Point-to-Point Tunneling Protocol (PPTP) is used in virtual private networks (VPN), or used by some ISPs as the client's connection protocol
Questions tagged [pptp]
134 questions
205
votes
2 answers
Connect/disconnect from VPN from the command line
I have two VPNs setup on my Ubuntu machine, one using vpnc and one using PPTP. These were both setup using the GNOME network manager interface and work great. However on occasion I need to access this machine remotely - is there a way to connect or…
Tim Fountain
- 2,149
17
votes
3 answers
How do I set up a PPTP VPN on my own Ubuntu Server?
Assuming I have a Virtual Private Server from someone like Linode, running Ubuntu, how do I easily set up a PPTP VPN so that Ubuntu clients can connect to it?
By default, Ubuntu offers to connect to these PPTP networks. I want to set it up in such a…
Stefano Palazzo
- 88,393
10
votes
3 answers
NMCLI works in script when I run itdirectly , but not when run in CRON
This is under Ubuntu 11.10
I have a script that starts a PPTP VPN connection fetches a couple of files, then closes the connection. When I run this script from a terminal prompt it works perfectly; however, when I schedule it to run with CRON the…
Walter Anderson
- 101
8
votes
2 answers
VPN PPTP in ubuntu 16.04 not working?
I fill up the details as in this answer. But when I try to connect, I get:
VPN Connection Failed '...because the VPN service stopped'
error message on the top right corner of the screen:
running
tail -f /var/log/syslog
gives me this:
Mar 9…
user2413
- 14,957
8
votes
1 answer
How to start VPN service manually?
Since this morning I cannot connect to pptp vpn. when I click on NetworkManager applet and select the vpn it says:
VPN connection fail
The VPN connection "whatever" failed because vpn service failed to start
I google it, but the result didn't…
Behzadsh
- 3,993
7
votes
4 answers
How to debug grayed out VPN connection in Network Manager?
I've added a new PPTP VPN connection under Network Manager -> VPN Connections -> Configure VPN. Now the connection is listed under "VPN Connections", but it's grayed out.
How can I debug this?
Whatever I've tried doesn't seem to help: checked the…
alex
- 143
7
votes
1 answer
vpn (pptp) service failed to start
When I try to connect to a VPN PPTP connection from Network Manager it fails with this message:
vpn connection failed because the vpn service failed to start.
It worked without any problem till I installed KVPNC application. I think that this app…
ali
- 71
6
votes
3 answers
How To Initiate VPN From Terminal
Under "System" > "Preferences" > "Network Connections" I can create PPTP VPNs. This works when I am at a GUI, I can click the network connections icon in the top right, and select a VPN from the list and connect to it.
Is it possible to connect to…
Baldrick
- 665
6
votes
2 answers
PPTP server stuck at "GRE: Bad checksum from pppd"
I am a network engineer having quite limited experience with Ubuntu. I have been following up these online instructions to set up a pptp server
but without much luck to get it to work. My server is a vm running an Apple Xserve behind a Cisco…
user92516
- 61
5
votes
0 answers
VPN PPTP connection fails
I am trying to connect to a PPTP VPN on my Ubuntu 10.10 computer but it seems to fail.
I have tried successfully to connect to the VPN on a OS X machine and it did work.
I connect using the NetworkManager applet and the VPN seems to think that I am…
Melpomene
- 51
5
votes
0 answers
enable MSCHAP and MPPE for VPN connection
I have setup a VPN configuration file, the connection is responding but in order to actually connect to it I need to enable MSCHAP, MSCHAPv2 and MPPE, just like the picture here:
The problem arises when I need to do this from the terminal since I…
PepperoniPizza
- 165
5
votes
2 answers
How to connect to windows pptp vpn?
The VPN Server gave me an exe file - connection manager - to connect to the server. Instead, I created a pptp vpn connection under nm-applet, entering only Host, Username & password.
Later I figured out there were more options that needed to be…
Behzadsh
- 3,993
5
votes
1 answer
No network access through PPTP
I would like to be able to connect to the office network and access the internet through that network and the servers within the network. I use a server running Ubuntu Server (fully updated) behind a router which acts as PPTP server. It is set up…
Frank
- 61
5
votes
1 answer
PPTP VPN connects via NM but goes down during SSH connection
I setup a VPN PPTP connection via network manager and it connects correctly (I see the lock near the notification icon and the message "Vpn connection has been successfully...")
As soon as I try to perform any SSH connection via the established…
Andrea Olivato
- 1,313
4
votes
1 answer
connect to vpn via another port( change pptp client port)
as you know pptp port is 1723 by default,know I forward port number 21 to 1723 on my CentOs VPN.
Know I wanna connect to my vpn (pptp) from port number 21.
How can I do it?
Moein Hosseini
- 321