[tor-dev] Link protocol version

[Roger Dingledine]

On Tue, Oct 28, 2014 at 02:19:17PM +0400, ???????????????? ?????????????????? wrote:
> I'm trying to understand link protocol versions, but I have some problems.
> I requested descriptor from the root server and it contains line "protocols
> Link 1 2 Circuit 1". Then I connected to the node, sent VERSIONS cell and
> got a responce: "00 00 07 00 04 00 03 00 04". But according to that
> responce, the node supports link protocol v3 and v4, not v1 and v2.
> Could you please explain that moment?

I think the versions listed in the descriptor are no longer considered.
You should instead listen to the VERSIONS cell. I've opened
https://bugs.torproject.org/13593 so we can fix the inconsistency.

That said, what relay is this? It seems weird that it would tell you
that it supports link versions 4, 3, and 4.

--Roger