Files
alpine-web-werver/bin/knockd.sh
T
2019-04-15 19:36:15 +02:00

56 lines
1.2 KiB
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#!/bin/sh
# TODO check if root
echo -e '\033[35m
__ __ __
/ /______ ____ _____/ /______/ /
/ //_/ __ \/ __ \/ ___/ //_/ __ /
/ ,< / / / / /_/ / /__/ ,< / /_/ /
/_/|_/_/ /_/\____/\___/_/|_|\__,_/
\033[0m'
echo -e "\033[35;1mInstalling knockd to control ssh port opening\033[0m"
. bin/checkroot.sh
# get the current position
_cwd="$(pwd)"
# check for assets forlder
_assets="$_cwd/assets"
if [ ! -d "$_assets" ]; then
_assets="$_cwd/../assets"
if [ ! -d "$_assets" ]; then
echo "!! can't find assets directory !!"
exit
fi
fi
sleep 2
apk add knock
echo -n "checking if ufw is installed"
ufw_installed=$(apk list -I | grep "ufw")
if ! $ufw_installed; then
echo -n "ufw installed"
else
. bin/ufw.sh
fi
mv /etc/knockd.conf /etc/knockd.conf.ori
cp "$_assets"/knockd.conf /etc/knockd.conf
echo -n "define a sequence number for opening ssh (as 7000,8000,9000) : "
read sq
sed -i "s/7000,8000,9000/$sq/g" /etc/knockd.conf
rc-update add knockd
/etc/init.d/knockd start
ufw delete allow ssh
echo -e "\033[92;1mknockd installed and configured\033[Om"
echo -e "\033[92;1mplease note this sequence for future ssh knocking\033[Om"
echo "$sq"
sleep 3