Point-To-Point Tunnelling Protocol is a networking protocol which exposes a layer 2 tunnel. It uses a TCP connection for control communications, and a GRE tunnel for the actual data. It is typically used to create VPNs.

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VPN PPTPD with MPPE Support for Debian or Ubuntu

Having an unencrypted vpn connection from a windows client to linux is pretty easy by using pptpd. When I was looking for an solution for encrypted (per MPPE) connection, I found a lot of information ...
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PPTP VPN Problem

I am using Debian OS with pptpd. My clients (both Windows and Mac) cannot complete the connection. The following shows in syslog: Jun 2 12:52:37 vpn pptpd[891]: MGR: Maximum of 6 connections ...
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Setting up PPTP VPN server, cannot access remote hosts

I'm attempting to set up a VPN server on an industrial ProRoute M2M 4G router. My goal is for a client to be able to log in on the VPN and be able to "locally" hosts that are on the router's LAN. My ...
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Unable to PPTP through NAT on Cisco 881

I'm trying to connect to a PPTP server which is sat behind a Cisco 881 NAT router. The server is running Ubuntu Server 12.04 and is running Poptop pptpd as the PPTP daemon listening for connections. ...
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pptp vpn client close all inside connections

I setup PPTP-VPN-client on my Centos VPS (guide: http://websistent.com/how-to-configure-a-linux-pptp-vpn-client/ ) when i connect to pptp server from my centos vps all connections(ex ping, ...
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How to disconnect pptp client?

How to disconnect pptp client connected to Cent OS 6.2 server from the server side ? ifdown ppp0 doesn't work.
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Restricting nginx website connection to VPN Users on the same server

My main aim is the following: Install a VPN server on a server, and a website on that server should be accessible only to users that are using the VPN on that same server. First, the two server case ...
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44 views

Can't connect to mt PPTP VPN server

I was following this tutorial to configure a pptp connection between my centos 6 VPS and my fedora 22 workstation. There's only one thing I did different from that tutorial: I installed pptpd from the ...
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17 views

Windows 7 Outbound PPTP Connections

I have various locations that I connect to using Windows 7 PPTP outbound connections. I'm able to make any 2 connections, but the third connection fails. I was wondering if anyone knew of a registry ...
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1k views

PPTP VPN - No internet access though the VPN

I am very new to the world of windows server I'm renting a VM in the USA for my web hosting(DC, DNS and Web host role) and I decided that I would install a VPN on it so I could re-route me ...
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10k views

PPTP connection fails with errors 800/806

I've got a client (Server 2008 R2) that won't connect to our production environment PPTP VPN server (Server 2003, running RRAS). The server is behind a firewall that has TCP1723 open as well as GRE. ...
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Can't establish PPTP VPN windows 8/8.1

I am having an issue where I keep getting either error 800 or 807 whist trying to connect to a VPN server via PPTP on Windows 8 and 8.1 pro. The server itself is Synology's VPN Server running on a ...
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29 views

Cannot connect to SSTP VPN Error 20227

I have a working PPTP VPN on Windows Server 2008 and I can connect to this PPTP VPN on a Windows 10 notebook with an AD-User. But when I am trying to switch to SSTP on my Windows Server by importing ...
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203 views

Cannot Connect to PPTP VPN

I set up a PPTP VPN server (insecure, I know, but this effort is primarily a learning experience) using PPTPD on a spare Ubuntu 15.10 desktop I had laying around, but am unable to connect to it from ...
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11 views

Server 2012 vpn connects but passes no traffic

Ok so a short time ago this server was quite hapily serving vpn clients, About the time the Ca Cert expired the VPN stopped working also, Cert has been renewed and RWW works fine. Whe clients ...
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455 views

server 2012 vpn not passing traffic

Having some major problems with Server 2012 Essentials. Have setup remote access and installed RRAS console. I can connect to the VPN through SSTP or PPTP no problems. Authentication is fine (NAP is ...
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1answer
15 views

Can I have some devices at building 2, connect to the building 2 server (WS2012) as it's gateway, and use that server's VPN connection to building 1?

