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Questions tagged [pptpd]

The Point-to-Point Tunneling Protocol (PPTP) is an obsolete, insecure VPN protocol. PPTP should not be used where privacy or confidentiality are desired.

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1answer
24 views

Apache rejects connection to phpmyadmin while connected to VPN on the same host?

For example: I have LAMP installed on a publicly accessible server with IP 160.x.x.x along with pptpd. When connected to pptpd to the same server, Google reports my IP as 160.x.x.x which verifies that ...
1
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1answer
1k 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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0answers
293 views

Centos 7 pptpd mtu size

i'm using pptpd on centos7 as PPTP VPN Server how can I change the MTU size on server side cause some users cannot connect to the server thanks
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0answers
845 views

PPTP without default gateway

I have a Linux NAS file server with PPTP. I have several clients that use Windows only (no Linux, MacOS or mobile phones). I want all those clients to be able to connect to the NAS server only (no ...
1
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1answer
933 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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1answer
342 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 ...
1
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1answer
456 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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0answers
172 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
975 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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1answer
1k 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
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
287 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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1answer
884 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 /all ...
1
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1answer
647 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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0answers
82 views

PPTP VPN 778 Error in all OS without iOS

I deployed a PPTP VPN tunnel on my Bandwagonhost's VPS with Debian 7, When I use my phone(iOS),They all can worked well. But When I use my PC(Win7 or WinXP or Android),It noticed me that:778 Error. ...
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0answers
60 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
117 views

Centos 7 trying to make httpd website available only through pptp vpn

I have server with Centos 7 and pptpd, httpd installed. httpd works well and pptpd server has working connections so it works well too. Actually what I need is to make httpd site available only ...
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1answer
586 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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1answer
765 views

Debug slow pptp connection in Ubuntu

I've unstable connection when using a VPN (pptpd), obviously it works, but sometimes is slow or not responding for a few minutes. Which log I should enable to debug the issue? e.g. due to pptpd? due ...
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1answer
73 views

What can I do if the VPN can be connected but not loading any traffic?

I set up a VPN with pptpd on my Linux server. For many months it works fine. But suddenly it failed. The VPN can be successfully connected but no traffic can come in. Is there anything I can try to ...
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1answer
1k views

how to run pptp over redsocks proxy

I have one (virtual) Linux box in Ubuntu, that has redsocks set up done. Inside the machine, I could confirm that the the redsocks did work (use wget to check the external IP). Now, I want other ...
2
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1answer
792 views

Configure ufw pptpd and dnsmasq on the same server

I've got a an ubuntu 14 server running both pptpd and dnsmasq. I'm having trouble configuring ufw to allow pptp clients to resolve their DNS queries using the local dnsmasq server. I've correctly ...
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1answer
2k views

Bridge PPTP VPN with local network

I have configured on my Ubuntu a VPN server using PPTPD. I can connect to it from outside of my LAN, I can use it's internet connection. But I cannot see my LAN clients (because the VPN and the LAN ...
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1answer
630 views

PPTPD not working on virtual machine running Kali Linux

I need to capture non-http traffic from my iPhone. Using a proxy will only capture port :80 and :443 traffic which will not work for me as the traffic I am trying to capture is not from either of ...
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1answer
3k views

How do I get Ubuntu to pick up proper DNS routes over PPTP?

So here is my scenario. I have setup an Ubuntu 14.04 PPTP server setup at a remote site and it is working just fine. I can connect clients remotely via Linux & Windows. I can also ssh and RDP to ...
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1answer
1k views

What is the remote IP on PPTPD settings? ( digital ocean) [closed]

I'm trying to install a vpn ( PPTPD) server using digital ocean tutorial. Everything looks straightforward except that I don't know what the remoteip ip/range is. Is it something that I should look /...
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1answer
1k views

PPTP and windows 7 809 error [closed]

I want to connect from home to my router(linux mashine) at work. i have installed pptpd. i have added following fw rules: iptables -I INPUT -p tcp --dport -j ACCEPT iptables -I INPUT -p gre -j ...
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1answer
826 views

Allow PPTPD VPN clients to communicate with one another

I have an Ubuntu server on the net, I setup PPTPD on said server because I was experiencing a problem I VPN might solve. At my home address I have my Desktop, and I would like to access its resources ...
0
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1answer
59 views

Is it possible to run pptpd with certificates and is it recommend?

