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fast user authentication (was: Newbie question: setting userPassword field)
Dave Carrigan wrote:
> On Mon, 7 Feb 2000, John Kristian wrote:
> > Dustin Sallings wrote:
> > > There are about 80 LDAP modules for Apache. The one I use verifies the
> > > password by binding as the user ...
> > That's a good, portable, future-proof technique.
> However, this does have a significant performance impact
> But, if you have 10 child http's, that means that there are 10 caches that
> have to be populated, so performance is still going to be affected. And if
> the children exit after n requests, their caches go with them.
Disclaimer: I'm not an Apache expert programmer and this topic gets
slighty off-topic here.
You might want to have a look at how mod_ssl
(http://www.modssl.org/) handles the SSL session cache. IMHO it's
pretty much the same problem.
IMHO mod_ssl offers two options:
1. The cache is stored in a DBM cache file on disk.
2. The cache is stored in shared memory area (library by
I'm sure Ralf Engelschall will point you to the relevant parts in