Subj : Error 404 with IPv6 enabled
To   : Kees van Eeten
From : Michiel van der Vlist
Date : Tue Jul 05 2016 20:39:55

Hello Kees,

On Tuesday July 05 2016 16:00, you wrote to me:

 KE>  I think it is not worth persuing what goes wrong. The site is a pure
 KE> mess with virtual servers.

I agree. It is a mess indeed.

 KE>  www.vandekraats.net (83.247.24.4) gives a redirect to
 KE>  meisjes.vandekraats.net (83.247.24.4)
 KE>  In that page there are references to www.vandekraats.net/meisjes/
 KE>  But www.vandekraats.net/meisjes gisves you a 404

 KE>  http://83.247.24.4/oudvanenburg/ gives the page you want
 KE>  In that page are references to oudvanenburg.vandekraats.com
 KE> (83.247.24.4)

The problemis that oudvanenburg.vandekraats.com has IPv6 adress of 2a01:7c8:eb:0:95:170:70:116. And that is where it goes wrong when you try to connect form am IPv6 enabled client. It redirects to a non existent page.

 KE>  http://83.247.24.4/ gives you a redirect to meisjes.vandekraats.net

 KE>  There are two vertial servers meisjes.vandekraats.net and
 KE> oudvanenburg.vandekraats.com

And one is IPv4 only, but the other has a correct IPv4 address but a misconfigured IPv6 address.

 KE>  De default 83.247.24.4 directs to the root of /meisjes/ and
 KE> /oudvanenburg/

 KE>  The alias www.vandekraats.net directs to meisjes.vandekraats.net.

 KE>  www.vandekraats.net/outvanenburg/  would look for the defailt page in
 KE>  /meisjes/oudvanenburg/ but oudvanenburg is a parrallel directory.

 KE>  I would have to simulate the setup to give a more precise analylis.

No need. We have figured out why oudvanenburg.vandekraats.com does not work from an IPv6 enabled client.

Thanks for doing the leg work.


Cheers, Michiel

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