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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Openvpn server behind NAT router with PPTP connection to service provider

I have Zyxel router connected to service provider using PPTP. Behind the router there is a Ubuntu box with OpenVPN server. I would like to forward a port for OpenVPN server to access it from internet. ...
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24 views

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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13 views

Persistent PPTP 807 through a single 877w edge router

Im setting up another vpn for cleaning malware infected computers remotely and some other things, Normally id use SSTP nat tcp 443 and be done in 5 minutes but in this case I need to use another ...
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2answers
169 views

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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8 views

changing pptp client default port

I am trying to setup PPTP connections to 2 separate servers through a firewall. No problem for one server, just port forwarded ports 47 and 1723 on through to server 1. To connect to server 2 my ...
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30 views

PPTP and windows 7 809 error [closed]

I want to connect from home to my router(linux mashine) at work. i have installed pptpd. i have added following fw rules: iptables -I INPUT -p tcp --dport -j ACCEPT iptables -I INPUT -p gre -j ...
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48 views

Is there a logical reason why Amazon EC2 won't allow me to specify a port when using GRE?

I want to set up PPTP in EC2 and am configuring a security group. I've already selected the "custom protocol" and am using protocol 47 / GRE. When I select this, the port section is read only. Is ...
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68 views

Site-to-Site PPTP VPN connection between two Windows Server 2008 R2 servers

We have two Windows Server 2008 R2 machines, one in our main office and one in a new office which we have just moved offsite. The main office has previously been handling client-to-server PPTP VPN ...
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28 views

PPTP server/client to client communication fails

I have some problems with my PPTP VPN server on Debian 7 x86. I'm mainly using Windows clients to connect to the VPN and this works. The VPN connection from client to server works, because in the ...
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116 views

VPN pptp connection Unable to pass through linux iptables

I have set up a windows VPN server behind Linux - Ubuntu box that is working as firewall and proxy server. Now I want people from outside to be able to connect to the VPN server, but the connection is ...
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1answer
76 views

Set up multiple VPN's with a static ip with PPTP with only 1 vpn-login

I have a VPS with Ubuntu 12.04 x64 and i need to connect 118 VPN's to interfaces with (pon vpnname). I've made a script that creates them all, the problem is that no interface will have a unique local ...
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76 views

Windows 8.1 VPN stopped working on Windows server 2008 R2

Background: All the Windows 7 pro machines can connect to VPN via PPTP or SSTP on a Windows 2008 R2 VPN server fine. But windows 8.1 Pro can't. It generates 720 on the machine and on the server with ...
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57 views

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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71 views

Trying to change a custom VPN port back to the original on Fortigate 40C

We recently changed our firewall and bought a Fortigate 40C device. We wanted to use our old VPN settings. The Fortigate support technician told us that this model was new and he didn't know it in ...
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54 views

how to manage bandwidth and amount of traffic over pptp?

I'm running Ubuntu 12.04.4 and using it as internet server , file server and printer server. The problem is that my company manager decided to limit bandwidth and the amount of data per user per ...
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1answer
98 views

Network remapping with iptables and PPTP VPN

I have two different networks: Home network 192.168.1.0/24 A - Home PC (192.168.1.100) B - Home Router (192.168.1.1 lan ip - x.x.x.x public ip) Office network 192.168.1.0/24 C - File Server ...
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114 views

Cannot connect VPN Server On Ubuntu Server 12.04 Using PPTP

I am trying to replace the old gateway server (running Fedora core 5) in my lab with a new one (running Ubuntu server 12.04). Three basic functions need to install: NAT, DHCP and VPN. And I got stuck ...
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335 views

VPN error 619 - “A connection to the remote computer could not be established.”

Have been trying to get this PPTP VPN working on a CentOS 6 x64 VPS for a few days but im getting: "Error 619 - A connection to the remote computer could not be established." I did research on ...
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58 views

Accessing Server Remotely Without Forwarding Ports?

I'm setting up a Debian web server in my school that people need to be able to access outside of the school (i.e. website needs to be accessible from outside the local network). The problem is, they ...
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1answer
45 views

Incorrect IP for PPTP client on Rackspace VM

I'm using pptp-linux to connect to a (Windows) VPN. I can connect and authenticate just fine, however I can't ping any hosts on the remote LAN other than the VPN server. I think this is because my VM ...
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215 views

mikrotik : vpn pptp authentication with any username

I want To use Mikrotik To Accept pptp connection with any username/password and maybe just with source IP address? How Can I do That?
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130 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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45 views

enable user to connect to external pptp VPN server

I want to enable local user to connect to remote VPN server I added those rules to the iptables but still not able to connect -A OUTPUT -p gre -j ACCEPT -A OUTPUT -p tcp -m tcp --dport 1723 -j ACCEPT ...
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96 views

Load-balancing PPTP connections

I'm trying to load balance two PPTP connections, connected to the same server. I use the following script, but there is no send and receive via PPTP connections. What part am I doing wrong? Are there ...
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66 views

Error with a vpn client (PPTP protocole) over ssh

I have some errors when I use PPTP over ssh : sudo ssh -L 1723:127.0.0.1:1723 vpn-server@$192.168.1.1 192.168.1.1 is the vpn server ip. When I start pppd (client) whith the following command : ...
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1k views

PPTP defaultroute. Want to route all traffic via ppp interface

I'm experiencing a problem described here: http://pptpclient.sourceforge.net/howto-diagnosis.phtml#lots_of_data. If I use defaultroute in peer conf or manually add route add default dev ppp0 ...
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21 views

Create a pptp tunnel through a exisiting domain [closed]

I want to create a tunnel (preferably pptp) via a website that I created I am renting a domain from an ISP with a linux os, is it possible to create it?
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40 views

Is secure pptp not possible on Ubuntu?

