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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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 ...
ustun's user avatar
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pptpd not working externally on Ubuntu Server 11.10

I am trying to set up a pptpd vpn on our newly installed Ubuntu 11.10 64 bit server, but am not having success having a client connect via an iPhone to the VPN. Note that no clients have been able to ...
Brendan's user avatar
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Linux PPTP VPN server using local account passwords?

Is there a way to configure the PPTP server under Ubuntu 10.04 to allow users to log in with their username/password from the local machine (the Ubuntu server, that is, not where they are connecting ...
bck's user avatar
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1 answer
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Iptables: Selective PPTP VPN routing

I've been able to set up TomatoUSB firmware with Ipredator via PPTP, the configuration is as follows: However, I don't want to use Ipredator PPTP VPN for every machine on my network, how to only use ...
FLX's user avatar
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3 votes
2 answers
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IPTables/VPN forwarding

Goals: 1) allow VPN users to access internet without any restrictions 2) allow server itself to access internet, but using specified ports only (mail, web, remote access) Server config: 1) VPN (...
Oleg Chirukhin's user avatar
3 votes
2 answers
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pptpd on Debian doesn't write any logs

I'm trying to set up PPTP server with Debian Squeeze. The problem is nothing is being written in the logs (neither in messages nor in debug nor in daemon.log) though debug and dump options are set. ...
HUB's user avatar
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Can't reach hosts in same network as server via pptpd on ubuntu 10.4

I've installed pptpd on an ubuntu 10.4 box and configured it like this: localip: 192.168.1.11 (the pptpd server) remoteip: 192.168.1.150-199 I've also added a user and added the following line to /...
kimausloos's user avatar
3 votes
2 answers
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PPTPD with PAM authentication?

I need a VPN solution for my company. One requirement is to be able to use the built-in windows VPN client. We are running a Debian Etch server. I've managed to set up PPTPD but the authentication is ...
Crassy's user avatar
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2 votes
3 answers
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change default PPTP TCP port

Is there a way to make pptpd listen for PPTP trafic on a TCP port other than the default 1723 port? I khow that PPTP uses more then just tcp/1723. It also uses GRE. it's not a problem. just how to ...
ir01's user avatar
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2 votes
1 answer
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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 ...
mikedavies-dev's user avatar
2 votes
2 answers
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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 ...
Eirik H's user avatar
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IPTABLES: routing VPN users through transparent Squid

I'm hoping someone can help me out - I've been tearing my hair out over this! I have pptpd and squid set up. I want give these users access to the internet, but would like to send http traffic ...
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2 votes
1 answer
2k 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. ...
Christopher's user avatar
2 votes
1 answer
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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 ...
Walty Yeung's user avatar
2 votes
1 answer
1k 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 ...
Touff's user avatar
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1 answer
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pptpd server does not route internet traffic?

I have set up a pptpd server on my computer and clients can connect to it successfully. I have enabled ip_forwarding in /etc/sysctl.conf and added the following rule to my iptables to masquerade the ...
Scarlet's user avatar
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2 votes
0 answers
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smbd.service: Main process exited, code=dumped, status=6/ABRT

I'm running samba on a server, but I don't want samba directly exposed to the internet. The server is running pptpd, and I want samba to bind to the local ip of the pptpd, so samba will be accessible ...
user582738's user avatar
2 votes
0 answers
2k 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: ----------------------------------...
Marco Sanchez's user avatar
2 votes
1 answer
331 views

Connect to server via VPN-tunnel to same server

Sorry, if title is unclear, here is the setup: There is machine A, running Linux. A is part of university network and has single network interface with real IP. But connections from outside of campus ...
aland's user avatar
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1 answer
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Mac OS X and Windows clients loses DNS from time to time using a PPTP Linux server

I have a PPTD server (pptpd) running on Debian and my clients are either Windows or Mac OS X machines. I also have an internal DNS hosted at the PPTP server since I want to resolve internal ...
Haytham Elkhoja's user avatar
2 votes
2 answers
17k views

