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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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Setting up a VPN client connection in CentOS 7

I have to connect remotely from client on CentOS to VPN server, hosted on Windows. What have been done: Installed packages yum install ppp pptp Contents of /etc/ppp/peers/harkiv_vpn # pty "pptp xxx....
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20 views

Routing issues with PPTP VPN server

This is my first time working with PPTP and I'm not very proficient in networking or iptables like you guys are. So, please bear with me. The desired scenario is this: A remote linux box runs pptp ...
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15 views

VPN Disconnects when switch user by RDP

I have the following problem. I have a WS2012 with a PPPT VPN configured (Allows other users to use the connection). The problem is that I connect by RDP with a user, I connect the VPN and if I ...
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190 views

Redirecting OpenVPN traffic to Burp Suite

I have a Linux Mint VM that I spun up as a transparent proxy for iOS devices. My intention is to tunnel all traffic from the iOS device through the VM and intercept it with Burp Suite, as an ...
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102 views

VPN connection crashes after few seconds after manual configuration of /etc/ppp files

I posted this question on askubuntu.com but maybe here is more suitable. I am using PPTP VPN. It used to work fine but now it does not connect. After googling and trying some solutions: 1) Creating a ...
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19 views

check L2tp/ipsec connected username in linux

Is there any way to get connected l2tp/ipsec username in linux? Like in pptp vpn we can use "last |grep ppp" this command to get connected username. I have tried so many command but could not find any ...
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189 views

Linux VPN PPTP Server with Active Directory Authentication

I have a problem with the Linux VPN server with AD. I have set all the steps the same as another server I have, but when trying to log it always appears in the "Wrong password" logs. But, if I use ...
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80 views

Confused by PPTP's terminology, who is PNS, who is PAC

I'm playing with Windows Server 2012 R2's PPTP VPN server feature, and I have set it up and runs well. With a VPN client(10.200.2.7) dialing in, I see IP packet capture like this: I can see that the ...
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235 views

Ubuntu PPTP client with mschap-v2 “The remote system is required to authenticate itself”

I'm having a hard time trying to create a PPTP connection from an unbuntu server 16.04 using mschap-v2. From another Desktop Ubuntu I can connect perfectly using the NetworkManager plugin, there I ...
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467 views

Routing over Synology VPN Server PPTP tunnel

I have a couple of LANs I'm trying to connect over the internet by way of a PPTP tunnel between a Unifi USG on one side and a Synology NAS running DSM on the other. Update: it's been helpfully ...
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78 views

P2V causes PPTP to disappear

I have recently completed a P2V of a Win2008R2 server. It had PPTP server vpn capability before conversion, but it appears something is now blocking / preventing the vpn connection. If I try to ...
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726 views

Iptables block access to IP for VPN clients

I want to block access to certain websites/IP's for all clients connected to VPN (pptpd or OpenVPN). This rule: iptables -A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -d IP_address -j REJECT ...
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28 views

middle machine for traffic forwarding : 3 public servers

With the following machines... Server 1: PPTP client windows; Public IP: 1.1.1.1 Server 3: PPTP server centos6; Public IP: 3.3.3.3 Connecting VPN server3 from server1 works correctly! Goal is to ...
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1answer
285 views

No ping on IPSec tunnel with Strongswan

I have the following situation. The home network is on 192.168.0.0/24 and uses a TP-Link which is able to handle IPSec tunnels. The remote VPS runs Ubuntu 16.04 and hosts a PPTP server (10.0.0.1) ...
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1answer
343 views

PPTP VPN connects but does not have access to network resources

I have a Windows server 2012 R2 which is connected to a router which is connected to modem. The server is also a domain controller and DNS server with the static ip address 192.168.0.201 Routing and ...
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1k views

Can't connect to PPTP VPN from Windows 10 Client

I'm trying to connect to a PPTP VPN server running on windows server 2012 using a Windows 10 client, but it fails and shows the following message: error message Since i'm able to connect to the VPN ...
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1answer
649 views

SNAT to from different source IP's to multiple destination IP's

I have a pptp server which issues a local IP to each user on successful auth. These IP's are in the range of 10.1.1.2-10.1.1.254. This all works ok, however I then have a set of 128 public IP's that ...
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480 views

How do I get a PPTP server to have a static IP address per client?