The situation is as follows Building 1 (B1) is my main site. I have 1 Windows Server 2012 unit at B1 and B2. B1 is a PPTP server. At B2, I have many devices. Most of these devices are constantly on ...
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VPN Clients not able to resolve DNS

I'm having trouble getting VPN clients to see other machines via hostname. IP addresses work fine, though this leads some systems to not working correctly. I'm running Windows Server 2012 AD ...
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19 views

Multiple pptp configurations

My host has an ingoing pptp connection. The files chap-secrets, pptpd.conf and pptpd-options for this connection are generated by an external application and added to /etc/ppp as symlinks; they ...
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863 views

PPTP VPN not working in airport business lounge - alternatives?

Some of the execs in the company I do work for are complaining that they cannot access the (PPTP) VPN from various Business Class airport lounge wireless networks. They can access normal web pages. ...
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pppd “peer refused to authenticate”

I have a working pptpd+pppd server configured which currently has two Windows 7 clients successfully connecting. However, when I try to connect a linux client I'm getting a really weird exchange that ...
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120 views

PPTP: Enable ppp0 interface at boot?

tl;dr Can I ensure the PPTP ppp0 interface is always available, so that nginx and other services can bind to its IP address? I have an nginx server on Ubuntu 12.04 hosting a handful of public sites. ...
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26 views

PPTPD-server split tunnel

Normally the client has to set up the VPN connection to be a split tunnel (not routing internet traffic trough the tunnel, but still have access to local resources), but is this possible to define on ...
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61 views

PPTP with restrictive access to local network for connecting clients

How can I restrict access to my local network for VPN-clients connecting to a VPN-server (PPTPD) located on my network? I would like clients to be able to connect to my linux node running a VPN ...
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VPN Server Disconnecting Hosts With Same LAN IP

When two hosts with the same local IP (e.g. 192.168.1.2) connect to the sonicwall L2TP VPN from behind two entirely separate gateways, one of the hosts gets bounced. I searched around and I think this ...
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71 views

Server 2012: How could I create a DHCP scope just for my RRAS PPTP VPN clients?

I am using Windows Server 2012, and the server in question is both the PPTP server and the primary DHCP server. My current setup has a DHCP scope for this location, and anyone remoting in is assigned ...
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windows pptp vpn client *do not* use default gateway on remote network

By default the windows vpn client has this checked in the advanced tcp/ip settings: Use default gateway on remote network... I do not want to use the default remote gateway... (the clients internet ...
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Server 2012 R2 RRAS Inbound/Outbound Static Filters Not Working

I recently spun up a new Server 2012 R2 VM to use as a PPTP VPN server. The machine is fully patched, and has only the Remote Access role installed. Per standard configuration, the machine has two ...
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7k views

pptp on Ubuntu server can't ping other machines on the LAN

We have a simple pptp setup on our windows 2k3 server. So far all clients can connect just fine, mac and windows. However I tried connecting an ubuntu server using pptp and the connection is fine I ...
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49 views

Setup PPTP VPN on linux for Mac OSX Usage

I have setup a PPTP VPN on my VPS with this script. With chap-secrets: "lunik pptpd XXXX *" But I can't connect it from my mac. I need help please :)
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126 views

No gateway / internet connection with both OpenVPN an PPTPD on Debian Server

I tried setting up a VPN on my Debian 8.2 Server using OpenVPN which was working fine. After a few days I was not getting any internet connection anylonger using OpenVPN and I saw using ipconfig ...
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76 views

Cannot access network resources once connected to VPN

To begin, it's important this excerpt is read and understood before anything is suggested: The VPN configuration has been untouched, as I'm the only admin user, and also the firewall itself has been ...
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187 views

iptables route PPTP VPN through polipo http proxy

I want to route http traffic of my local pptp server to use Polipo http_proxy. So i found this QA : IPTABLES: routing VPN users through transparent Squid but i test on my system & change iptables ...
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1answer
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VPN (PPTP) connects successfully but unable to ping some devices in the LAN