Debian server + PPTP VPN - connection not working

I set up a Seagate DockStar with Debian Squeeze as a litte server in my home network. I'd like to access it from outside my own network now, so I need a VPN connection. BTW, I don't have a router with ...
iYassin's user avatar
  • 121
1 vote
1 answer
694 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 ...
DOSSTONED's user avatar
1 vote
1 answer
4k 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 ...
Jakub Wolski's user avatar
1 vote
1 answer
962 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 ...
M2sh's user avatar
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1 vote
1 answer
4k 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 ...
Mokus's user avatar
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1 vote
1 answer
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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 ...
Ryan's user avatar
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1 vote
1 answer
2k 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 ...
Ian's user avatar
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1 vote
1 answer
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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 ...
ylima's user avatar
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1 vote
1 answer
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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 /...
Anthony Hunt's user avatar
1 vote
3 answers
8k views

PPTPD Couldn't open the /dev/ppp device: Permission denied

I cannot connect to my pptpd server, because it fails to send LCP: Config-Requests to my client. I found the problem, it was located in syslog Jan 14 03:45:38 mightyowl3 pppd[22256]: Couldn't open ...
macintosh264's user avatar
1 vote
4 answers
586 views

ubuntu 9.04 pptp broken after a power failure

I have a small Ubuntu 9.04 router setup as a NAT box and a PPTP server. After a power failure everything except the PPTP server still works. A windows client gets to "registering your computer on the ...
kevin42's user avatar
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1 vote
4 answers
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No External Network Access Through Ubuntu VPN

I have setup pptpd as my VPN server on Ubuntu Server 9.04, I am able to connect to the VPN from the client and can access the server's local network, but I am unable to connect to the external network ...
trobrock's user avatar
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1 vote
1 answer
4k 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 ...
Ahmed 's user avatar
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1 vote
1 answer
11k 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 ...
peyman's user avatar
  • 13
1 vote
1 answer
246 views

Restrict VPN Clients to VPN Server

I've setup a VPN server using Debians pptpd. This all works, but I want to restrict incoming connections so they can only access ports on the VPN server and not get access to other machines on the VPN ...
Sprotty's user avatar
  • 121
1 vote
2 answers
8k views

How to stop pptpd even when there are active vpn client connections?

After issued command to stop pptpd, the pptpd won't stop until all the VPN client has disconnected. The following code shows pptpd is still running after issuing the stop command. ubuntu@ip-10-138-31-...
Michael Z's user avatar
  • 121
1 vote
2 answers
703 views

pptp on linux - I do not want to save passwords to chaps_secrets

I do not like my password to be stored in plain text on linux server. Is there a way to use pptp without storing password to /etc/ppp ?
danatel's user avatar
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1 vote
0 answers
2k 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 ...
Nick's user avatar
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1 vote
1 answer
2k 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 ...
Kia's user avatar
  • 123
1 vote
0 answers
99 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. ...
PotatoChips's user avatar
1 vote
0 answers
100 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 ...
persian_dev's user avatar
1 vote
1 answer
1k 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, ...
bosha's user avatar
  • 13
1 vote
1 answer
3k 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 ...
user185094's user avatar
1 vote
0 answers
9k 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 ...
armani's user avatar
  • 420
1 vote
0 answers
483 views

Networking between openvpn and pptp clients

Long uptime to everyone! OS FreeBSD 9.0-RELEASE, pptpd-1.3.4. Network: em0 1.2.3.4 - external interface and ip tun0 10.18.1.0/24 - network for openvpn clients tun1 10.18.2.0/24 - network for pptp ...
freeminder's user avatar
1 vote
0 answers
1k views

What IPTables settings are needed to allow multiple clients to tunnel through a VPN

I'm trying to lock down my VPS but still allow PPTP-VPN access and am running into a snag. Hoping someone may be able to offer input. Basically trying to figure out what part of my iptables is ...
filmoreha's user avatar
  • 231
1 vote
1 answer
685 views

Bind Poptop (PPTPD) to a specific interface

I have a poptop pptpd running on a server with 16 public IP's I am getting clients to connect to (for example) eth1:8's IP (I also have pptpd set to listen on the address in /etc/pptpd.conf) the ...
Geraint Jones's user avatar
1 vote
0 answers
990 views

How to use Ubuntu PPTPD as Gateway?

I just set up Poptop on our Ubuntu 10.04 server so we could use it as a VPN. I can connect to the LAN through PPTP but I can't use it a gateway (I needed to uncheck the "use default gateway on remote ...
wag2639's user avatar
  • 2,165
0 votes
1 answer
16k 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 ...
mblasco's user avatar
  • 141
0 votes
1 answer
4k 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: ...
grucha's user avatar
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