centos7安装pptp

centos7安装pptp

安装脚本

!/bin/bash

printhelp() {

echo "
Usage: ./CentOS7-pptp-host1plus.sh [OPTION]
If you are using custom password , Make sure its more than 8 characters. Otherwise it will generate random password for you.
If you trying set password only. It will generate Default user with Random password.
example: ./CentOS7-pptp-host1plus.sh -u myusr -p mypass
Use without parameter [ ./CentOS7-pptp-host1plus.sh ] to use default username and Random password
-u, --username Enter the Username
-p, --password Enter the Password
"
}

while [ "$1" != "" ]; do
case "$1" in
-u | --username ) NAME=$2; shift 2 ;;
-p | --password ) PASS=$2; shift 2 ;;
-h | --help ) echo "$(printhelp)"; exit; shift; break ;;
esac
done

Check if user is root

[ $(id -u) != "0" ] && { echo -e "\033[31mError: You must be root to run this script\033[0m"; exit 1; }

export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
clear

yum -y update
yum -y install epel-release
yum -y install firewalld net-tools curl ppp pptpd

echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf
sysctl -p

no liI10oO chars in password

LEN=$(echo ${#PASS})

if [ -z "$PASS" ] || [ $LEN -lt 8 ] || [ -z "$NAME"]
then
P1=cat /dev/urandom | tr -cd abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789 | head -c 3
P2=cat /dev/urandom | tr -cd abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789 | head -c 3
P3=cat /dev/urandom | tr -cd abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789 | head -c 3
PASS="$P1-$P2-$P3"
fi

if [ -z "$NAME" ]
then
NAME="vpn"
fi

cat >> /etc/ppp/chap-secrets <<END
$NAME pptpd $PASS *
END

cat >/etc/pptpd.conf <<END
option /etc/ppp/options.pptpd
#logwtmp
localip 192.168.2.1
remoteip 192.168.2.10-100
END

cat >/etc/ppp/options.pptpd <<END
name pptpd
refuse-pap
refuse-chap
refuse-mschap
require-mschap-v2
require-mppe-128
ms-dns 223.5.5.5
ms-dns 223.6.6.6
proxyarp
lock
nobsdcomp
novj
novjccomp
nologfd
END

ETH=route | grep default | awk '{print $NF}'

systemctl restart firewalld.service
systemctl enable firewalld.service
firewall-cmd --set-default-zone=public
firewall-cmd --add-interface=$ETH
firewall-cmd --add-port=22/tcp --permanent
firewall-cmd --add-port=1723/tcp --permanent
firewall-cmd --add-masquerade --permanent
firewall-cmd --permanent --direct --add-rule ipv4 filter INPUT 0 -i $ETH -p gre -j ACCEPT
firewall-cmd --reload

cat > /etc/ppp/ip-up.local << END
/sbin/ifconfig $1 mtu 1400
END
chmod +x /etc/ppp/ip-up.local
systemctl restart pptpd.service
systemctl enable pptpd.service

VPN_IP=curl ipv4.icanhazip.com
clear
echo -e "You can now connect to your VPN via your external IP \033[32m${VPN_IP}\033[0m"
echo -e "Username: \033[32m${NAME}\033[0m"
echo -e "Password: \033[32m${PASS}\033[0m"

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