My working company has this router (Cisco RV042G Gigabit Dual WAN VPN Router) and it has the IP 192.168.1.1 with subnet mask 255.255.255.0. It has 3 devices directly connected to its LAN ports, an ...
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Windows 2008 R2 VPN internal ip class

I've managed to setup a Windows 2008 R2 as a VPN (PPTP) server via the Network Policy and Access Services, the server has one network interface with a public IP address (80.9x.xxx.xx) and I am able to ...
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Trouble with site to site VPN configuration

I have an office network that I would like to bridge to my home network so that any computer on the home network can ping any computer on the office network and vice versa. I apologize if this is ...
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31 views

why ssh not route outgoing packages (pptp)?

I have VPS #1 that pptpd and sshuttle installed on it and VPS #2 that have ssh access to it I need to rout trafic from VPS#1 to VPS#2 (by tunnel because pptp not available to vps#2) for users that use ...
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88 views

ec2 VPC: route from private subnet to vpn subnet on vpc peer

I have an Amazon EC2 VPC with private IP address range 172.28.0.0/16. Two instances are in the VPC: alpha (172.28.1.13) and bravo (172.28.1.99). The alpha instance is running a pptp server with ...
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pptp vpn - Kill User Connection

I'd like to be able to terminate a user's connection to my pptp server from the server itself without interrupting anyone else's connection. Problem is - I have no idea how and have found no useful ...
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46 views

Can a poor client VPN connection corrupt a database?

We have a small office with one server and one client that connects to the server’s database for the Sage 300 accounting software. The server is also being used as a workstation for the Sage 300 ...
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1answer
100 views

Poptop configured for freeradius but still authenticates through chap

I'm running Centos 6 64 bit with Poptop and radiusclient. When I connect to my poptop server this error comes up in the error log: Feb 21 14:40:42 alpha pptpd[13225]: CTRL: Client **** control ...
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219 views

ssh from Server to Client through PPTP tunnel

I was able to set up a small PPTP VPN with a Server and two clients. All machines run Ubuntu 14.04. The connection works great and is reliable. I can ping all machines from everywhere. Also HTTP ...
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Pfsense PPTP VPN Error 806

I was previously using another firewall software and simply by port forwarding port 1723 from the ADSL interface to a Windows Server attached to the LAN, we were able to VPN in. Since switching to ...
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1answer
787 views

Multiple VPN connections on the same Computer at the same Time with the same Subnets

What's the best approach for such scenario? : One machine „GATEWAY” SERVER with configured multiple VPN connections. PC1, PC2, PC3, PC4 are the clients that with the same time wants to connect to ...
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Fail in pptp conexion

Hy! I have a pptp client config in linux with this settings: $> cat /etc/ppp/peers/vpnconnection1 pty "pptp <ip_conect> --nolaunchpppd" name name_conect remotename PPTPserver ...
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274 views

Multiple instances of Openvpn with different server IP numbers

Is it possible to assign different ip numbers to different openvpn interfaces on server (Like in PPTPD): Server PC i-face-s: tun0: inet 10.8.1.1 peer 10.8.2.1 tun1: inet 10.8.1.2 peer 10.8.2.2 ...
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Openbsd set connect on PPTP server behind packet filter

I have firewall on OpenBSD use Packet Filter and behind him MS Windows server with PPTP server. I need allow connect this PPTP server from internet. I set in OpenBSD: net.inet.gre.allow=1 ...
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327 views

DDWRT PPTP VPN - Single Network, Single Subnet - Partially Working Config

So I have the following configuration, and it works - sort of: Primary Router - Edge device (UBEE router from provider). This router is the gateway and is assigned 192.168.0.1 This router ...
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49 views

Forwarding Traffic from an PPTP Server to Another Server

I'm facing a problem here. I have 2 servers. Server 1 is a pptp server and server 2 is another without pptp service. I want to forward some of the traffic from server 1 to server 2 through a tunnel ...
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How to view pptpd clients?

I have installed pptpd in my linode vps, and setup a few client accounts. The problem is how could I view current connected pptpd clients in commandline?