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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Ubuntu PPTP-server behind the router

I'm a newbie to servers configurations. Please advice in building of correct network scheme. Background I have a router box (192.168.1.1) which is make connection to my internet provider and works ...
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2answers
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PPTP: Enable ppp0 interface at boot?

tl;dr Can I ensure the PPTP ppp0 interface is always available, so that nginx and other services can bind to its IP address? I have an nginx server on Ubuntu 12.04 hosting a handful of public sites. ...
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15 views

PPTPD-server split tunnel

Normally the client has to set up the VPN connection to be a split tunnel (not routing internet traffic trough the tunnel, but still have access to local resources), but is this possible to define on ...
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27 views

PPTP with restrictive access to local network for connecting clients

How can I restrict access to my local network for VPN-clients connecting to a VPN-server (PPTPD) located on my network? I would like clients to be able to connect to my linux node running a VPN ...
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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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15 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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19 views

Where on windows machine is pptp password saved? [closed]

When PPTP connection is added into Windows (Win7+), there is option to save login details. There is a tool here which I confirmed to work for extracting these details from within the system. Simple ...
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27 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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32 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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59 views

No gateway / internet connection with both OpenVPN an PPTPD on Debian Server

I tried setting up a VPN on my Debian 8.2 Server using OpenVPN which was working fine. After a few days I was not getting any internet connection anylonger using OpenVPN and I saw using ipconfig ...
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41 views

Cannot access network resources once connected to VPN

To begin, it's important this excerpt is read and understood before anything is suggested: The VPN configuration has been untouched, as I'm the only admin user, and also the firewall itself has been ...
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1answer
139 views

iptables route PPTP VPN through polipo http proxy

I want to route http traffic of my local pptp server to use Polipo http_proxy. So i found this QA : IPTABLES: routing VPN users through transparent Squid but i test on my system & change iptables ...
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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

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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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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1answer
55 views

ec2 VPC: route from private subnet to vpn subnet on vpc peer

I have an Amazon EC2 VPC with private IP address range 172.28.0.0/16. Two instances are in the VPC: alpha (172.28.1.13) and bravo (172.28.1.99). The alpha instance is running a pptp server with ...
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2answers
33 views

Can a poor client VPN connection corrupt a database?

We have a small office with one server and one client that connects to the server’s database for the Sage 300 accounting software. The server is also being used as a workstation for the Sage 300 ...
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1answer
181 views

ssh from Server to Client through PPTP tunnel

I was able to set up a small PPTP VPN with a Server and two clients. All machines run Ubuntu 14.04. The connection works great and is reliable. I can ping all machines from everywhere. Also HTTP ...
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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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1answer
218 views

Multiple instances of Openvpn with different server IP numbers

Is it possible to assign different ip numbers to different openvpn interfaces on server (Like in PPTPD): Server PC i-face-s: tun0: inet 10.8.1.1 peer 10.8.2.1 tun1: inet 10.8.1.2 peer 10.8.2.2 ...
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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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1answer
240 views

DDWRT PPTP VPN - Single Network, Single Subnet - Partially Working Config

So I have the following configuration, and it works - sort of: Primary Router - Edge device (UBEE router from provider). This router is the gateway and is assigned 192.168.0.1 This router ...
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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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90 views

How to tunnel UDP traffic with pptpd VPN?

I've set up a VPN on a Debian (7.8) server. On a Windows 8 machine, I can set up a VPN connection to the server and it works fine for TCP applications. Everything is going through the VPN. However, ...
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3answers
124 views

PPTP VPN did not check the password

I've success installed and PPTP VPN in my Linode by using this script: https://github.com/liaohuqiu/centos-setup/blob/master/install/install_vpn.sh yum install -y ppp wget ...
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65 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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1answer
513 views

Can't connect from LAN to PPTP VPN client

Our office has a number of incoming PPTP connections to our TP-Link TL-R600VPN router from a number of Windows Embedded for Point of Service (WEPOS) terminals located in our restaurants. One ...
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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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1answer
132 views

Creating a separate PPTP VPN VLan in network with tagging possible?

I have a gateway to gateway PPTP VPN that I would like to connect to my network and have it on a VLAN where it is shared to a VLAN tagged wireless router. This way I can have two wireless AP's where ...
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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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1answer
2k views

VPN (PPTP) connects successfully but unable to ping some devices in the LAN

My working company has this router (Cisco RV042G Gigabit Dual WAN VPN Router) and it has the IP 192.168.1.1 with subnet mask 255.255.255.0. It has 3 devices directly connected to its LAN ports, an ...
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1answer
129 views

How to access resources behind the PPTP VPN Server

I have configured a 2008 R2 machine as the PPTP VPN RRAS Server which I can dial through my desktop and can ping or access resources. The problem is NO other machine behind my PPTP VPN Server is ...
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253 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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1answer
89 views

Poptop configured for freeradius but still authenticates through chap

I'm running Centos 6 64 bit with Poptop and radiusclient. When I connect to my poptop server this error comes up in the error log: Feb 21 14:40:42 alpha pptpd[13225]: CTRL: Client **** control ...
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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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1answer
104 views

Windows Server as a PPTP Gateway

I have a Windows Server 2012 server at work, which is currently used as a domain controller, and an internet gateway. The current internet connection uses a USB dongle, which appears like a standard ...
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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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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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1answer
174 views

Load Balancing VPN servers (Ubuntu)

I am trying to load balance two VPN servers, that are located quite far from one another. I am using Ubuntu with pptpd, is there anyway to load balance those two servers? So user connects pptp to ...
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1answer
116 views

When tunnelling through a VPN, block or redirect certain domains [closed]

I'd like to block or redirect certain domains for anyone using my VPN tunnel (pptp). I thought simply editing the hosts file would achieve this, but I guess not. Is there another way? The VPN is set ...
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1answer
480 views

Windows 7 VPN to OS X Server error 629, Tried a lot of options

I am having a hard time connecting to my office server in which I am the admin of. I have recently wiped the hard drive and re-installed os x yosemite with os x server. I use a Windows 7 machine at ...
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1answer
180 views

pptp gateway with ssh access

I am desperately trying to setup a gateway-server that forwards all local traffic to a ppp0 connection but is still reachable via ssh on the local network. The point-to-point connection establishes ...
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1answer
5k views

SSH over VPN connection

We have an AWS EC2 server that we've configured to be only accessible (via SSH) from within our office network. Obviously this isn't ideal for remote arrangements where someone has to connect to the ...
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932 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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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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1answer
286 views

Network system tray icon and control panel slowly becoming unresponsive in Windows 7 [closed]

I have to manage hundreds of VOIP PBXes, which I connect to via the Windows 7 PPTP VPN client. I've noticed that over time as I add more and more PPTP connections, the network system tray, as well as ...