Using ckpasswd -s to authenticate users

Jeffrey M. Vinocur jeff at
Mon Sep 3 22:37:26 UTC 2001

On Mon, 3 Sep 2001, Jeffrey Davis wrote:

> I want to restrict its use to only those users that have an account on
> my server (with RedHat I guess this means I need to authenticate with
> shadow passwords).

With Redhat you're surely using PAM.  You need this:

> In reading the man page for reader.conf it says:
> "note that ckpasswd may have to be setgid to a shadow group to use this
> option"
> What does this mean? I thought that all the programs in ~/news/bin had to be
> chown to news:news

No, in fact, inndstart and startinnfeed are likely SUID root.

Jeffrey M. Vinocur
jeff at

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