Networking :: Configuring Pptp + Iptable To Share Connection

Dec 27, 2010

Here's my setup: Slackware 13.1 External IFace = eth0 / DHCP (assigned from comcast) Internal IFace = eth1 / 192.168.0.0/24 I've made it connect/authenticate, but I can't get anything to route through it..

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Really wanting to try and get this setup to where all computers on my lan are forced through the VPN, i've tried most of all things I've googled, and no real luck.

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Ubuntu Networking :: Configuring PPTP-based VPN Connection

Jul 20, 2011

I am unable to make my VPN connection to my university work correctly. Before, it would work some of the time without changing any settings. Now it never works. Unfortunately my institution does not provide support to linux users (outrageous!) so I'm on my own. Here is a link to the configuration instructions for windows and mac users, I've tried to configure mine based on this information but I have not been able to do it.

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Ubuntu Networking :: PPTP VPN Connection Is Failed After A While?

Mar 12, 2010

I setup a PPTP VPN connection in ubuntu 9.10 (x86_64) using NetworkManager. After enabling the VPN connection, I can browse web pages (it's perfect) but after a while the vpn connection is terminated! The following is my syslog after connecting and terminating:

Code:
Mar 12 22:10:10 amir-desktop NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.pptp'...
Mar 12 22:10:10 amir-desktop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.pptp' started (org.freedesktop.NetworkManager.pptp), PID 2204

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Networking :: Routing Change By Pptp VPN Connection

Jun 26, 2011

I have just managed to setup a small server were I run rtorrent through och VPN tunnel pptp based. When I start up my server without starting the tunnel it looks like this.

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I guess that something happen with the VPN connection, assigned a new ip number maybe and that that made the change.

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Ubuntu Networking :: Configure Vpn Connection Using Pptp From The Shell

Feb 11, 2010

I tried to configure my vpn connection using pptp from the shell following following tutorial: [URL] now, if i use Code: pppd call novax to connect to my vpn i see following appearing in /var/log/messages:

Code:
Feb 10 21:11:57 reg-laptop pppd[2655]: pppd 2.4.5 started by root, uid 0
Feb 10 21:11:57 reg-laptop pppd[2655]: Using interface ppp0
Feb 10 21:11:57 reg-laptop pppd[2655]: Connect: ppp0 <--> /dev/pts/0
Feb 10 21:11:58 reg-laptop pppd[2655]: CHAP authentication succeeded
Feb 10 21:11:59 reg-laptop pppd[2655]: MPPE 128-bit stateless compression enabled
Feb 10 21:12:00 reg-laptop pppd[2655]: local IP address 10.243.249.22
Feb 10 21:12:00 reg-laptop pppd[2655]: remote IP address 10.243.249.20

verifying with ifconfig, my ppp0 ip is correctly set to 10.243.249.22 - i can also ping this ip but i tried to ping other ips in our network and i can't reach any of them - did i mess up the route maybe? Content of my /etc/ppp/ip-up.d/route-traffic:

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Ubuntu Networking :: PPTP Connection Failing With LCP Timeout

Mar 6, 2010

I'm using Kubuntu 9.10, my pppd version is 2.4.5 and pptp is 1.7.2 I'm trying to connect to the iPredator VPN service, but I keep running into problems with LCP. I've tried using knetworkmanager, nm-applet, kvpnc and plain old text-based configuration to no avail. Here's a snippet of pppd's output:

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(I've got "defaultroute" in my /etc/ppp/peers/ipred config file.) Any ideas what could be causing this? Could it even be my router? It claims to support PPTP, but considering it claims a lot of other things which aren't true, I wouldn't be surprised if it was the culprit.

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Ubuntu Networking :: Can't Post In Facebook Using Vpn Pptp Connection

Sep 15, 2010

i set a pptp -vpn connection.but i cant post anything in facebook. is there any specific settings i have to do?

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Ubuntu Networking :: VPN PPTP Connection Fails When Downloading?

Sep 20, 2010

I am using relakks.com VPN Service and set it up with gnome's default nm-manager interface. Everything is just perfect when I'm browsing the web. I can do it for hours and nothing happens. On the other hand, when I open up a torrent client - after 15 seconds to 2 minutes - I get a nice kick off the VPN.

