Re: [tor-dev] Proposal 334: A flag to mark Relays as middle-only

[Neel Chauhan <neel@xxxxxxxxx>]

Hi,

On 2021-09-12 12:31, nusenu wrote:
> Neel Chauhan:
> > > Also ensure this functionality is available to tor clients via a
> > > torrc option like "ExcludeExitNodes" can be used by tor clients as
> > > well.
> > >
> > > The torrc option for clients could be named
> > > "LimitToMiddleOnlyNodes" or similar and takes a list of relay
> > > fingerprints and can appear multiple times in a torrc (like
> > > ExcludeExitNodes).
> >
> > I don't know if torrc options are supposed to go in Proposal
> > documents
>
> I agree that the naming of torrc options is not in scope of a proposal,
> but the fact that the MiddleOnly path selection constraint feature can
> be used by clients without
> requiring DirAuth actions probably is.

It makes sense about that. I will send an updated proposal.

> > I will try to make sure an
> > "ExcludeMiddleNodes" option (how I would name it) would be included
>
> A name "ExcludedMiddleNodes" would suggest the exact opposite of what 
> MiddleOnly
> actually is for, no? It suggests that the given relays are excluded
> from the middle position
> but in fact they should be limited to the middle position.

Sorry, my bad.

The ExcludeMiddleNodes did give a good idea for a new feature I already 
have a MR for:

 * https://gitlab.torproject.org/tpo/core/tor/-/issues/40466

 * https://gitlab.torproject.org/tpo/core/tor/-/merge_requests/436

It's unrelated to this PR, though, and I don't know if it will go in.

> kind regards,
> nusenu

Any time,

Neel Chauhan
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