[Gllug] NHSnet Choose and Book

[Alain Williams]

On Thu, Feb 14, 2008 at 02:14:19PM +0000, John Winters wrote:
> damion.yates at gmail.com wrote:
> > On Wed, 13 Feb 2008, tid wrote:
> > 
> >> The Congestion charge webpage lets you get all the way to the payment page
> >> and then stops with firefox. Grrr.
> > 
> > I've only ever paid using Mozilla or FF or various UNIX systems.
> > 
> > However I couldn't log in a couple of weeks back and assumed their
> > server was just busy.  It's always been slow and rubbish, and used to
> > reset your session if you switched IP addresses half way through*.
> 
> That seems logical to me.  If someone has managed to snarf your cookie 
> half way through a session you don't want them to be able to hi-jack 
> whatever you're doing.

I used to use IP address exactly for that: as a mechanism to detect an attempted
session grab/break-in. I had to remove it because some ISPs have multiple gateways
to the Internet and packets from the same client/browser can appear to come
from differnt IP addresses. :-(

-- 
Alain Williams
Linux Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer.
+44 (0) 787 668 0256  http://www.phcomp.co.uk/
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