> The excerpt from X, (sorry, I forgot their name :( ), uses a 
> semaphore 
> to maintain the connection, where
> 
> 'return OK unless $r->is_initial_req;'
> 
> uses a flag in the request object to bypass the 
> authentication module if the flag is set.  (It is set after 
> the first successful pass through the module.  Therefore, you 
> have an increase in efficiency, (no I/O calls), and you are 
> playing within Apache and mod_perl.  (Plus, the 
> username/password and server information are not left lying 
> around in storage for someone to find ;) ) 

How is the first request identified? Is there a http-session
set, or is it IP-based? How is a client identified?

- mathias -

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