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

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Setting up VPN on Centos with router doing dhcp

I've successfully setup PPTP VPN on my CentOS 5 server and can connect to it. I've set it up to use the IP range 10.0.1.50-60 and this works and we can ping each other but from what I can tell these ...
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893 views

Can't connect externally to Windows PPTP VPN

I'm trying to setup the basic Windows PPTP VPN so I can access temporarily access my home network while I will be away. My laptop can connect to the VPN Server when on the same network using the VPN ...
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471 views

How does a VPN connection reroute the tunnel when an attack is detected?

Context Eli The Computer Guy says in the Youtube video "VPN - Virtual Private Networking" at 08:25 that a VPN tunnel was shut down and recreated with a different set of routers when an attack was ...
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240 views

Install a VPN Server on Ubuntu or CentOS which is router compatible

I am new to this networking stuff and for the last three days I have been trying to install PPTP VPN Server on my Ubuntu. Computers running XP can connect to it without a single problem, but when I ...
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381 views

How to restrict windows connection (PPTP) to a specific Port or App?

So lets say i want to restrict the PPTP (VPN) connection to specific applications, lets say for example Google Chrome uses the connection and other apps go through it. There is an app called ...
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3k 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 DD-...
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2k views

VPN on OSX disconnects after precisely 2 minutes and 30 seconds on specific network

When connecting to my own VPN server on a specific network, called public-network, my Mac disconnects the VPN connection after 2 minutes and 30 seconds. I have performed several tests and this is the ...
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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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689 views

Tunneling PPTP VPN and network setup for bridged KVM running Windows 7 enterprise on Linux host

I'm using a Win7 provided image from work to run inside qemu-kvm (libvirt/virt-manager). The host is running Debian Wheezy. The Win7 VM wants to join the company AD and has certain tools to check if ...
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1k views

PPTP without GRE: possible?

[I hope this is not off-topic here] I'm trying to set up a PPTP tunnel between a Linux (Debian 6) Server and a Windows 7 Client. The problem is, that the PPTP connection itself (ports 1723 and 47) ...
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334 views

VPN for Home to watch TV on the go

My ISP offers TV on tablets, phones, etc. where I have to use an app, but I still have to have that traffic flow through my modem. What would be the best solution to setting up a VPN for probably just ...
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186 views

Windows 8 VPN PPTP Settings

I am having a problem getting my computer to connect to my companies VPN, the thing is it connects just fine from my Android phone with the default settings so I know it is a problem with the settings ...
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1answer
456 views

Cannot actually use VPN while it's connected?

I've just set up a VPN on my server running Windows Server 2008 R2, but I just found out that even after I've connected to it (PPTP), the traffic does not seem to go through the VPN at all. In other ...
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1answer
899 views

how to find the tcpportnumber in win7's registry?

i read this post: Change PPTP control connection's TCP port number i cannot find the tcpportnumber in win7's registry.so how to change pptp vpn's tcpportnumber in win 7?
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468 views

Forwarding VPN port (1723) disables internet on server

I'm trying to set up a VPN on Windows 7 and I started by forwarding port 1723. However, the exact moment that my router saves the port forwarding, I lose internet access on the PC being forwarded to. ...
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3k views

VPN in Powershell

I am updating an old DOS script which is used to open a Windows PPTP VPN connection between two server, copy some files, then close the connection. I am wanting to rewrite the script in powershell, so ...
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511 views

barebones features for a DD-WRT router acting as PPTP server

I have a little router (Linksys E900) only to act as a VPN server. I have a decent router behind it, handling radio anyway. So I am happy to relegate any other CPU-intensive stuff to the bigger router,...
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582 views

is PPTP VPN server supposed to work in DD-WRT 19342 (or later) big build? with a mac OS 10.8.2 client?

Following up on some confusing comments in the DD-WRT forums, see http://www.dd-wrt.com/phpBB2/viewtopic.php?t=167815 (with a screenshot of settings) In the model-specific thread I learnt that my VPN ...
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677 views

how to troubleshoot asymmetric speed PPTP VPN speed? (downlink to client is slow, the server bandwidth up, and there is no encryption overhead)

I hope I have a general question motivated by my specific problem: I have acceptable upload speeds and unacceptable download speeds on my VPN while I think both endpoints have quite some bandwidth in ...
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570 views

PPTP VPN connection disconnecting when accesing an IP over VPN

I have two PC lan behind a router. I am connecting to my company network through a VPN. I was not able to reach an IP, nor access the internet. The VPN connection would be disconnected automatically. ...
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119 views

PPTP tunnel only wrapping TCP Traffic

I am having difficulty configuring a PPTP VPN using Windows Server 2008 R2 to allow more then just TCP traffic. Connection and authentication work perfectly, but applications that require other ...
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2k views

PPTP: Linux clients unreachable

I have setup a PPTP server on a CentOS 6 box. Several clients (Windows and Linux) connect to this server. All clients use the same subnet. All clients (Win or Lin) can surf the Internet using the VPN ...
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1k 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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6k 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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860 views

Windows 7 client can't connect to CentOS PPTP VPN

Have a Macintosh (10.8.2) that connects just fine to a CentOS 6.0 virtual private server (OpenVZ, with PPP added by the host) via PPTP. A Windows 7 Home Premium client (virtualized in Sun's Virtual ...
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1k views

Trying to connect a Dlink DIR-615 router to a PPTP VPN from behind a Netgear WNDR3700

I have two routers: a Netgear WNDR3700 and a DLink DIR-615 (rev H2) Both are using stock firmware. The Netgear is my primary router (192.168.0.1/24). I'd like to set up the DLink (192.168.2.1/24) to ...
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Failure to connect to PPTP VPN in Ubuntu: VPN plugin failed: 1

I used network-manager-pptp under Ubuntu 12.04 to configure the vpn. IPv4 Settings: Automatic VPN: Gateway - set User name - set Password - Always Ask PPTP Advanced Option: PAP, CHAP, MSCHAP, ...
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572 views

PPTP password expired: how to fix on a linux client

Today, I discovered my team's PPTP passwords expire and I had to figure this out by looking through log files (/var/log/messages). Part 1 of my question is there a way I can start up my PPTP client ...
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1k views

Playing iPad to iPad Wifi games over PPTP VPN

I'm trying to use a VPN to play iPad to iPad Wifi (Local) games over the internet. Normally you open the game on both iPad's, connect to the same Wifi point and they can "see" and speak to each other....
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3k 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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4k views

Configuring cisco as VPN client

I need to configure 857W as PPTP client. PPTP is officialy not supported (there is no such protocol in request-dialin group) but it could be enabled with "service internal". Any way, my questions are ...
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878 views

PPTP VPN and Untangle Device

I have a question regarding PPTP VPN with encryption. I work in an office that uses this untangle device (http://www.untangle.com/). It is a firewall, that also has web blocking, virus blocking, web ...
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446 views

Linux Distro with PPTP/L2TP client support and IP Forwarding

I'm looking for a lightweight linux distro with a nice web based front end that I can throw on a VM to act as a secondary gateway out of my network through a VPN. I currently have a debian VM with ip ...
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217 views

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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3k 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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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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2k 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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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
389 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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754 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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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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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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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
595 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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1k 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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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 ...
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645 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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104 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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4answers
4k views

Why doesn't my PPTP VPN connection stay alive with RDP on WM6.1

I have my Windows Mobile 6.1 Device connecting to my home router via PPTP VPN. I am able to RDP into a machine at home and see the screen. This will last for no more than a minute. The VPN connection ...
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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 ...