to $txtyel$ZTARGET"$txtrst
        iptables $ACTION INPUT -s $ZTARGET -j DROP
       # write ip list file in to root 
      echo $txtyel$ZTARGET >> /root/banip-list.txt
    done
fi

by
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