├── README.md
├── LICENSE
└── install.sh


/README.md:
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 1 | # PPTP-VPN
 2 | PPTP VPN Installer Script
 3 | 
 4 | 
 5 | A Point-To-Point Tunneling Protocol (PPTP) allows you to implement your own VPN very quickly, and is compatible with most mobile devices. Even though PPTP is less secure than OpenVPN, it is also faster and uses less CPU resources.
 6 | 
 7 | Tested on Ubuntu 17.04 - 22.04 (VPS)
 8 | 
 9 | 
10 | ## Install
11 | 1. Copy script by using `wget https://raw.githubusercontent.com/saaiful/PPTP-VPN/master/install.sh`
12 | 2. Run using `sudo bash install.sh`
13 | 3. Script will ask for username and password for VPN, set them correctly
14 | 4. Connect the VPN and Enjoy :)
15 | 


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/LICENSE:
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 1 | MIT License
 2 | 
 3 | Copyright (c) 2017 Saiful Islam
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/install.sh:
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 1 | #!/bin/bash
 2 | 
 3 | if dpkg-query -W needrestart >/dev/null 2>&1; then
 4 |     sudo sed -i 's/#$nrconf{restart} = '"'"'i'"'"';/$nrconf{restart} = '"'"'a'"'"';/g' /etc/needrestart/needrestart.conf
 5 | fi
 6 | 
 7 | # Get the interface name for the WAN connection using ip a command
 8 | INTERFACE_NAME=$(ip a | awk '/state UP/ {print $2}' | tr -d ':')
 9 | if [[ $INTERFACE_NAME == *"w"* ]]
10 | then
11 |     # WLAN connection detected
12 |     wan=$(ip -f inet -o addr show $INTERFACE_NAME|cut -d\  -f 7 | cut -d/ -f 1)
13 | else
14 |     # Ethernet connection detected
15 |     wan=$(ip -f inet -o addr show $INTERFACE_NAME|cut -d\  -f 7 | cut -d/ -f 1)
16 | fi
17 | 
18 | ppp1=$(/sbin/ip route | awk '/default/ { print $3 }')
19 | ip=$(dig +short myip.opendns.com @resolver1.opendns.com)
20 | 
21 | # Installing pptpd
22 | echo "Installing PPTPD"
23 | sudo apt-get install pptpd -y
24 | 
25 | # edit DNS
26 | echo "Setting Google DNS"
27 | sudo echo "ms-dns 8.8.8.8" >> /etc/ppp/pptpd-options
28 | sudo echo "ms-dns 8.8.4.4" >> /etc/ppp/pptpd-options
29 | 
30 | # Edit PPTP Configuration
31 | echo "Editing PPTP Configuration"
32 | remote="$ppp1"
33 | remote+="0-200"
34 | sudo echo "localip $ppp1" >> /etc/pptpd.conf
35 | sudo echo "remoteip $remote" >> /etc/pptpd.conf
36 | 
37 | # Enabling IP forwarding in PPTP server
38 | echo "Enabling IP forwarding in PPTP server"
39 | sudo echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
40 | sudo sysctl -p
41 | 
42 | # Tinkering in Firewall
43 | echo "Tinkering in Firewall"
44 | if [ -z "$wan" ]
45 | 	then
46 | 		sudo iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE && iptables-save
47 | 		sudo iptables --table nat --append POSTROUTING --out-interface ppp0 -j MASQUERADE
48 | 		$("sudo iptables -I INPUT -s $ip/8 -i ppp0 -j ACCEPT")
49 | 		sudo iptables --append FORWARD --in-interface wlan0 -j ACCEPT
50 | 	else
51 | 		sudo iptables -t nat -A POSTROUTING -o $INTERFACE_NAME -j MASQUERADE && iptables-save
52 | 		sudo iptables --table nat --append POSTROUTING --out-interface ppp0 -j MASQUERADE
53 | 		$("sudo iptables -I INPUT -s $ip/8 -i ppp0 -j ACCEPT")
54 | 		sudo iptables --append FORWARD --in-interface $INTERFACE_NAME -j ACCEPT
55 | fi
56 | 
57 | clear
58 | 
59 | # Adding VPN Users
60 | echo "Set username:"
61 | read username
62 | echo "Set Password:"
63 | read password
64 | sudo echo "$username * $password *" >> /etc/ppp/chap-secrets
65 | 
66 | # Restarting Service 
67 | sudo service pptpd restart
68 | 
69 | echo "All done!"
70 | 


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