PPTP stands for "Point-to-Point Tunneling Protocol" and is a method for implementing virtual private networks (VPNs).

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How do I make servers visible on my VPN?

I'm tinkering with web servers on Rackspace, trying to figure out if I can set up a website with public parts and also private parts that are visible only via a VPN connection. I have 2 servers ...
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2answers
2k views

Make a VPN connection only for RDP

I am connecting to a cisco VPN router via PPTP on my windows 7 Ultimate machine. Like most VPN's, it connects just fine but also redirects all of my traffic through the VPN. I really only need RDP ...
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2answers
1k views

Two VPN connections from the same IP address

I have set up a server running Windows Server 2008 which two remote users can dial into using a VPN connection. It works fine unless they are both in the same location, in which case only one of them ...
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1answer
608 views

Making PPTP VPN Secure

I've been reading about the security, or lack of, with regards to a PPTP VPN. The specific things mentioned over and over are the fact that DNS can leak and the encryption is insecure. Is this a ...
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2answers
374 views

Privacy, VPN and routers

Ever since this ACTA push-up the things are starting to heat up around torrents and privacy. I am using Tribler now, but this is not secure enough for me. Not enough privacy. I've been using in the ...
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1answer
1k views

ssh tunnel via specific interface

Client -ssh-> Server --> Internet Normally I initiate an ssh tunnel with: ssh -D 1337 admin@nas On the server I have two interfaces: eth1 and ppp0. Right now it uses eth1 when tunneling, but ...
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1answer
1k views

Conflict of VPN allocated IP address

In my work place, my allocated private IP is 192.168.2.10, and I need to use VPN (PPTP) to another network, which also allocate IP in the same subnet, e.g. (192.168.2.20). What are the best way to ...
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1answer
867 views

How secure PPTP is?

I use my own VPS to serve as a PPTP gateway for my personal PC/laptop/android. It uses 128bit encryption, and MS-CHAPv2 for authentication. The questions are: is it enough to secure my connection ...
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3k views

Set linux routing tables to route F5 vpn and internet traffic

I'm having trouble understanding how my VPN client works, and how to set up my routing tables to do what I would like. Here is the output BEFORE connecting to my vpn Kernel IP routing table ...
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1answer
8k views

Change PPTP control connection's TCP port number

I have some Windows 7 clients that connect via PPTP to a CentOS server, but I would like them to use a port other than 1723 for the control connection as that port is not available. Is there some way ...
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1answer
515 views

How to connect to VPN through firewall

Our admins had blocked all outgoing ports except few like 80, 443, 110 etc. I want to use some software that utilizes other ports. So I decided to make a VPN connection to my dedicated server. So we ...
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1answer
832 views

Linux PPTP VPN and gateway woes

I have an Amazon Linux machine running in an Amazon EC2 instance. I am connecting to my office's VPN as follows: sudo pppd pty "pptp pptp.<DOMAIN>.com --nolaunchpppd --loglevel 2 --debug" file ...
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1answer
563 views

Issue while running PPTP client on Windows 7

I am using the built-in Windows 7 pptp client to connect to some vpn server. The issue is - while it's connected, all my internet traffic goes through that connection, not just the network specific. ...
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1answer
2k views

VPN with D-Link DIR-600 Wireless Router

I just bought a D-Link DIR-600 Wireless Router and was hoping to setup a VPN client using the DD-WRT firmware. But unfortunately my hardware version of DIR-600, known as C1, is not supported by ...
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1answer
96 views

PPTP is allowing any username – even blanks?

I have a PPTP VPN server on my network. I have setup the username and passwords for clients in the chap_secrets file. However when testing with any username or even a blank one, the server accepts ...
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1k views

Can't enable VPN on linux error: VPN connection failed

I have a sony vaio laptop, with ubuntu 11.04 and windows 7 on it. I have configured a VPN connection on ubuntu, in order to connect to my computer at work but it keeps not working, and I get the error ...
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1answer
3k views

Lion built-in VPN client times out connecting to Windows 2003 PPTP server

I have a new iMac with OS X 10.7 (Lion) on it that refuses to connect to a PPTP-based VPN server (running Windows 2003 SBS). To shortcut past a lot of questions: There is a Dell workstation running ...
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1answer
2k views

Why can't I connect to a private VPN Network set up on my local machine?

