single hop tor circuits (tor-0.2.1.15-rc)

[Roger Dingledine]

On Wed, Jun 03, 2009 at 07:48:22PM -0400, Sambuddho Chakravarty wrote:
> I see some single hop tor circuits being reported through a 'getinfo 
> circuit-status' being also created at times .  Is that normal ?

Yes. These are directory lookups.

> In older 
> tor version (the previous one I tested was 0.1.2.18) allowed only 3 hop 
> circuits by default.

In Tor 0.1.2.x the directory lookups were done separately as plaintext
HTTP requests. That turned out to be easy for filtering tools to
recognize. Now they're done inside the TLS connection.

--Roger