INN and Kerberos V authentication?

Russ Allbery rra at
Tue Jul 24 21:42:23 UTC 2001

Christopher P Lindsey < at> writes:

> As I mentioned in an earlier message, I'm trying to set up a 'community'
> of sorts that will allow discussions via SMTP, HTTP, or NNTP.  I've
> already set up a Kerberos V realm that is used for almost all
> authentication requirements here, so it seems logical to extend this to
> our new community as well.

> I'd like to create a specific Kerberos instance for these community
> members and have INN authenticate against the KDC, but it doesn't appear
> that INN supports it.

What are you authenticating to what?  Clear-text passwords given to nnrpd
over the NNTP protocol against the KDC, or something else?  If the latter,
it should be very simple to start from ckpasswd in the authprogs directory
and modify it to try to obtain a TGT with the user's given password and
return success if that works.

Russ Allbery (rra at             <>

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