From [1], it was said that 1) All users and providers of PPTP VPN solutions should immediately start migrating to a different VPN protocol. PPTP traffic should be considered ...
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195 views

Fortigate VPN can't reach site

I've two Fortigate's here and I use one of them for each site. Site A Site B 192.168.2.0/24 <---------- VPN ...
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154 views

RRAS behind Ubiquity EdgeMAX drops PPTP tunnel

I have a Server 2008 R2 machine behind an Ubiquiti EdgeMAX router. The router has been configured as a NAT, and all GRE traffic along with the TCP control port (1723) has been forwarded to the ...
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39 views

Open ports for VPN users

I have been looking around for some time for answer to this, and have yet to find one. The issue that I am having is that users that are connected to the VPN cannot do the following, as examples: ...
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227 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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152 views

Vyatta Remote Access VPN firewall (PPTP)

I am using Vyatta Remote Access VPN (PPTP) and NAT for proxy. When pc-A and pc-B are connected to VPN, pc-A ipaddress is 192.168.10.10 and pc-B is 192.168.10.11. ...
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674 views

How do you troubleshoot a PPTP+VPN+RDP freeze-up?

The symptoms are: I am at home. I am trying to dial a PPTP VPN. It connects fine. Pinging from command line in windows shows about a 30% ping success rate when the PPTP vpn is up, 100% ping success ...
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149 views

How to make httpd accessible only through the VPN?

I have a server running PPTP that is supposed to run an httpd (nginx) accessible only through the VPN. I'm also running a few other httpds too, which are not supposed to work on the VPN. routing ...
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30 views

How to make httpd accessible only through the VPN?

I have a server running PPTP that is supposed to run an httpd (nginx) accessible only through the VPN. I'm also running a few other httpds too, which are not supposed to work on the VPN. routing ...
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74 views

Windows XP VPN server with Ubuntu client

I'm trying to setup VPN connection to Windows XP server with a static public IP address from my Ubuntu machine. VPN used is standart windows built-in PPTP. I have got problem when connecting. Here is ...
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1answer
120 views

Unable to connect networkshares through VPN (RRAS server only)

I have a Windows Server 2008 SP2 with these Roles installed: File server Network Policy and Access Server / Routing and Remote Access Network Policy and Access Server / NPS The VPN connection is ...
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1answer
32 views

VPN connected but no access to anything

I have a problem with the VPN server on 2008R2. I can successfully connect to the VPN server but i cannot map any drives either by IP or by name. I can ping hosts by ip but not the name. In addition I ...
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1answer
75 views

VPN client to client port forwarding

I have an EC2 Amazon instance running a vpn server with 192.168.240.1-9 ip range. I can connect my Macbook to this VPN (using system pref.) and a Raspberry Pi, using this command line: sudo ...
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1answer
365 views

PPTP disconnects when peers disconnect

Just setup a Ubuntu 13.10 on a server, and configured PPTP VPN. Everything works just fine, until another peer disconnects his VPN connection. I was able to consistently simulate this by connecting ...
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2answers
367 views

Allow RDP only over VPN

I want to do allow 3389 port(RDP) only through VPN connection, not normally. How can I do this? I have configured VPN server in Mikrotik. I have blocked all traffic except http and https by firewall ...
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56 views

VPN/PPTP connection dialog doesn't list my certificate to choose

I'm trying to configure VPN connection with PPTP and authentication using SSL Certificate. Client is running Windows 7, RRAS/NPS is running Windows Server 2008 R2, Cert Authority is running Windows ...
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73 views

Examples of running VPN clients in Amazon EC2

There are a thousand examples of VPN server setups on EC2 - but what are the limitations for running VPN clients on ec2? (to an existing VPN concentrator outside of EC2, for example). OpenVPN is known ...
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1answer
75 views

Can connect through SSTP but not PPTP?

I have a window server 2008 r2 box behind a a Netgear AC1750 router. I've set up RRAS for a VPN and can successfully connect using SSTP, but if I try to connect to the VPN using PPTP I get a timeout ...
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100 views

How can you connect to an Azure Point-to-site VPN from the command line

I've setup an Azure virtual network (see here) and then followed this up with a point-to-site VPN for client machines to connect. What i'm wanting to do is launch and then kill the VPN link via the ...
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217 views

When connecting to PPTP Centos via Windows 7 VPN, I get error 2147943625

The remote computer refused the network connection. phrase has been my arch enemy for the past week now I recently "bought" a VPS server, I gave up trying to configure it with OpenVPN, all the issues ...
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1answer
100 views

Can suddenly no longer connect to VPN host after reboot?

I've had a solid connection to my home VPN server (windows 2012) from my office (windows 8.1) for days over PPTP and have had no issues. This morning, I had to hard-shutdown my server due to an ...
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1answer
256 views

Centos does not open port/s after the rule/s are appended

So after some battling and struggling with the firewall, i see that I may be doing something or the firewall isnt responding correctly there is has a port filter that is blocking certain ports. by ...
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1answer
65 views

PPTPD not work when connecting from Internet

I have VPN server on Debian stable. People in LAN (gray network) use this server for access to internet (WAN). But I also want to use this VPN server as something like "proxy" (connect from internet, ...