It goes like this:

Code:
Sep 20 08:25:11 NPC pptp[3496]: nm-pptp-service-3490 warn[decaps_gre:pptp_gre.c:426]: discarding bogus packet 94236 (expecting 93663)
Sep 20 08:25:11 NPC pptp[3496]: nm-pptp-service-3490 warn[decaps_gre:pptp_gre.c:426]: discarding bogus packet 94237 (expecting 93663)

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Ubuntu Networking :: PPTP VPN Connection Stopped Working?

Oct 6, 2010

I managed to set up a PPTP VPN connection in Ubuntu 10.04, and it worked first time.This was about 3 months ago. It was working yesterday (Oct 05 2010), but when I came to log in to the VPN today it doesn't work. I tried the same VPN connection on my wife's laptop which runs Vista and it works. I have tried re-entering the details, even deleting and setting up from scratch via network manager. And yes I have the correct VPN plugins. what I should do. Is there a log file so I can have a look at it to see what the problem is. If there is where is it located. The computer is able to connect to the internet without any problems, just can't connect to the VPN. The only thing I can think of is that the update manager popped up this morning so a few things have got updated today. maybe something in there broke the VPN connection.

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Fedora Networking :: Use Network Manager To Connect To A Pptp Vpn Connection?

Feb 25, 2010

I have updated the system this morning and the vpn stopped working!It gives me an error: invalid secrets.I use network manager to connect to a pptp vpn connection, I use fedora 12.Does anyone know the problem?

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Fedora Networking :: Pptp Vpn Connection - Failed To Parse Server Response

Nov 11, 2009

I am trying to connect to our work server (windows), however, without succes In the log I get the message: "Failed to parse server response"

And when I close the vpn connection window I get "there were no valid vpn secrets"

I Use F10 with xfce on an aspire one.

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Networking :: In PPTP Server - Limit Bandwidth Per User & No. Of Connection Per Account?

Apr 2, 2010

recently i rent a xen vps intended to setup a PPTPD vpn server for me and my friends. so we can by-pass the great firewall in china and get back on ....., facebook and stuff. i have already setup the server and i can connect to it without any problem. but i still want to do some further configuration the server:

1. i want to limit the bandwidth to 400k/s per connection.
2. i also want to limit the max connection per user a/c

i have some thoughts on the 2nd requirement. in the user configuration file of /etc/ppp/chap-secret, you can specify the range of ip the user can get, does it limit the max connection per user a/c? or they can connect anyway, just every now and then a box pop up says conflict in IP address?

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Ubuntu Networking :: Cannot Connect To PPTP VPN (The Synchronous Pptp Option Is NOT Activated )?

Jan 7, 2011

I am trying to connect to a PPTP VPN at work, and I cannot accomplish that. Both server and client are using Ubuntu 10.10.

Code:
Jan 7 11:32:26 multicore-dev03 NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.pptp'...

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Networking :: Make PPTP Routing / Specify An Expired Date For Each Pptp User?

Mar 13, 2010

i have a VPN server PPTPD on Centos 5.3

eth0: 62.2.2.x (public on the internet)
GW: 62.2.2.1 (cisco router)

i want to configure my ppptp server to allow users access internet with their own public ips of class 62.2.3.0 62.2.4.0 62.2.5.0

every time i configure my server all users can get thier IPs but they only go out with my server IP same as NAT not routing.

can you show me the proper configuration to make my users connect with public IP and have internet access. use specific DNS ( i did this but some users can not brows by DNS)

is there any way to specify an expired date for each pptp user.

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Networking :: PPTP Client Fails To Connect To Microsoft ISA PPTP Server?

Sep 17, 2009

I'm trying to connect to a Microsoft ISA PPTP server from my Linux box. The box I'm connecting from is itself a router. I have no problem connecting a Windows XP machine to the VPN via this machine. This is fine, but I would rather connect via the Linux machine, giving me far more advanced routing options (i.e. no to send every packet from the XP box completely unnecessarily via the PPTP tunnel). The Linux router is running Debian Lenny.

I've checked iptables. There were initially some issues. I've fixed those.

Invoking pppd from the console, I can see that authentication succeeds, but then some negotiation goes wrong and the server terminates the connection. Here's the output from pppd, with the more sensitive stuff removed:

Code:
<hostname>:~# pppd call <peer> nodetach debug
using channel 19
Using interface ppp0
Connect: ppp0 <--> /dev/pts/2
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xe3e45f75> <pcomp> <accomp>]
code....

