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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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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646 views

No internet access on VPN

I am trying to get PPTPD working on a dedicated debian-squeeze server. I can connect to the VPN just fine, but I do not have any access to the internet. Only the local network. This is a log file of ...
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51 views

Server 2012 R2 RRAS Inbound/Outbound Static Filters Not Working

I recently spun up a new Server 2012 R2 VM to use as a PPTP VPN server. The machine is fully patched, and has only the Remote Access role installed. Per standard configuration, the machine has two ...
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29 views

why ssh not route outgoing packages (pptp)?

I have VPS #1 that pptpd and sshuttle installed on it and VPS #2 that have ssh access to it I need to rout trafic from VPS#1 to VPS#2 (by tunnel because pptp not available to vps#2) for users that use ...
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106 views

ubuntu xl2tp ppp0 not properly handling the DF flag (Packet Corrupt) while sending packages > defined MTU

While trying to setup an Ubuntu Linux server as a client to an l2tp/IPSEC server, I notice inconsistencies while trying to send data. The tunnel/VPN establish the connection / handshake properly and ...
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935 views

Ping connected Clients to VPN tunnel PPTP

I have set up a vpn server on CentOS 6 (PPTP) following this guide... Server End ifconfig ppp0 Link encap:Point-to-Point Protocol inet addr:192.168.1.15 P-t-P:192.168.1.200 ...
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1k 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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475 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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320 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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67 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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374 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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1k views

Windows Server: can't connect to File&Print services through PPTP VPN

We have setup a simple VPN server with PPTP enabled and have forwarded correct PPTP 1723 port and GRE 47 on plain Windows Server 2008(NOT R2). Now when I am trying to connect from any VPN client ie: ...
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313 views

LAN to PPTP VPN bridge

I am pretty new to VPN and networking stuff so please bear with me if this seems a noob question. I have a cisco linksys e2500 router running on Tomato firmware. My situation is, I have set up a PPTP ...
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656 views

Unable to setup PPTP VPN on SUSE Enterprise 11

I am new to Linux, however I will try to convey my question the best I can. Right now we are using Windows Server 2003 as a DHCP server. It also has PPTP VPN installed. Users can get to VPN outside ...
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506 views

VPN (PPTP with MPPE 128) + SMB2 -> plain text transmissions?

Setup: I have a simple test setup: PC (Win7) and Server (Win Server 2008) and I open a VPN tunnel between the two of them via PPTP (encrypted with MPPE 128). The server has a shared folder that the ...
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561 views

PPTP won't connect error 628

vim /etc/ppp/chap-secrets # Secrets for authentication using CHAP # client server secret IP addresses #* pptpd 34fg3g93jgij3g * and vim /etc/radiusclient/servers ...
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218 views

Multiple Devices connecting to VPN on CentOS server

I am looking for a solution as to what would be the VPN software for multiple OSes and Devices. I currently have 15 systems to connect to a VPN. I was using Hamachi from LogMeIn but their lack of ...
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47 views

Debian PPTPD Misunderstanding

I have just installed pptpd on a debian server, configured the ip to 10.0.0.1 and started the service. The service appears to be running on eth0: gl.ob.al.ip:1723, which is as expected. However I ...
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634 views

Setting up Squid -> VPN connection

I recently purchased a VPS and am wanting to use it as a VPN server. However, it has bandwidth limitations. So, I figured since I already have a local Squid proxy caching things for me, I could have ...
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5k views

PPTP VPN Not Working - Peer failed CHAP authentication, PTY read or GRE write failed

Brand-new install of CentOS 6.3. Followed this guide: http://www.members.optushome.com.au/~wskwok/poptop_ads_howto_1.htm And I got PPTPd running [v1.3.4]. I got the VPN to authenticate users against ...
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910 views

What IPTables settings are needed to allow multiple clients to tunnel through a VPN

I'm trying to lock down my VPS but still allow PPTP-VPN access and am running into a snag. Hoping someone may be able to offer input. Basically trying to figure out what part of my iptables is ...
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470 views

Connection fails to a PPTP server

I am having some problems connecting to my PPTP server. Sometimes I connect just fine but if I try in a few minutes, the connection may fail. I am connecting to Ubuntu 10.04 from Ubuntu 11.04 with no ...
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480 views

What steps can I follow to diagnose why PPTP VPN (rasClient) has suddenly stopped connecting?

