AW: Change responderId of IdP by apache vhost

Bergmann, Clemens clemens.bergmann at
Tue Jun 8 15:21:51 UTC 2021

Hi Peter,

Yes, that is exactly what I am trying to do.

Mit freundlichen Grüßen
Clemens Bergmann
Clemens Bergmann
Gruppe Nutzermanagement und Entwicklung
Technische Universität Darmstadt
Hochschulrechenzentrum, Alexanderstraße 2, 64289 Darmstadt
Tel. +49 6151 16 71184

> -----Ursprüngliche Nachricht-----
> Von: users <users-bounces at> Im Auftrag von Peter Schober
> Gesendet: Dienstag, 8. Juni 2021 16:51
> An: users at
> Betreff: Re: Change responderId of IdP by apache vhost
> * Bergmann, Clemens <clemens.bergmann at> [2021-06-08
> 16:42]:
> > A much cleaner option would be to set the responderId based on the
> > apache vhost the request is coming from. That would allow the SPs to
> > switch my entityID whenever they are ready.
> You mean change the responderId based on value of the "Host" HTTP
> Requested Header the IDP's web server recieved? I.e., you have the IDP
> available by two difference host names (aka name-based virtual
> hosting) and would like to trigger a different responderId based on a
> specific host name being used when accessing the IDP?
> -peter
> --
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