Antw: Performance impact of linking libwrap

["Ulrich Windl" <Ulrich.Windl@rz.uni-regensburg.de>]

>>> Michael Ströder <michael@stroeder.com> schrieb am 09.12.2014 um 15:19 in
Nachricht <548704F9.7030504@stroeder.com>:
> HI!
> 
> I'm currently trying to upgrade an OpenLDAP package for a openSUSE 
> distribution.

Very good!

> 
> The original package links slapd with libwrap which made sense in former 
> times
> on systems without local host firewall mechanisms.

Maybe even with firewall _mechanism_, some people may prefer using tcp
wraapper instead. Still many products and consultants claim that firewalls have
to be disabled 8-(

> If libwrap does not have a major performance impact I'd keep it that way 
> just
> for sake of backward compability.
> 
> But AFAICT if slapd is linked with libwrap the TCP wrapper is always asked
> whether a connection is allowed or not. One cannot disable it by slapd
> configuration.
> 
> So the question is: How big is the performance impact?

As you are building anyway, why not do a simple performance test as part of
your package testing?

Regards,
Ulrich


> 
> Ciao, Michael.