I am connected through a router to the internet. In Windows 7 Enterprise I set up a private VPN server to connect to, but I can only connect to the default gateway and no further. Everything is on ...
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1answer
3k views

PPTP VPN: External computers can access network, but internal computers can't access external

I've recently set up a VPN for my home (using an Ubuntu host and PPTP, see links at bottom) so I have access to my servers where ever I am, and so far it's worked how I wanted it to. I've got it set ...
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2answers
4k views

pfSense 2.0 - Can PPP L2TP be used to be an L2TP tunnel?

i noticed in pfSense 2.0 (RC3) that my PPPoE interface is now a PPPoE tunnel assigned to my WAN NIC (Network Interface Card): where the PPPOE0(xl0) - ianboyd@superuser.com network port is defined ...
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1answer
781 views

Is it possible to force Windows 7 VPN client to ignore the local network?

I have a PPTP VPN server which I connect to using Windows 7's built in VPN client. I was hoping that the behavior of the VPN client would be such that it would appear that I am physically connected to ...
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1answer
2k views

How can I specify what traffic uses a VPN connection with Windows 7?

Using Windows 7 Professional 64bit PPTP VPN (using the built in networking client) I'm connecting to my home VPN server from my work computer. This previously worked without issues using Windows XP, ...
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2k views

VPN client configuration on Windows using a config file

Is it possible to create a configuration or batch file that will initiate a VPN connection using the built-in Windows PPTP client? I want to build a scripted method that all my external users can use ...
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375 views

How to log username logging into ubuntu PPTP service

I need to log every connection made into our PPTP daemon. I can find the IP address of the client connection from /var/log/daemon.log, but can't find the username that is used to login. When using ...
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1answer
52 views

Does the username have any function when you use VPN over PPTP?

You need to provide a username and a password if you want to connect to a Windows server through VPN using PPTP. Does the provided username have any function? Let's say you use the user name "John" ...
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1answer
2k views

Windows 7 PPTP VPN can ping and HTTP to servers but not Windows Explorer

I just started working from home connecting to the office network over PPTP VPN (I'm using Windows 7 Pro). I have my hosts file set up with the internal IPs of all the servers I need to connect to ...
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1answer
3k views

PPTP: Use LDAP or PAM as authentication backend

I'm using pptpd and pppd on a Debian linux host to provide VPN capabilities to mobile phones. I would like to use my OpenLDAP server for authentication and authorization purposes (instead of keeping ...
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1answer
1k views

OpenVPN Alternative for connection over unreliable line

OpenVPN works great when you're connecting two tunnels over a stable, reliable connection. However, when one of the nodes is connected to the internet via an unstable internet connection (unstable: ...
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2answers
1k views

PPTP alternative windows 7

Can't set up a new vpn connection (I only get "Wizard cannot connect" error message) so I'm looking for an alternative client to connect to my pptp vpn server. Anyone got one? I can't find one.
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3answers
2k views

How can I access blocked sites while in China?

I have some colleagues who need to go to China for work, however while they're there, they can't access a lot of sites. One of which is GMail (Google Apps), which they need for work. We have a UK ...
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2answers
557 views

Are openvpn and pptp mutually interchangeable?

I mean, can I use openvpn client to connect to pptp server, or vice versa: pptp client to connect to openvpn server? I'm building a virtualized mock-up of an ISP infrastructure, which uses the VPN ...
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2answers
1k views

Problem with 2 PPTP VPN connections

I have a problem with my network-manager in Ubuntu 10.10. When I dial one of my VPN connections, my other VPN connections be disabled and I can't use them! I tried to restart network-manager and ...
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2answers
3k views

VPN - PPTPd server setup under Fedora 14?

I've been using Debian as my main server for a while, and have pptpd (PoPToP) allowing me to connect my iOS devices and Windows laptop to my home network. I have switched to Fedora 14 as a learning ...
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1answer
575 views

Set PPTP Passthrough in Mac OS X Snow Leopard

Dear Friends, I have a big problem with VPN PPTP connections in Mac OS X SL and the problem exists in all my computers that I work with. When I connect to a PPTP connection, the connection is good for ...
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4answers
12k views

Persistent routes for DD-WRT PPTP VPN client

My home network in the USA is behind a Buffalo router (G300NH) running their version of DD-WRT. I use the built-in PPTP VPN client to connect to a VPN provider in the UK. I route certain traffic over ...
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1answer
601 views

why does “ipconfig getifaddr ppp0” fail?