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Fedora Networking :: 11 - Share My Internet Connection With Wireless Connection

Jun 21, 2009

I have installed Fedora 11 recently. I want to share my Internet connection.

I have e LAN connection eth0 which is connected to internet.

I have a Wireless connection wlan0.

I want to share my internet connection with wireless connection.

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Networking :: Use The Laptop With The Wireless Connection To Share The Internet Connection?

Feb 4, 2010

I have two linux laptops. Currently, I'm using both of them at work, side-by-side. Now the problem is, I'm connected to a wireless router, but the wireless only works on one of the laptops. So I'm stuck with one laptop that has no access to the internet. Both machines do, however, have working ethernet nic cards. So, I was wondering if I could use the laptop with the wireless connection to share the internet connection with my other linux machine and access the internet on both of them. Or as an alternative, just use the internet on the machine without wireless and be able to switch back and forth, that would increase my productivity like 30 fold.

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Ubuntu Networking :: Configuring A Bridged Connection?

Apr 22, 2010

how to configure a bridged connection in where we are required to enter username and password.I am currently using PPOE type connection of my modem(A Nokia siemens ADSL modem).

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Networking :: PPTP Connection From WAN / Gets To "verifying Username And Password", And Then Returns Error 619?

Jun 10, 2009

I have set up an ubuntu server running PPTP Server for VPN connections. I can successfully connect from a laptop within the LAN, but taking that same machine to an internet connection and trying to connect back in does not work. The only difference is that when I connect from within the network, I am obviously using the server's LAN (non-routable) address, and when I am connecting from outside the network (from Verizon Business DSL ), I am using the Comcast connection's static IP address.

I have a static IP address on a Comcast Business Class internet connection. Router is set to forward pptp and GRE ports.

Works:
VPN Server <- Laptop
iPhone -> Internet -> Router -> VPN Server

Does not work:
Laptop -> Internet -> Router -> VPN Server

Here is the weird thing. I have an iPhone that connects flawlessly every time through it's AT&T data connection. The laptop however, gets to "verifying username and password", and then returns error 619. It seems that there is an issue only when going through the router using the PPTP client built into MS windows.

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Networking :: Share Connection With My IPv6?

Feb 18, 2011

I am wondering how I can share connection with my IPv6 connection.

I am using slackware and ip6tables so far. But the problem is that IPv6 or ip6tables has no "-t nat", so how could I just simply share Internet with the computers behind the firewall?

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Ubuntu Networking :: Use Internet Connection From LAN To Share Internet Connection Through Wireless?

Jan 9, 2011

I am running Ubuntu 10.10, and I would like to use my computer to share the internet connection from an ethernet port. For example, I would like to set up my computer as a wireless access point so I can create a network that other computers can connect to for internet.

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Fedora Networking :: Share A GPRS Connection?

Apr 25, 2009

I have two Desktops. Both running Fedora 9 and connected to each other with a crossover cable. I have a GPRS connection via a USB bluetooth Dongle. I can connect thru rfcomm on Kppp. Assigned static ip's 192.168.10.1/2 and can ping from one computer to the other. So far so good but now I want to share the internet connection between the two computers and run into a maze of gateways and DNS and iptables and am spinning around with no clues. Some of the things I do not understand are

1. What gateway does one assign when your computer directly connect to the internet through a GPRS and not through a NIC or router??

2. When I try to load the shared NFS folder, why does it say "could not load the location: internal error"?

3. Is there somewhere I could get a step-by step instruction??

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Ubuntu Networking :: Could Use LAN And Share Internet Connection Between PCs?

Jul 10, 2010

I'm trying to connect two PCs to the Internet (or at least to create a local network) using a crossover cable. My main PC (the one that has two ethernet adapters and is connected to the Internet) runs Windows 7 and my secondary PC runs Ubuntu 10.04.Unfortunately, it doesn't work. Both systems send out packages but don't receive anything. How can I possibly fix this, so that I could use LAN and share the Internet connection between PCs? Does Windows need special software to recognize Ubuntu (or the other way around)?

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Ubuntu Networking :: How To Share IPv6 Connection

Nov 15, 2010

I have a small wireless network running IPv6 connected though a 802.15.4 usb stick, and a network connection through eth1. I can access the nodes on the wireless network from my computer, but not from any other on the wired LAN. Also the nodes on the wireless cannot see even the address of eth1. I'm guessing i have to forward all packets from the wireless to eth1 in some way, but am unable to find an guides for this with IPv6.

