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#!/bin/sh
#By default the sshd listen only for local connection.
if [[ $1 == "disable" ]]; then
if [[ $(cat /etc/ssh/sshd_config | grep -e "^ListenAddress") == "" ]]; then
sudo sed -i -e 's/#ListenAddress ::/#ListenAddress ::\nListenAddress 127.0.0.1/g' /etc/ssh/sshd_config
sudo systemctl restart sshd.service
fi
echo "sshd listen now only for local address 127.0.0.1."
elif [[ $1 == "enable" ]]; then
sudo sed -i -e '/ListenAddress 127.0.0.1/d' /etc/ssh/sshd_config
sudo systemctl restart sshd.service
echo "sshd listen now for all address."
elif [[ $1 == "status" ]]; then
echo $(sudo systemctl status sshd.service)
echo "sshd conf say:"
echo $(cat /etc/ssh/sshd_config | grep -e "^ListenAddress")
elif [[ $1 == "start" || $1 == "stop" || $1 == "restart" ]]; then
sudo systemctl $1 sshd.service
fi
sudo -k
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