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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How do I get internal hosts to use a VPN connection set up on a FreeBSD router?

Question in short: How do I get traffic from a host on an internal network, using NAT behind a router, to use a VPN connection set up on the router? I have a FreeBSD 9 router with 4 network ...
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123 views

Connection not being routed through VPN

Let's say I have a server at 12.34.56.78 that provides PPTP among other things. Right now I'm on a network that has most outbound ports blocked, and I'm using my VPN to break through the firewall. My ...
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1answer
986 views

Iptables: Selective PPTP VPN routing

I've been able to set up TomatoUSB firmware with Ipredator via PPTP, the configuration is as follows: However, I don't want to use Ipredator PPTP VPN for every machine on my network, how to only ...
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561 views

fortigate 50 b with windows server 2008 vpn

I have a huge problem regarding a vpn set up in windows 2008 which sits behind a fortigate 50b firewall. It's been 1 week and I can't figure out what is going on... Windows 2K8 enterprise is ...
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197 views

Strange PPTP Issue

I have a Windows PPTP VPN Tunnell that I connect to. This terminates on a Win2k8 Server. I authenciate fine to the VPN. I can RDP to my admin workstation fine and from this I can RDP to all of the ...
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Is it possible to set up a pptp server in windows via console?

I want to be able to turn a machine into a pptp server from commandline so that it can be scripted, is this possible?
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343 views

Unable to Connect to PPTP server Debian Linux

I just set up a pptp server on Debian Linux and I can connect to the server from my iPhone when in the same network as the PPTP server. But when I leave my office network, I can't connect to the vpn. ...
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543 views

changeing pptp client default port

I have a pptpd server running on debian. It does not use the default port of 1723 (for some reason), and some pptp client on ubuntu and suse linux. How can I connect to my pptp server?
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change default PPTP TCP port

Is there a way to make pptpd listen for PPTP trafic on a TCP port other than the default 1723 port? I khow that PPTP uses more then just tcp/1723. It also uses GRE. it's not a problem. just how to ...
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637 views

Is there any way to set PPTP on UDP Protocol? [closed]

In our network,many web site has been filtered ,so we should use VPN or Socks ,They reduce any tcp connection speed by dropping random packet (Than post and get on http),So ssh,pptp and ... are so ...
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2answers
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Windows remote access server (PPTP) advertised routes

How does a routing and remote access server pick up routes to advertise to clients, and where can a list of routes being provided be reviewed? One of our users is reporting that the server is ...
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2answers
123 views

Replace Cisco 2600 PTP T1

Our office and an outside location have a dedicated T1 point to point connected with Cisco2600's. We need to eliminate the need of the T1 circuit as it is costly and would like to route the traffic ...
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1answer
156 views

Is it possible to create virual hub for PPTP clients?

There is a Linux machine (A) running pptpd inside a university network behind a firewall but with real IP. I have no access or any knowledge of IP distribution in this network, so I can't just set ...
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1answer
217 views

RRAS VPN Set-Up — Need Insight From Windows Server 2008 Admin

I am hoping that I don't get too many thumbs down for this, I am hoping that someone can point me in the right direction on a project that I am now regretting picking up. I am a Linux Admin by ...
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1answer
385 views

Route Server 08 R2 VPN (PPTP) traffic to two subnets (public & private)

I recently transitioned our VPN server from a Windows Server '03 box to '08 R2, both using built-in Routing and Remote Access for PPTP connections. Our firewall has a rule that forwards traffic from a ...
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1answer
1k views

VPN IP Routing - slow connections

UPDATE: Router error logs show: LCP Time-out 0 I'm not sure how to correct this. The Lan-to-Lan profiles are set to -1 Idle Timeout (for the remote branch). I have a PPTP VPN running between two ...
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1answer
162 views

Do I really need RRAS for serving a PPTP connection?

Setting up PPTP has been a pain so far in Windows Server 2003. I've already tried creating a new network connection, which creates some kind of network adapter for "Incoming connections", which ...
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2answers
324 views

ProCurve 1800 switch issue

I recently deployed ProCurve 1800-24G switches in place of some older ProCurve 2424M switches in my network. However, I'm having a serious problem with the switch connected to the router. It seems, ...
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1answer
215 views

Connect to server via VPN-tunnel to same server

Sorry, if title is unclear, here is the setup: There is machine A, running Linux. A is part of university network and has single network interface with real IP. But connections from outside of campus ...
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2answers
1k views

PPTP connection fails during handshake

A user located on the other side of the planet has troubles connecting to our PPTP VPN. The VPN is a regular windows server 2003 VPN and works fine for most users from the US, but for this specific ...
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1answer
1k views

Ubuntu: pptp client & route all

My purpose is to route all traffic through a pptp connection from a linux machine. (Windows does this automatically after connecting to a pptp server). The command pptpsetup --create TUNNEL --server ...
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1answer
304 views

how to choose secure PPTP password?

I'm running a PPTP server on a ubuntu VPS, which has around 20 users . currently we use passwords like this "bi9_Knh78A#" . is this considered safe ? What's the best method to choose passwords ? How ...
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2answers
307 views

AWS-hosted sites unreachable from my EC2-based VPN

So I setup a simple PPTP VPN on my EC2 Ubuntu instance. However, when I'm connected to that VPN from my laptop, I'm unable to access any AWS-hosted sites/services (times out). Everything else works. ...
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PFSense 2.0 RC 3 - Routing problem with PPTP VPN

I have configured a PPTP VPN on my PFSense 2.0 RC3 router. The internet traffic comes to my modem (10.0.0.0/24) and then through my router (192.168.100.0/24). My PPTP subnet is 192.168.101.0/24. ...
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2answers
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How Does VPN Passthrough Actually Work?

