Subject: Re: Flag to exclude an interface from INADDR_ANY?
To: Jim Wise <>
From: Paul Goyette <>
List: tech-net
Date: 01/02/2002 08:50:17
In my mind, it would be better to teach the INADDR_ANY daemons how to
listen only on configured interfaces, rather than implement this new
interface flag.

On Wed, 2 Jan 2002, Jim Wise wrote:

> Many daemons, including named, sshd, and sendmail, can be explicitly
> given a set of interfaces to listen on.  They would be configured
> normally to listen on the outside interface (or both interfaces, in a
> strong-host-model environment).
> Other daemons, including those mentioned, can only listen on INADDR_ANY.
> At this point, there is _no_ way to prevent them from listening on an
> outside interface.  This would be addressed by the new flag.
> More generally, such a flag would provide an easy way to classify which
> interfaces were to be used for general services, which is useful in many
> situations.

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