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Questions tagged [pptp]

Point-To-Point Tunnelling Protocol is an insecure, obsolete 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 was historically used to create VPNs.

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Rewrapping PPPoE to PPTP

It is my understanding that PPPoE is just PPP wrapped in Ethernet packets. PPTP is PPP tunneled over GRE/IP. So, my question is, is it possible to take incoming PPPoE packets and easily rewrap the PPP inside as PPTP? What I want is for a…
singpolyma
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Debian server + PPTP VPN - connection not working

I set up a Seagate DockStar with Debian Squeeze as a litte server in my home network. I'd like to access it from outside my own network now, so I need a VPN connection. BTW, I don't have a router with an integrated VPN server. I already have a…
iYassin
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VPN Error 778: It was not possible to verify the identity of the server

We have a Windows 2003 server with Routing and Remote Access configured to support PPTP VPN. We recently migrated the server infrastructure to a new location, although all public and private IP addresses remained the same. Since the move, clients…
JoshL
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DNS Server Order Incorrect on Windows 7 via PPTP VPN to Windows 2003 Server

When I connect a Windows XP laptop via PPTP vpn to our Windows 2003 Server, the DNS Server order is correct: 192.168.8.3 208.67.222.222 208.67.220.220 But when I connect a Windows 7 laptop via PPTP VPN to our Windows 2003 Server, the DNS order is…
Simon
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VPN returning 721 error despite successful logins to/from other locations

I am trying to connect a couple of Win XP desktops at a remote site, to the server (SBS 2008) of a central site, using a PPTP based VPN. When I try to connect, I get the error "Disconnected. Error 721: The remote computer did not respond." Here is…
Andrew C
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smbd.service: Main process exited, code=dumped, status=6/ABRT

I'm running samba on a server, but I don't want samba directly exposed to the internet. The server is running pptpd, and I want samba to bind to the local ip of the pptpd, so samba will be accessible over the tunnel only and will be somewhat…
user582738
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Routing traffic between home machines and remote machines over pfSense PPTP VPN...?

I'm having a bit of trouble routing my traffic through my VPN server. Basically I have a pfSense setup that works amazingly well for everything it's currently doing. However, now, I have need to set up a PPTP VPN. I've got the basic setup and…
humble_coder
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PPTP VPN Error 807 using OpenVPN

Am struggling with the Windows error 807 when connecting to PPTP VPN using OpenVPN to a Windows Server 2012. Am not sure where the problem lies and tried so many things in vain. I should not need to modify any settings in my router because of…
rainbow_guy
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Mikrotik - Route Specific IP over VPN

I have a PPTP VPN connection setup on my Mikrotik router. I would like to route only one IP on my local network over that VPN Connection. All traffic for that IP address can be routed over VPN. How does one go about setting it up on the Mikrotik…
stoic
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FreeRADIUS 3, libradcli4 and ppp compatibility

I'm using Freeradius to authenticate VPN clients using PPTP or L2TP/IPSec (xl2tpd) and I want to do an upgrade from Debian 8 to 9 on our servers incl. upgrading version of Freeradius (2 -> 3). Both PPTP and L2TP are using radius.so plugin in their…
Naxos
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How to load ip_nat_pptp module in ubuntu?

How can the module ip_nat_pptp can be loaded in Ubunutu 18.04.2 LTS ? I need this to allow PPTP VPN passthrough.
Shyamkkhadka
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Two Routers, Two Internet (1 Open, 1 PPTP) - Routing?

I'm trying to setup two routers - one to route specific sites to a always-on PPTP VPN connection, the other for open internet access w/ firewall. First router is connected to Internet w/ built-in firewall. Second router is connected to a PPTP VPN…
SomeUser
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ubuntu 9.04 pptp broken after a power failure

I have a small Ubuntu 9.04 router setup as a NAT box and a PPTP server. After a power failure everything except the PPTP server still works. A windows client gets to "registering your computer on the network" but then says Error 742: The remote…
kevin42
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Confused by PPTP's terminology, who is PNS, who is PAC

I'm playing with Windows Server 2012 R2's PPTP VPN server feature, and I have set it up and runs well. With a VPN client(10.200.2.7) dialing in, I see IP packet capture like this: I can see that the Outgoing-Call-Request packet is sending from VPN…
Jimm Chen
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Routing over Synology VPN Server PPTP tunnel

I have a couple of LANs I'm trying to connect over the internet by way of a PPTP tunnel between a Unifi USG on one side and a Synology NAS running DSM on the other. Update: it's been helpfully pointed out that PPTP is insecure - however, there are…
Ben Collins
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