Re: [naviserver-devel] Hostname/IP resolving?

[Vlad S. <vl...@cr...>]

This only work when no address parameters specified in the driver's 
section in nsd.tcl. Then it gets hostname and as usually happen hostname 
is just simple name, this is true for internal sites, all internet 
servers usually have fully qualified name configured. So, it is 
logically that reverse DNS is used to get the name.

I would suggest to make driver's config parameter that would enable 
reverse DNS lookup having it disabled by default.


Zoran Vasiljevic wrote:
> 
> On 19.04.2006, at 16:07, Vlad Seryakov wrote:
> 
>> We do use fully qualified hostnames but usually they are resolved or 
>> we specify exactly in nsd.tcl what hostname wqe are serving
> 
> In order to keep the configuration to minimum
> (we are shrink-wrapped package) we do not have
> ANY configuration.
> 
> For TCP port we take 8000 per default and that
> is all. We rely on NS to get proper hostname,
> then to use this hostname to get proper IP address.
> On Mac, this somehow fails in certain configurations.
> What fails is the reverse lookup of hostname given
> address. We have not been able to find out why but
> this one is making our (support) life to hell.
> So we HAVE to do something. First idea was to understand
> WHY the reverse lookup is done deep in NS driver code.
> Next is to either disable it, or make our private
> changes to disable it, because it often leads to inability
> to start on a machine whose hostname cannot be reverse
> looked-up (typically user workstations).
> 
> So, is there any DEEP reason why there is an additional
> IP-to-hostname translation there what I do not see at
> the first glance? Because if it isn't, then I'll like
> to relax that part.
> 
> Cheers
> Zoran
> 
> 
> 
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-- 
Vlad Seryakov
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vl...@cr...
http://www.crystalballinc.com/vlad/