To secure my internet experience, I want to set up a vpn on a on-demand way using amazon AWS EC2. My primary client is running with windows 7 professional. (Maybe further clients will be my android ...
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1answer
28 views

Create a pptp tunnel through a exisiting domain [closed]

I want to create a tunnel (preferably pptp) via a website that I created I am renting a domain from an ISP with a linux os, is it possible to create it?
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1answer
170 views

VPN client to client port forwarding

I have an EC2 Amazon instance running a vpn server with 192.168.240.1-9 ip range. I can connect my Macbook to this VPN (using system pref.) and a Raspberry Pi, using this command line: sudo ...
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1answer
945 views

PPTPD not work when connecting from Internet

I have VPN server on Debian stable. People in LAN (gray network) use this server for access to internet (WAN). But I also want to use this VPN server as something like "proxy" (connect from internet, ...
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2answers
3k views

Remote IP for pptpd server

I'm trying to set up a VPN server with pptpd, and I'm having trouble determining what range of IP addresses I should pass to it's remoteip configuration option. I can connect just fine to the VPN, but ...
0
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1answer
1k views

Opening ports for VPN clients

I am trying to open specific ports for users so that they can use programs such as RDP. I have searched all over the internet, and have yet to find an answer to this question. I have tried every ...
3
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2answers
6k views

Restricting nginx website connection to VPN Users on the same server

My main aim is the following: Install a VPN server on a server, and a website on that server should be accessible only to users that are using the VPN on that same server. First, the two server case ...
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1answer
241 views

pptpd mostly works, but strange internet/dns behavior

I'm running Centos 6.4, and I got pptpd working, for the most part. I am connecting from a Windows 7 machine, and once connected I can access all the intranet sites as well as sites that are already ...
2
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1answer
2k views

More than 254 client IPs in PPTP (PPTPD)

I'm trying to setup my PPTP to allow more than 255 client connections. I have added the connections param in pptpd.conf to allow the connections but I do not know how to set the remoteip ...
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1answer
357 views

PPTP server remote IP assignment causing problems

Our PPTP vpn server (Ubuntu) is working as it's supposed to, but because of the way it assigns remote IP addresses it's causing some problems with our other software. Example: machine A joins the VPN ...
0
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1answer
382 views

Ensure PPTP / OpenVPN clients cannot interact with each other?

How can one ensure that PPTP / OpenVPN will not allow clients connected to the tunnels to be able to interact with each others? I never enabled bridging and enabled the following in iptables ...
1
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1answer
2k views

How can i create a point to point connection?

We have a measurement campaign in a field, until now we had the following network structure The distance was 400m between the two points so the most easy solution was to use a Wifi pont to point ...
1
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1answer
164 views

Is it insecure to use the following iptable rule for NAT?

I want to setup a VPN server for personal use, so I follow the blog article [1], and it work like a charm. The only thing I am wondering is if the iptable's rule secure, e.g. iptables -t nat -A ...
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2answers
6k views

How to disconnect pptp client? [duplicate]

How to disconnect pptp client connected to Cent OS 6.2 server from the server side ? ifdown ppp0 doesn't work.
1
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1answer
6k views

pptpd: log of unsuccessful authentication

I am using pptpd on Debian 6. I know that last shows the list of connections as well as the source IP. I am looking for the log of unsuccessful authentication, or any form of alert/ban for a source ...
0
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1answer
190 views

How to forward gateway requests for a subnet through another connection under Linux

I have a Debian machine acting as a DHCP server/NAT, connected via PPTP to another machine,connected to a subnet 10.0.0.0. How do I configure it so requests from clients on this machine for the 10.0....
2
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2answers
3k views

Routing problems to certain domains with PPTPD VPN setup

We've been struggling with some kind of network/routing issue with a PPTPD based VPN where the clients can't access certain internet domains/ips through the VPN. As an example, the user can browse ...
1
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1answer
541 views

v6tov4 in Linux?

I have a server which runs Debian system. I use pptpd for VPN services. But pptpd can only response to IPv4 traffic and ignore IPv6 traffic. Is it possible to establish VPN connection using IPv6?(That ...
2
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0answers
1k views

Can't ping other machines at Linux VPN PPTP server's local lan from outside

Before anything else, hello guys, this is the first time I ask for something here so I hope someone can give me a hand, please look at the following network diagram: ----------------------------------...
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2answers
4k views

Manually add route to VPN

Hello server enthusiasts, I have a VPN (pptpd running on Ubuntu 10.04) that I am trying to connect to with a client (Win7). I can successfully connect to the VPN. Once connected to the VPN, I can ...
1
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0answers
7k 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 ...
0
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1answer
3k views

problems connecting to VPN server on Raspberry Pi (Debian) [closed]

I have installed pptpd on my Raspberry Pi box (it's Debian-based for those who don't know), it's running but not working properly - I can't connect. here's interesting log - me trying to connect: ...