SSL VPN

John Priddy jpriddy at redhat.com
Thu Jun 19 04:14:55 UTC 2008


Oh, forgot to mention -- if your vendor is on this list, try using
'vpnc':

http://www.vpnc.org/member-list.html

http://www.vpnc.org/


There should be howtos on this all over the web.


On Thu, 2008-06-19 at 00:09 -0400, John Priddy wrote:
> The short answer:
> Talk to your IT staff first to see what kind of solution they are using
> and if its possible to use a third party client, if so will they even
> provide you the shared key, group name, etc.  There are some reverse
> engineering ways of determining some of these depending on
> versions/vendors...
> 
> 
> Long answer:
> If your talking about some of the big name vendor VPN concentrator
> products that your company may using for vpn access it may not be
> possible.  This completely different from the openvpn project mentioned
> below.  For these vendors (cisco, juniper, etc) the term 'SSL VPN or
> WebVPN' is 'clientless'.  You basically just go to an ssl web page
> (https://webvpn.mycompany.com) , it asks for a username/password, and
> then pushes down and installs some java applet from the concentrator,
> opens this and connects with your credentials you provided, and then
> sets up a tunnel such that all traffic bound for your workplace tunnels
> through port 443.  
> 
> Chances of this working on a non windows system are slim to none for
> various reasons, most notably the vendors dont write java applets to run
> under anything other than windows.  I am not even sure this would be
> possible due to permissions needed at the network level on linux to do
> so.
> 
> 
> On Wed, 2008-06-18 at 18:42 -0400, Rick Bilonick wrote:
> > On Wed, 2008-06-18 at 17:58 -0300, Itamar - IspBrasil wrote:
> > > openvpn
> > > 
> > > 
> > > Rick Bilonick wrote:
> > > > Could some one point me in the right direction for installing and using
> > > > ssl vpn? I've been using ssh to connect to my server but now it's going
> > > > to be behind a firewall that uses ssl vpn for connections.
> > > >
> > > > Rick B.
> > > >
> > > >    
> > 
> > Thanks. I'm not familiar (yet) with exactly how vpn works. Will this
> > work with access via a web page? (I'm always worried that IT here will
> > make it virtually impossible to use Fedora or any Linux.) Plus I want to
> > be able to connect from my Linux laptop and other Linux computers.
> > 
> > Rick B.
> > 
> 




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