[Bug 1733] Enhance support for QoS (ToS) by supporting DSCP/CS and adding option

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1733

--- Comment #20 from Philip Prindeville <philipp at redfish-solutions.com>  ---
(In reply to comment #19)
> resolv.conf is not world writable because it is used by system daemons
> that shouldn't be subject to reconfiguration by users, not for any of
> the reasons you cited.

It's not just that resolv.conf isn't writable, there's also no way to
override where it looks for the configuration file.  It would have been
easy, for instance, to have an environment variable that contained the
path to an alternate file to use, but this was deliberately not
supported.

> Attempting to enforce DSCP policy in ssh(1) is ineffective and
> therefore misguided. When I get around to looking at this patch again,
> I don't plan on merging this part.

Well, tell you what: let's compare notes from your experiences with all
of the site-wide rollouts of QoS that you've done with my experiences,
and maybe we can base our conclusions on actual empirical data and not
supposition.

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