[Haifux] Linux VPN Connection to the Technion

[Eyal Rozenberg]

Umm, I already put together a guide like that, a couple of years back:

http://tx.technion.ac.il/~eyalroz/linux_cable_pptp.html
http://tx.technion.ac.il/~eyalroz/linux_cable_pptp_he.html

you might find it useful.

Eyal

Amichai Rotman wrote:
> Hi again,
> 
> Thank you for your prompt response. Are you at the Technion now? I will 
> be at the SSDL lab in about 30 mins.
> 
> I understand the process in general, but I would like your help in 
> creating a script and a HOWTO.
> 
> I tried to create a VPN "dialer" but it failed to authenticate. Another 
> problem is the fact that the password consists of a 4d igit pre-shared 
> secret and a 6 digit OTP...
> 
> If you are at the Technion, please look me up at the SSDL lab during the 
> day, or even better - give me a call @ 054-3056707.
> 
> Thanks!
> 
> .:====================================================:.
> 
> Amichai Rotman
> 
> UIN#: 6401746
> Registered Linux User#: 201192 [http://counter.li.org/]
> Registered Ubuntu User #12851 [http://ubuntucounter.geekosophical.net]
> 
> ------------------------------------------------------------------------------------------------------------
> 
> PLEASE READ: http://www.gnu.org/philosophy/no-word-attachments.html
> 
> ------------------------------------------------------------------------------------------------------------
> 
> .:====================================================:.
> 
> 
> On Wed, Mar 4, 2009 at 10:27, yakoub abaya <yakoub.abaya at gmail.com 
> <mailto:yakoub.abaya at gmail.com>> wrote:
> 
>     i never connected to technion using VPN , i did it for my isp barak-013
>     if you could send me identification or a link about the post you saw
>     that would be helpful
>     i also didn't use any gui for making the connection .
>     but i would be glad to offer any help i can .
> 
>     for making the connection you first need to verify the infrastructure
>     , mine was hot cable modem and my nic got connected to it via dhcp ,
>     'ifconfig' and 'route' should show eth0 up with an ip
> 
>     vpn is done by pppd and pptp software which require kernel support for
>     ppp , usually if you are not compiling a custom kernel and using
>     kernel provided by your distribution then you don't need to worry
>     about kernel support .
> 
>     what pppd does is to dial to isp ( pptp | l2tp ) server and provide
>     authentication , so the parameters are 1) isp server ip 2) username +
>     password .
>     after pppd establishes authentication it brings the vpn tunnel up
>     which is a tunnel between your pc and the isp and in order to make
>     that tunnel it needs the pptp software .
>     pptp can be installed easily from source package and can also be
>     provided via your distribution .
>     the configuration files reside in /etc/ppp , the way i configure it is
>     to put my username and password in pap-sercrets and create peer/013vpn
>     which describe for pppd how to bring the vpn tunnel up an that is by
>     calling pptp , when i get back home i can send you these files to see
>     the syntax .
> 
>     after pppd finishes and the tunnel is up , you need to use the 'route'
>     command to make
>     your kernel route your network connection via the vpn tunnel ( i don't
>     understand this part well ) before pppd's work your connection is
>     routed to your dhcp server ( hot/bezeq .. ) and you need to replace
>     that with a line for the remote address of the vpn tunnel
>     i use /etc/ppp/peers/013vpn inorder to ask pppd to use a log file
>     which shows the remote ip of the tunnel , but there must be a better
>     way to do that .
> 
>     you also need to make sure that /etc/resolve.conf has the dns
>     nameserver of your vpn tunnel , i also user .../013vpn to tell pppd to
>     create that file and update /etc/resolve.conf
> 
> 
>     On Wed, Mar 4, 2009 at 9:29 AM, Amichai Rotman <amichai at iglu.org.il
>     <mailto:amichai at iglu.org.il>> wrote:
>      > Hi Yakoub,
>      >
>      > I saw a post by you from a while back to the Haifux mailing list
>     regarding
>      > the settings needed to connect to the Technion's network via VPN
>     under
>      > Linux.
>      >
>      > I am helping out to the SSDL, and I would like to put together a
>     guide, How
>      > To, to be posted to the Lab's Wiki or even the Technion's VPN portal.
>      >
>      > I don't mind doing the writing, but I need your help (since it
>     seems you
>      > were able to connect to the Technion via VPN under Linux) with the
>      > specifics. The Lab uses Ubuntu Hardy (8.04.2) LTS, but I guess we
>     should
>      > have a guide for both KDE and Gnome.
>      >
>      > Can you help?
>      >
>      > Thanks!
>      >
>      > .:====================================================:.
>      >
>      > Amichai Rotman
>      >
>      > UIN#: 6401746
>      > Registered Linux User#: 201192 [http://counter.li.org/]
>      > Registered Ubuntu User #12851
>     [http://ubuntucounter.geekosophical.net]
>      >
>      >
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>      > PLEASE READ: http://www.gnu.org/philosophy/no-word-attachments.html
>      >
>      >
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>      > .:====================================================:.
>      >
> 
> 
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