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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.

A specification for PPTP was published as RFC 2637. The PPTP specification does not describe encryption or authentication features and relies on the PPP protocol being tunneled to implement security functionality.

Source: wikipedia

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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 pptp to connect to VPS#1 , I use sshuttle for…
persian_dev
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What is the remote IP on PPTPD settings? ( digital ocean)

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 /scan from my server ? In the tutorial it…
Anthony Hunt
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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, and browse the web). I can connect to server from…
bosha
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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 iptables rule in the books, and it still seems to…
user185094
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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 bridge connection. The PC with the 192.168.0.10 IP…
Mokus
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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 POSTROUTING -o eth0 -j MASQUERADE And I have only one…
Ryan
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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 IP failing to authenticate. Is there anything…
peyman
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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 via the VPN. If I login to the server via SSH: $…
trobrock
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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 is, pptp over IPv6, NOT IPv6 over pptp)
DOSSTONED
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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 our Active Directory using winbind, smb, etc. …
armani
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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 clients Configuration. /etc/ppp.conf: default: set…
freeminder
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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 servers local network. I'm guessing this is a…
Sprotty
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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 preventing multiple clients from tunneling out into…
filmoreha
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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
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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 the /dev/ppp device: Permission denied can someone…
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