I am interested in PPTP passthrough here not Ipsec etc. I have looked on the net but can't find out how it is done. I am an IT administrator myself and know a lot routing, NAT etc. I think I know how ...
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561 views

Multicast Packets do not Reach all VPN Clients

I am trying to setup a PPTP VPN using RRAS on Server 2008 R2. I've got RRAS setup and working, and clients can connect to it using Windows XP or Windows 7 (my two target platforms.) However, my ...
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892 views

PPTP works on Debian 6.0 but not Debian 5.0 or CentOS?

I installed PPTP successfully on a Debian 6.0 64-bit machine, and tried to mimic the installation on both a Debian 5.0 machine, and a CentOS machine. However, I get error codes on connecting with both ...
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3answers
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Is a PPTP VPN too insecure to consider using?

I need to set up a VPN for our small office. There will only be one person using it, and they will be transmitting private financial information in many cases. I know that PPTP has a number of ...
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4answers
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Is it possible to force PPTP VPN tunnel as the only internet connection on a windows 7 machine?

I use a PPTP VPN tunnel to connect to the internet. I want the connection to cut off if there is a problem with the VPN and it drops/disconnects so there is no way to access the Internet without a ...
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1answer
803 views

Cisco 877 VPN: PPTP encryption not working

A followup to this question. I have a Cisco 877 ADSL router configured (at last!) to act as a VPN server; it supports both PPTP and L2TP VPNs, and I can successfully connect to it from Windows ...
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887 views

PPTP traffic logging

I am running pptpd on a Centos 5 machine but I didnt set up any logging. In case of an abuse, I need to determine which of my users did the bad things, meaning I need to log all the traffic. I may ...
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1answer
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PPTP VPN iptables firewall issues csf

I am having a problem with iptables and a PPTP VPN, I have read related topics both on hear and online but still can't get it to work! I am trying to set up PPTP on an ubuntu server on our local ...
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1answer
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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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1answer
302 views

Can I assign a different DNS for 192.168.*.*?

I'm trying to connect to my company's network via PPTP VPN from Mac OS X. I had a problem which turned out to be wrong netmask configuration which prevented 192.168.10.16 and 17 DNS servers from ...
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1answer
224 views

PPTPd only routing to eth0

How do I enable routing to eth0 without having the ability to communicate amongst pptp clients? I know ip_forward = 1 makes routing of pptp clients possible, but i dont want communication under pptp ...
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1answer
167 views

Setting up pptp-server on vps

I'm trying to set up a pptp-server on my vps, but I'm lost as to what the "localip" and "remoteip" settings have to be. My VPS has only 1 IP address, so I don't really know what to put as a remoteip. ...
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2answers
417 views

VPN server setup on a 2008 R2 Hyper-V VPS

I am renting a Windows 2008 R2 VPS (Hyper-V). It has 1 network adapter which has a public IP statically assigned. I wish to allow incoming VPN connections, so that I can access SMB for a central file ...
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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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983 views

PPTP VPN monitoring web traffic URLs

I setup a PPTP VPN server (pptpd) on Ubuntu 10.04 and need the ability to monitor URLs that are being accessed via the web browser (80/443). I was thinking of utilizing a proxy like Squid, but wanted ...
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3answers
489 views

PPTP VPN on one port

I have a pptp VPN login, it is possible to set this VPN connection to only one port? For example I want to redirect my VPN connection to FTP's port 21. Then access FTP from outside from the VPN ...
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2answers
608 views

VPN personal tunnel/bridge

At our office some of our staff has VPN accounts to another network. Our problem is that each person needs to maintain their own vpn setup and due to our non-perfect ISP they constantly get the ...
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1answer
276 views

How to config 2 interface with pptp?

In this topic Which is the best OS for PPTP ? : server with this CPU and 2 Intel PRO/1000 network adapters really handles ~2 hour peak of 250MBit/s internet traffic on one interface and ...
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149 views

Can I host a VPN service on a shared Windows Host I already have?

I have a windows hosting plan with Plesk control panel, FTP, email and other popular options already found in common windows hosting plans. I want to know whether I can convert my hosting plan to a ...
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198 views

Windows 2003 VPN can't connect to some Computers

Scenario: Windows 2003: RAS as VPN Server 1 LAN Adapter as "Internet Connection" 192.168.2.101 Router ports to PPTP Oppened 1 LAN Adapter as "LAN Connection" 192.168.2.102 The two adapters are ...
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365 views

Windows 7 PPTP VPN problem

I'm currently using an win 7 as an network server at my home. I've created some shared folders wich can be accessed easily from any pc on my network (win and mac computers) recently I decided to ...
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1answer
886 views

Route through site-to-site VPN not working

I'm trying to set up a site-to-site VPN using RRAS on two 2K8r2 servers since yesterday. The connection is working at this point, but I can't get it to send traffic from one site to the other one. ...
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306 views

How to get a high performance PPTP server

I want to make my pptp server can handle 500Mb/s traffic, I think it needs good enough CPU, who can give me one advice about the hardware ? thanks!
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1answer
148 views

How to through PPTP?

Basically I have a PPTP server, and there are pptp end-point and a real network "behind" it with servers and I want to test the bandwidth from a server which is on the real network to the clients ...
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2answers
553 views

once VPNed into pfSense, unable to hit the public URLs of my websites - they are routed to the pfSense box

I have a pfSense box setup as the firewall/router/VPN appliance at my colo. Once I VPN into the colo (either pptp or openvpn, pptp preferred due to multiple clients and ease of configuration), I am ...
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2answers
328 views

Windows VPN with internet access

At work we have a Windows PPTP VPN server. I'm guessing it's an XP server, but I'm not sure and I'm not allowed to peek. At home I have a Mac Mini running Snow Leopard. When I connect to the PPTP ...