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Networking :: 3G Modem On Debian Try To Share Connection With Lan

Mar 21, 2010

Generally I don't like just asking stuff but just can't crack this one. I got a debian machine. My internet connection is on a 3g usb modem. It connects perfectly. Then I downloaded DHCP 3 and then configured it so I got 172.16.0.0 network address with gateway on 172.16.0.1 (set by DHCP) 172.16.0.1 is also the eth0 address and is assigned as fixed by DHCP. With the modem not connected the other PC connects no prob, gets the default gateway and get assigned an ip by DHCP and there is a proper connection with APACHE serving pages. So it is all grand. Where my prob comes in is that I am not able to get traffic from the modem through to the other PC, and at times the modem would not be used as default connection with eth0 up. Restarting the modem fix this but then also drop the assigned gateway address.They are connected directly via crossover cable. The modem is setup as ppp0 according to ifconfig and then ethernet as eth0 and I tried some masquerading allowing all traffic through but does not seem to do the trick.

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Fedora :: Connect To A Windows Vpn Connection Using Pptp

Nov 26, 2010

I'm unable to connect to a windows vpn connection using pptp this was working yesterday but for some strange reason it stopped working. My other vpn tunnels to cisco and so on are working great. I have the following log:

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Nov 26 17:05:15 falx NetworkManager[1319]: <info> VPN service 'pptp' disappeared I have the latest updates, so that means that selinux was updated today. My selinux policy was enforcing but I changed it to disable and allready rebooted. Iḿ using Fedora 14 (I already regret for making the upgrade from 13, also have a problem with display drivers or something, but thats another story) does anyone encounter a problem like mine with pptp? can you share the solution if there is one?

Alexandre. Update: At the moment after connecting by Ethernet cable to my home network the connection wold be established but no address would work to the remote network, I've disconnected the cable and resumed using my wifi connection and the VPN connection is working again!! I don't have a clue about what just happened.. since itś working I need to get some work done and will provide more info on this matter if I found something new.

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OpenSUSE Network :: Creating PPTP VPN Connection In 11.3?

Dec 26, 2010

Since I completely switched to Opensuse11.3 From MS-Windows OS. The Problem I had is a PPTP VPN connection in windows, Which I used to connect Via a connection, The VPN provider gave me. Since these connection are for MS-Windows , I can't create a connection manually in Opensuse. I used , KDE control module/Network connection/VPN/add -> PPTP then I entered the host ip in NT DOMAIN field , my username, and password, and left all other options (including Gateway) the way it was. After that, every time I try to connect to this connection, NOTHING happens.

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OpenSUSE Network :: Set Up Pptp - Can't Seem To Make A Connection

Apr 6, 2011

I am using OpenSuse 11.4 and trying to set up pptp. I think I am almost there but cant seem to make a connection. Here is the log: -

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Ubuntu :: PPTP VPN Connection - Internet Really Slow

Jan 29, 2011

I recently installed Kubuntu 10.10 on my machine, and I configured the PPTP VPN connection through which I connect to the internet. I can successfully connect, but it works really slowly. Slower than it does on Windows 7 on the same computer, with the same settings for the PPTP dialer. In about 20 minutes after I connect, the connection fails and even the modem restarts itself. I tried setting the MTU for the pptp connection to 1400 (I checked, and 1372 is the maximum value before the packets start to fragment + 28 bytes for the IP/ICMP headers), but nothing seems to help.

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Server :: No Internet Traffic Through The PPTP VPN Connection?

Feb 21, 2011

everything works fine, clients can connect to the vpn server with no problems and they can ping local machines! but no internet access through the vpn connection unless i uncheck the default gateway option on my client machine which is not what i want. I want my clients to get my server's ip address. my server is behind a router (router's ip : 192.168.0.1 | server's local ip: 192.168.0.100) so i used localip 192.168.0.100 & remoteip 192.168.0.234-238 in pptpd.conf. it think there is something wrong with routing or firewall rules, because it seems that the DNS resolution works .. when i try to browse a website my browser says "Waiting for xxxxx.com..." and it stays on that stage forever ! the funny part is that google.com works fine (don't know how).

p.s :
* I have already opened the port in on my router. I even tried it locally to make sure that the router is not the problem here. * already added ms-dns 208.67.222.222 / ms-dns 208.67.220.220 to pptpd-options. (found another guide that suggested to do this, before adding these two lines even dns resolution was not working.)

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