I am trying to find my IP on VPN (PPTP) so I tried "ipconfig getifaddr ppp0" but it gave me "get if addr ppp0 failed, (os/kern) failure." Why does it fail and what should I do instead? ifconfig shows ...
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1answer
1k views

Access Windows VPN DNS from Ubuntu

I am using Ubuntu 10.04 to access a Windows VPN. I connect to the VPN from Ubuntu, and when I open a Windows 7 virtual machine (VirtualBox), everything works great ... I can access local network ...
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6answers
16k views

Unable to connect to PPTP VPN with Ubuntu 10.04

I'm trying to connect to my corporate VPN using a laptop running Ubuntu 10.04. It's a company laptop but as I have chosen to run Linux rather than "a proper" OS, I'm mostly on-my-own as far as getting ...
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2answers
2k views

Creating stable, automatically reconnecting PPTP connection in Ubuntu

I've been using network-manager-pptp to create a PPTP VPN connection in my Ubuntu virtual machine for a while now, but I have constant problems with random disconnects. I don't know what the cause of ...
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0answers
3k views

pfSense: Have router connect, and route, to a PPTP server?

i have a main office running a PPTP VPN server (Microsoft Remote Access Services). Is it possible for the pfSense router at a satellite location to automatically route traffic destined for the main ...
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1answer
2k views

MPPE - Forcing strong passwords enough to make PPTP secure?

The title pretty much says it all. Note I'm talking about MS-CHAP v2, not v1. Also using EAP-TLS is not an option (that's why I'm asking this.)
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1answer
652 views

PPTP VPN fails to work after waking from sleep

If I forget to disconnect the PPTP VPN before closing the lid on my Mac, annoying things happen when I open the lid (wake it from sleep). At best, network traffic stops until I disconnect the VPN. If ...
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2answers
5k views

iPhone PPTP cannot use VPN DNS server

My PPTP server allows my laptop to resolve internal domain names fine and I can see that the DHCP server is handing my PPTP client the proper DHCP settings. When I connect through the iPhone, I don't ...
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0answers
478 views

Windows mobile 6.1 vpn service using Witopia connects and immediately disconnects

My samsung Omnia i900 with Windows mobile 6.1. vpn service using Witopia pptp connects and immediately disconnects. Witopia tech sent me the log so I know its connecting, but as soon as I try to ...
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1k views

itshidden.com VPN connection dies and will not reconnect on Ubuntu Server 10.04

I have a ubuntu server which should keep a connection to itshidden.com VPN through PPTP. Somehow, connection dies once in awhile and following lines appear in /var/log/syslog: Jun 24 16:52:54 ...
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1answer
412 views

Can't connect to a win2003 pptp vpn if the cisco vpn service is running

I have a PPTP VPN set-up on a windows 2003 domain controller. Every attempt to connect to the VPN from a client running XP sp3 fails with a 619 error. Googling around I've found a 2006 thread on ...
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1answer
1k views

Problem with PPTP VPN and internet

I have an internet connection the following way : Internet Modem <-> FireWall(not a router, a firewall) <-> PC Everything is setup so my pc has an external ip address, and my firewall takes ...
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2answers
4k views

Sharing internet connection over VPN in Windows XP

How can I share my internet connection with VPN clients using the Windows XP built-in VPN server? I want to be able to use my home internet connection (on an XP machine) from my anywhere using my ...
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1answer
5k views

PPTP VPN from Ubuntu cannot connect

I'm trying to configure under Linux (Kubuntu 9.10) a VPN I already use from Windows. I installed the network-manager-pptp package and added the VPN under Network Manager. These are the parameters ...
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1answer
1k views

Automatically run script after connected to PPTP server

I'm using PPTP connection to connect to my office And I want to add a static route after connected to PPTP server. My problem is my IP on this connection is automatic Is there any way to run a ...