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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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How can I ensure home VPN users don't save connection password?

We are using a PPTP VPN, on Windows RAS/Server 2003. We have users verify anti-virus patching, and then after verification grant access to the VPN. We don't use a CMAK applet, we just provide users with instructions on configuring their home device…
Quinten
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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, every night when our Windows 2008 R2 server (off…
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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. I am able to connect to it from my IPad but then,…
Steve
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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 security vulnerabilities, but are any of them critical…
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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 available Jun 2 12:52:48 vpn pptpd[892]: MGR: Launching…
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What is difference between L2TP and PPTP?

I need a high performance VPN server, who can tell me the difference between L2TP and PPTP ?
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Mac OS X PPTP VPN issue ping: sendto: No buffer space available

The VPN connects successfully but after some time the connection is unusable (VPN is used as primary gateway). Ping would reveal: ping: sendto: No buffer space available This looks like the same issue discussed here:…
f01
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PPTP/GRE Multi-forwarding NAT IPTables Example

Google is showing me some returns on PPTP/GRE NAT through iptables/netfilter that will allow multiple connections. However, I am not finding an example of using this pptp helper module that allows for this. Anyone done this before?
Kyle Brandt
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Linux PPTP VPN server using local account passwords?

Is there a way to configure the PPTP server under Ubuntu 10.04 to allow users to log in with their username/password from the local machine (the Ubuntu server, that is, not where they are connecting from)? I don't want to have to add a new username…
bck
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Windows pptp VPN at startup

I'd like to connect windows pptp client at startup. Is it possible? because I need a vpn link between two windows server and so (because it's a server) I don't want to let a logged user to the system.... Even if you have a comment on what I want to…
Dragouf
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No ping on IPSec tunnel with Strongswan

I have the following situation. The home network is on 192.168.1.0/24 and uses a Zyxel USG50 which is able to handle IPSec tunnels. The remote VPS runs Ubuntu 16.04 and hosts a PPTP server (10.0.0.1) which assigns addresses 10.0.0.100-200 to the…
Michele Scuttari
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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 Google and most of the time it was due to routers not…
phantoms
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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 : sudo pppd call tun nomagic logfd 2 nodetach debug…
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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 my iPhone to the VPN, and whenever I disconnect…
Thilak Rao
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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 filter. I allowed 3389 by filter rule and right…
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