>>> Danny Martens <[EMAIL PROTECTED]> 10/25/99 5:22:12
PM >>>


>I consider URL rewriting a dirty trick (see the hotmail bug),
>with too much drawbacks to consider it any longer as a
>serious alternative. Browser persistence has become
>too crucial for a web-application : 99% of your target audience
>can support cookies... no need to become a slave of the
>overwhelming amount of (would-be) browsers out there...

Come, come Danny.

I don't think this is true at all - the latest versions of
GNU-Paperclips support URL-rewriting and I can't believe the Apache
Jserv people will not support it - Craig? Jon?


Problems with cookies:
1. The biggest problem with Cookies is that don't like them and turn
them off. This kills session management with them completly.

2. proxies may not implement them properly
So this is down to a bad implementation but it still brakes things.

3. browsers may not implement them properly
I have recently been trying to get the GNU-Paperclips session
implementation to work satisfactorilly with cookies with both Netscape
and IE. It doesn't, largely I think because the Netscape browsers
don't support the cookie RFC standard but only Netscape's own (please
correct me if I'm wrong).


URL re-writing:
It is also, frankly, nonsense to say there is something inherantly
wrong with URL re-writing.
It is perhaps pertinent that the example Danny cites is very unlikely
indeed to be based on any servlet engine.

I work on BTs Talk21 system where we use URL re-writing all the time
and we have never had a poroblem with loosing sessions. Lot's of other
problems but not that one.



But the best argument is that people can turn cookies off whilst they
can't prevent acceptance of a session encoded in a URL.

I presume that Danny doesn't write servlets for these people but I'd
rather keep them in my user profile.



Nic Ferrier

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