I have an Ubuntu 16.04 server running a PPTP server. The server is running fine, the pptp.conf file has the following: localip 10.1.1.2 remoteip 10.1.1.3-252 The chap-secrets file is setup to give ...
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1answer
3k views

Site-to-site VPN with local internet gateways on Mikrotik

We have a corporate network in office 1 with Forefront TMG as a gateway. Internal office 1 network IP range is 192.168.0.0/24. We have a branch office 2 with Mikrotik router (you can think of it as ...
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1answer
512 views

pptp - 'Administrative Shutdown'. Error code is 0, Cause code is 0

i need connect trought pptp on my ubuntu 16.10, i have this configuration (works perfectly into my raspberry) /etc/ppp/peers/myconn pty "pptp pptpvpn.ams01.softlayer.com --nolaunchpppd --debug" name ...
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2k views

PPTP Passthrough Centos 7/Firewalld router to Windows Server

I have a Centos 7 server running firewalld to allow public services to access internal services on a separate VLAN (dual NICs). I imported a Windows VM but I do not know what rules I need to put in ...
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417 views

L2TP VPN http traffic blocked

I've got a VPN L2TP/IPsec server behind a NAT-T device. I had issues with connecting windows clients to the server but that was resolved via adding a registry entry "...
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655 views

How to debug slow VPN transfer speeds

I have following network setup, two machines on different ISPs, in different cities. +----------------------------+ +------------------------------+ | HOME | ...
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1answer
397 views

PowerShell Command to Disable PPTP Remote Access Connections

I'm trying to automate the creation of a L2TP VPN server using PowerShell but I can't find any articles or cmdlets on how to disable PPTP inbound connections in RRAS using PowerShell. Below is a ...
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690 views

cant connect to pptpd vpn

I am using Centos 7 with firewalld enabled on my server and currently i am not able to connect to my pptpd vpn Logs Dec 26 23:34:39 pptpd[28944]: CTRL: Client 39.55.196.181 control connection ...
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254 views

VPN connection: Not resolving internal network hostnames

I have set up a PPTP VPN connection where I can connect to my company network, but I cannot access my shares via file server's hostname. The OS of the VPN Client is Windows 10 and I use the built-in ...
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1answer
142 views

VPN PPTP protocol no dns resolving [closed]

I have an windows server 2008 r2 with RRAS and DNS installed on it. I'm using the RASS only for vpn connections. When i'm connecting to it over the L2TP protocol everything works. The dns server is ...
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1answer
289 views

Centos PPTP VPN server restirct user to a specific IP

I have a centos pptp vpn server configured to access my internal ip say 1) 10.XX.XX.21 2) 10.XX.XX.22 3) 10.XX.XX.23 4) 10.XX.XX.24 ..... n)10.XX.XX.n VPN is working fine with no issue . I ...
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1answer
321 views

FreeRadius authentication issue

Having an odd issue with pptp and freeradiuss on CentOS 6.4 VPSs. I have 1 VPS as the main freeradius server. 2 other VPS are used to connect to via pptp using the remote freeradius to authenticate. 1 ...
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46 views

VPN no access to LAN

I'm having a problem which surfaced yesterday and is preventing VPN access to LAN. I connect to our workplace's LAN through PPTP VPN; Was working until 2 days ago. Server OS is Windows server 2012. 2 ...
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862 views

Windows phone 10 vpn pptp error 691

I have a Microsoft Lumia 950, OS build: 10.0.14393.67 Connecting to my work VPN using settings: VPN type: PPTP Type of sign-in info: Username and password When clicking on Connect I get the error: ...
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374 views

Hide.me: Unable to connect from a PC to another via Windows remote desktop

Now I have two Win7-devices connected via hide.me VPN. Both are successfully connected to the VPN Both devices are registered with the same reserved IP in the same server. The problem is that I ...
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1answer
235 views

pptp gre in csf firewall

i have a senior problem. when i want to connecting a pptp over a tap adaptor or a pptp connection have get disconnected and get this errors on messages logs: linux pptpd[20275]: GRE: read(fd=7,buffer=...
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35 views

Can't see own VPN Server Windows

Found a similar issue here but involved Hyper-V VM's and Host. In my case i sense something bizarre. I've established a connection using only PPTP built-in windows connection between two points. ...
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65 views

How to setup RRAS vpn/NAT for internet tunelling on windoes 2003 VPS with 2 NICs?

Setting up a PPTP VPN server, I've tried any solution I found but all in vein. There is a Windows 2003 server Standard as VPS with two NIC's enabled each with static and direct IP. NIC #1 with 2 ...
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1k views

FreeRadius: No User-Password or CHAP-Password attribute in the request

I've create a VPN Server(PPTP + FreeRadius2.1.12) on Ubuntu, the radtest command was succeed,but on OSX use pptp to login the VPN is not. Here's the configuration. Server: Ubuntu Client: OSX ...
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2answers
958 views

Windows 10 “Add a VPN connection” stuck on save

Since updating to Windows 10, we haven't been able to connect using our VPN anymore. Every time we try to add it using the new interface it stays stuck on save. The old interface just directs us to ...
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1answer
3k 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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0answers
108 views

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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1answer
3k 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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1answer
836 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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99 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, SSH-...
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1answer
928 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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1answer
59 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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1answer
4k 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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1answer
8k 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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1answer
555 views

Cannot access Apache2 intranet site via VPN (can access other local resources)

I'm having some problems accessing my Apache2 intranet site when connected to my network's VPN server. My setup/environment: ASUS RT-66U router with PPTP VPN server. Debian server with apache 2.2 ...
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1answer
19 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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97 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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2answers
544 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. ...