The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets.
Questions tagged [pptp]
88 questions
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PPTP server - Clients still have original IP on the same server
I've configured Poptop (The PPTP Server for Linux) and it is working fine.
Clients are assigned different IP addresses which are visible publicly properly, e.g. on www.whatismyip.com.
But on the same server, all request from clients are recognized…

user3324780
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PPTPD VPN Connects but no Internet access
I have set up a VPN server on CentOS and followed the guide from here:
Guide To PPTPD
I did everything except the firewall because if i keep iptables on, it won't let me connect to the VPN connection, so instead of taking the headache, I turned off…

user3277178
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Port is open on localhost but remote host reports closed port
I am trying to setup a pptp server on Centos,
I open port 1723 (pptp port) with no issues when setting up pptp, and I do a nmap scan to confirm that it is open, however when I nmap the server remotely, it doesnt even list port 1723, by which I…
user2699451
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How to initiate PPTP MSCHAP authentication in java?
I'm trying to implement a PPTP android client in java for a customer.
The authentication is to be done via MSCHAP-v2 (Security not a concern at this level).
My initial idea was that:
if: I send a Start-Ctrl-Connection-Request to the server (via the…

Rajeesh
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Connected through VPN: PHP $_SERVER still gives me local IP
I have setup a PPTP VPN server on AWS and everything works perfectly. When connected to my VPN e.g. www.getip.com shows the IP address of the VPN server.
So far so good...
On the same server I installed an Apache server where I run a PHP script to…

sebastiansieber
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PPTP refusing to connect when client is windows
I have a PPTP server running and I can connect to it from linux. When I try from windows 7 (2 instances tested) it fails. Here's the syslog for such a conn:
pptpd[540]: CTRL: Client 109.xxx.158.201 control connection started
pptpd[540]: CTRL:…

Romeo Mihalcea
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How can I resolve this nmcli issue?
I created a vpn profile using nm-connection-editor then i use nmcli conn up id PJATK PJATK(is the name of the VPN connection). In return, I get
Error: Connection activation failed: Unknown reason
Hint: use 'journalctl -xe…
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Error on connection to PPTP VPN on aws - The VPN connection between your computer and the VPN server could not be completed
I have an EC2 (t2.micro) on aws as a test server and I am trying to create a simple PPTP VPN server with internet connection.
I followed some tutorials and did as follow:
Add roles and feature (Remote Access)
Add a user in computer management with…

Afshin Mobayen Khiabani
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How to create a VPN client for a C# app compatible with windows AND linux
I am trying to code a PPTP VPN client to connect to predefined SMB shares (hard-coded credentials, domain and share names - only PPTP MsChapV2 and EAP supported on server-side, which is out of my control)
I have been trying to google but I guess I…

Arimodu
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connecting Mac Big Sur with pptp network workaround almost working
I have a MacOS Big Sur that no longer accesses the PPTP MSCHAP* network by apple's definition (security issues), but I need to access this network anyway.
What do I did it to solve:
Installed an ec2/ubuntu with a vpn client that accesses this PPTP…

Netun0
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1 answer
Can't receive GRE packet in MacOS
When I want to implement the PPTP client in MacOS, the LCP packet encapsulated in GRE packet can't be received from PPTP server in my computer, the OS is Catalina 10.15.2.
This is my code written in C.
int ppp_fd;
if ((ppp_fd =…

magbone
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does not connect to some sites, when connected to vpn windvoss
using a Windows server, I created a pptp vpn connection, but when connecting, for example, to YouTube, it displays an error that the waiting time was exceeded, to create a vpnk connection, I used this guide…

0xFC
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PPTP site to site tunnel and windows firewall
I have two mikrotik routers and have configured a site-to-site tunnel using pptp.
SiteA = 192.168.88.0/24
SiteB = 192.168.33.0/24
SiteB is the pptp server and I have configured the following secret.
0 name="vpn" service=pptp caller-id=""…

ryanalbrecht
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Avoid prompting users to redial when PPTP connection has been disconnected
I am establishing PPTP connection to the remote server programmatically using RAS api in Windows. The problem is that when server disconnects (for example server stopped) windows automatically prompts user to redial (see screenshot), I don't want…

monkeber
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docker create pptp client using network mode bridge failed
I want to create multiple pptp client with docker, every pptp docker instance should have independent ppp network interface, so docker --network parameter must be [bridge],but i got trouble[LCP: timeout sending Config-Requests] when instance…

W.alieen
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