Protecting against Cookie copying

2004-11-08 Thread Martin Moss
All, I'm looking into ways of uniquely identifying a computer. I've been reading around the web looking at different mechanisms, and so far I've drawn a fuzzy blank. Currently, I want to use SSL to let a user sign in and then I return a session cookie, which I then use to confirm the user is

Re: Protecting against Cookie copying

2004-11-08 Thread Rici Lake
Disclaimer: the following is all to the best of my knowledge. Take it for what it's worth. On 8-Nov-04, at 9:27 AM, Martin Moss wrote: so therefore I wonder if I can use this, e.g. map my session_id to a UUID, and then when I check the session is valid I crosscheck this, however I'm not sure if I

Re: Protecting against Cookie copying

2004-11-08 Thread Sam Tregar
On Mon, 8 Nov 2004, Martin Moss wrote: I'm looking into ways of uniquely identifying a computer. Intel tried to implement this a while back with a unique ID in the CPU. The public was not ammused. If you do find a way, please tell us so we can find a workaround. What I wish to do is

Re: Protecting against Cookie copying

2004-11-08 Thread Perrin Harkins
On Mon, 2004-11-08 at 09:27, Martin Moss wrote: What I wish to do is prevent another user copying the session cookie, from one computer to another, and then gaining access. If you're talking about packet sniffing attacks, use SSL and call it a day. If you're talking about a technically

Re: Protecting against Cookie copying

2004-11-08 Thread Martin Moss
Thanks everyone. You've done a good job of assuring me that I haven't missed the whole point of the way these things work. There's been some really useful ideas, suggested and I'm going to have a think about which, if any, are worth implementing. Ultimitely I'm upgrading our site from normal