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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ufw not blocking the connection

ufw default deny incoming ufw default allow outgoing ufw reset ufw allow ssh ufw enable But when I make PPTP connection to my server it is still allowed. UFW STATUS VERBOSE
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51 views

EC2 Ubuntu connect to PPTP VPN Server

Setup I'm developing for a customer XYZ and have to access APIs running on XYZ Server. We have an IKE2 VPN between our firewalls (XYZ and our office). I am able to ping XYZ Server's Local IP through ...
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PPTPD, peer refused to authenticate: terminating link

Just have installed a fresh PPTP server Trying to connect it from my Ubuntu18 this way: When I connect, get this message: BUT NO PROBLEM FROM WINDOWS OS, WINDOWS CAN CONNECT IT In my server ...
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How to forward incoming OpenVPN traffic to PPTP

I would like to set up a two hop VPN due to the network connection reliability, i.e. A=>B=>C=>Internet. A,B and C are at different locations on Internet. Currently, the tunnel between A and B is ...
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Is PPTP still considered insecure if we control the entire network?

Without giving out too much info, I work for a company that has a large and complex network, with routers at multiple locations. All of the internal backhaul runs across devices that we control. The ...
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PPTP VPN Error 807 using OpenVPN

Am struggling with the Windows error 807 when connecting to PPTP VPN using OpenVPN to a Windows Server 2012. Am not sure where the problem lies and tried so many things in vain. I should not need to ...
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38 views

Access PPTP clients from LAN

I have this type of network: Network schema Main router with LAN address 192.168.2.1 Also have VPN server on this router with address 172.17.0.1 The client connects from internet to my VPN server and ...
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65 views

L2TP VPN has no Internet access on iOS clients but works on Windows/Android clients

I have a pretty simple setup right now for my family who live in Iran to get them internet access, since the government has shut down their internet. My VPS is running Windows Server 2012 R2. I have ...
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How to connect from OS X to PPTP VPN by OPEN VPN?

I need to connect from OS X to PPTP VPN via OPEN VPN. OS X is connected to OPEN VPN via tunnelblick and have following routings on OS X: 0/1 10.8.0.1 UGSc utun4 10....
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96 views

Tunnel traffic between PPTP and OpenVPN

My office (office_network) uses PPTP VPN for remote employees. And it was OK before macOS Catalina release. Macos doesn't support PPTP anymore at all. So, to get access to office_network network I ...
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929 views

Mikrotik - Route Specific IP over VPN

I have a PPTP VPN connection setup on my Mikrotik router. I would like to route only one IP on my local network over that VPN Connection. All traffic for that IP address can be routed over VPN. How ...
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Ubuntu 16.04 - PPTP connecting but no internet

I purchased recently a VPS with Ubuntu 16.04 installed on it (OVH). I tried installing a pptp server on it but I have an issue with internet through the VPN. I am able to connect to the server but I ...
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FreeRADIUS 3, libradcli4 and ppp compatibility

I'm using Freeradius to authenticate VPN clients using PPTP or L2TP/IPSec (xl2tpd) and I want to do an upgrade from Debian 8 to 9 on our servers incl. upgrading version of Freeradius (2 -> 3). Both ...
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Connect to PureVPN from GCP Instance

I have a selenium project inside the GCP instance that needs to be connected to PureVPN. I use nmcli to create the configuration to start the connection. Everytime I start the connection, the VPN ...
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How to load ip_nat_pptp module in ubuntu?

How can the module ip_nat_pptp can be loaded in Ubunutu 18.04.2 LTS ? I need this to allow PPTP VPN passthrough.
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how to connect a remote server as a VPN client and still have access to it via internet?

I have a remote windows server which I want to connect that to a PPTP VPN server, but as it connects to the VPN, I lose access to it from the internet. what is the solution to get it connected to both ...
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Windows Server 2016 - VPN timout on certain websites

First of all: I'm quite unexperienced with windows server and vpn so be patient and just tell me if I'm lacking important informations. Expected setup: I've got a Strato-Server (Windows Server 2016) ...
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390 views

Mikrotik + Freeradius + Mikrotik-Address-List

I have Mikrotik which works like PPTP server and Freeradius for authentication and authorization. How to assign PPTP user's IP or name in Freeradius (user1 = 10.11.1.145 in my case) with Mikrotik's ...
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2k views

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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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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2k 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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261 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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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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88 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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2k 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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1k views

No ping on IPSec tunnel with Strongswan

I have the following situation. The home network is on 192.168.1.0/24 and uses a Zyxel USG50 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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1k 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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1answer
2k 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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851 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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5k 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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949 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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4k 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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741 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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944 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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1k 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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2k 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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811 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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439 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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728 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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51 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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1k 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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471 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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375 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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41 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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2k 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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5k 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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280 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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6k 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
1k 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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108 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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