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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VPN problems windows 2008 server

I have a windows 2008 server running which is configured as a RAS server. Client can connect without a problem. First issue is that the server itself looses internet connection. The other problem I ...
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29 views

Site-to-site tunnel using two MikroTik routers where one endpoint is behind NAT (LTE modem)

I would like to interconnect two offices where one has a public static IP address (main office) and the second one is behind NAT (no public IP) because there is just an LTE modem. I am able to create ...
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PPTPD VPN Can't connect to the internet

I'm running a Ubuntu 16.04 Server on a VMWare ESXI Server with its own public IP, I have setup a pptpd vpn server which works but only with connected devices. I can't connect to the internet with it ...
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58 views

PPTP VPN connection, authentication failed

I trying establish VPN connection using PPTP on Centos 6. But receive error. Log file: May 11 22:50:55 server pppd[1069]: pppd 2.4.5 started by root, uid 0 May 11 22:50:55 server pppd[1069]: Using ...
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Multiple IP failover on VPN PPTP

I have a server at SoYouStart, I ordered an IP failover. I want to setup a PPTP VPN so I could be able to have one connection to the "normal" IP and one to the failover IP I couldn't manage to do ...
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30 views

How to route all traffic through a VPN?

I executed an pppd command and i got the following output: local IP address 172.16.4.128 remote IP address 172.16.1.200 Committed PPP store Committed PPP store pptp_wait_input: Address added. ...
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47 views

pptp vpn client close all inside connections

I setup PPTP-VPN-client on my Centos VPS (guide: http://websistent.com/how-to-configure-a-linux-pptp-vpn-client/ ) when i connect to pptp server from my centos vps all connections(ex ping, ...
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83 views

Can't connect to mt PPTP VPN server

I was following this tutorial to configure a pptp connection between my centos 6 VPS and my fedora 22 workstation. There's only one thing I did different from that tutorial: I installed pptpd from the ...
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34 views

Windows 7 Outbound PPTP Connections

I have various locations that I connect to using Windows 7 PPTP outbound connections. I'm able to make any 2 connections, but the third connection fails. I was wondering if anyone knew of a registry ...
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40 views

Cannot connect to SSTP VPN Error 20227

I have a working PPTP VPN on Windows Server 2008 and I can connect to this PPTP VPN on a Windows 10 notebook with an AD-User. But when I am trying to switch to SSTP on my Windows Server by importing ...
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325 views

Cannot Connect to PPTP VPN

I set up a PPTP VPN server (insecure, I know, but this effort is primarily a learning experience) using PPTPD on a spare Ubuntu 15.10 desktop I had laying around, but am unable to connect to it from ...
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11 views

Server 2012 vpn connects but passes no traffic

Ok so a short time ago this server was quite hapily serving vpn clients, About the time the Ca Cert expired the VPN stopped working also, Cert has been renewed and RWW works fine. Whe clients ...
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15 views

Can I have some devices at building 2, connect to the building 2 server (WS2012) as it's gateway, and use that server's VPN connection to building 1?

The situation is as follows Building 1 (B1) is my main site. I have 1 Windows Server 2012 unit at B1 and B2. B1 is a PPTP server. At B2, I have many devices. Most of these devices are constantly on ...
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45 views

VPN Clients not able to resolve DNS

I'm having trouble getting VPN clients to see other machines via hostname. IP addresses work fine, though this leads some systems to not working correctly. I'm running Windows Server 2012 AD ...
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19 views

Multiple pptp configurations

My host has an ingoing pptp connection. The files chap-secrets, pptpd.conf and pptpd-options for this connection are generated by an external application and added to /etc/ppp as symlinks; they ...
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2answers
128 views

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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28 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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69 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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23 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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75 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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50 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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151 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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83 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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204 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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86 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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32 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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28 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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31 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
103 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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51 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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240 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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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
289 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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71 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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353 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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51 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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162 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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144 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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102 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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55 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
694 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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152 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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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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217 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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288 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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1answer
104 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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1answer
119 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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130 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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214 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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128 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 ...