[Modules] mod_gnutls "missing a Certificate file!"

Nikos Mavrogiannopoulos nmav at gnutls.org
Sun Sep 13 05:00:54 EDT 2009

Julian Blake Kongslie wrote:
> I'm trying to setup an apache 2 server that offers SSL using anonymous
> DH, and does not offer any certificate at all. Presently, my virtual
> host configuration is as follows:
>   <VirtualHost *:443>
>     ServerName testbed
>     GnuTLSEnable on
>     GnuTLSPriorities NORMAL:+ANON-DH
>     DocumentRoot /web
>   </VirtualHost>
> Unfortunately, apache 2 refuses to start, with the error:
>   [GnuTLS] - Host 'testbed:0' is missing a Certificate File!
> But that, of course, is exactly what I want.
> If I provide a X.509 certificate to satisfy mod_gnutls, it is delivered
> to clients, even if I add "-CTYPE-X.509" to the priorities. I can get
> approximately the right thing by providing an OpenPGP certificate
> instead - it, too, is sent to clients, but nothing in the world
> understands it, so it is simply ignored and the connection falls back to
> ANON-DH mode as I desire.
> Please tell me there's a better way?

Don't really think so. I've never considered anon to be the only option
in mod_gnutls. If you provide a dummy certificate and set -CTYPE-X509
and -CTYPE-OPENPGP does it do what you expect?


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