I use my a Windows Server 2008 R2 workstation as a VPN client to a Windows 2003 RRAS VPN host. It has worked flawlessly for many months. All of sudden, rasClient stops connecting and throws: Error ...
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79 views

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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22 views

Connect to local DNS over VPN

I have setup on Digitalocean droplet with a Bind9 DNS to local ip and VPN with PPTP to public ip. When I am at server via SSH nslookup example.local results in: Server: 10.131.2.72 Address: ...
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16 views

VPN Server Disconnecting Hosts With Same LAN IP

When two hosts with the same local IP (e.g. 192.168.1.2) connect to the sonicwall L2TP VPN from behind two entirely separate gateways, one of the hosts gets bounced. I searched around and I think this ...
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30 views

Server 2012: How could I create a DHCP scope just for my RRAS PPTP VPN clients?

I am using Windows Server 2012, and the server in question is both the PPTP server and the primary DHCP server. My current setup has a DHCP scope for this location, and anyone remoting in is assigned ...
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33 views

Setup PPTP VPN on linux for Mac OSX Usage

I have setup a PPTP VPN on my VPS with this script. With chap-secrets: "lunik pptpd XXXX *" But I can't connect it from my mac. I need help please :)
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29 views

Windows 2008 R2 VPN internal ip class

I've managed to setup a Windows 2008 R2 as a VPN (PPTP) server via the Network Policy and Access Services, the server has one network interface with a public IP address (80.9x.xxx.xx) and I am able to ...
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22 views

Trouble with site to site VPN configuration

I have an office network that I would like to bridge to my home network so that any computer on the home network can ping any computer on the office network and vice versa. I apologize if this is ...
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15 views

Fail in pptp conexion

Hy! I have a pptp client config in linux with this settings: $> cat /etc/ppp/peers/vpnconnection1 pty "pptp <ip_conect> --nolaunchpppd" name name_conect remotename PPTPserver ...
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49 views

Openbsd set connect on PPTP server behind packet filter

I have firewall on OpenBSD use Packet Filter and behind him MS Windows server with PPTP server. I need allow connect this PPTP server from internet. I set in OpenBSD: net.inet.gre.allow=1 ...
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45 views

Forwarding Traffic from an PPTP Server to Another Server

I'm facing a problem here. I have 2 servers. Server 1 is a pptp server and server 2 is another without pptp service. I want to forward some of the traffic from server 1 to server 2 through a tunnel ...
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66 views

I cannot ping my server on PPTP vpn?

I have made a client server PPTP vpn connection on ubuntu. I can connect but cannot ping or ssh from my client to server or vice versa. IP tables server side #!/bin/bash # Set defaults. iptables -F ...
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49 views

iptables — capture pptp connection attempt packets and place into holding pattern

Problem I have a problem of too many simultaneous connection attempts to a vpn server causing all connections to drop. Staggering connection attempts fixes problem. How can I use iptables to do the ...
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33 views

How do I configure VPN Access via PPTP/L2TP in very clear steps over the D-Link DFL firewalls?

I have a D-Link DFL firewall and I managed to configure IPSec to connect from remote office since remote office has VPN router installed that allowed IPSec. Now, I want to connect from anywhere ...
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88 views

Cant Access Network access Over PPTP VPN

I have a Windows 2008 R2 server, this server is configured for Routing and Remote Access to allow VPN access via PPTP using the windows client. VPN Access worked fine over a couple years then ...
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254 views

We are able to connect successfully to PPTP VPN (Standard Windows VPN) but once connected, ping through hostnames will not resolve to their IPs

We are able to connect successfully to PPTP VPN (Standard Windows VPN) but once connected, ping through hostnames will not resolve to their IPs. For internal, this is working perfectly. This is only ...
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67 views

VPN issues switching between OS-X and Windows clients

There's a Windows PPTP VPN server setup for work, and I was connecting to it with various Windows clients (Windows 7 VMs and physical machines) with no issues, and things were working just fine. Then ...
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143 views

Traffic between vpn clients

Basically I need to connect several computers (A, B, C, D) located in internet to a virtual local network. All of these computers can't accept incoming connections from internet. But they need to ...
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18 views

I want to close automatically within a minute of the PPTP connection

I PPTP server on Ubuntu 12.04.5 server is running. I want to close automatically within a minute of the PPTP connection from an external center. I appreciate if you can help.
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119 views

Tunneling a PPTP VPN connection through a L2TP VPN connection

My company recently moved to a serviced office space : they provide the desks, power and internet. My company has a VPN to connect to the main head quarters that uses PPTP to connect. In the new ...
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286 views

Outlook cannot connect to Exchange over PPTP VPN on some PCs but not others

I have a few clients (notably only in the IS department) that aren't able to connect to Exchange 2010 with Outlook 2010 over our PPTP VPN connection, citing that Exchange is unavailable. This is true ...
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103 views

VPN connection between EC2 instance and router from another subnet

We have a problem wile connecting to EC2 instance with Wi-Fi router. I had connected my office router to the EC2 instance via PPTP protocol. Everything is fine and my router's WAN interface got IP ...
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2k 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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92 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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288 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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4k 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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1k 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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652 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 ...