It isn't correct - 2.0.9 should send H.235 tokens (authentication information) back to the endpoint. And it does so - you can check RCF message for nestedCryptoTokens. This was checked with a few H.235 compiliant devices and it works fine.
----- Original Message ----- From: "Thomas Balsfulland" <tbals@xxxxxxxxx>
Sent: Monday, November 15, 2004 5:10 PM
On Thu, Nov 11, 2004 at 03:05:22PM +0100, Frank Fischer wrote:
One more line on H.235 ... There is no such thing as ONE H.235
implementation method but some different methods to do H.235 authentication.
In 2.0.9 there is a H.235 method called "Baseline Sercurity Profil" (see
Annex D) implemented.
But: Don't believe Recommendations are Standard - some of them, especially
in H.323 are formulated that open (could, should instead of need, must) that
there are possibly as much different implementations as developers working
on it ... sounds funny, but might get very close to the reality :-(
hi there,
now i got an answer from innovaphone. i sent my gatekeeper logs and the traces from the ip200 (from gnugk v2.0.9-cvs, pwlib v1.8.1, openh323 v1.15.1). the answer was german, sorry for bad translation:
we have analyse your traces. we send a correct h.235 authentification and
the gatekeeper send no correct authentification back. the authentification
mechanism from h.235 is symetric, so the gatekeeper must register also at
the ip200 - but it dont do that. thats the reason why we ignore the
registrationconfirm. and we must ignore it to avoid man-in-the-middle-attack.
the method of authentification is given with rrq, so the gatekeeper cant
do anything else. greetings from innovaphone. christoph kuenkel.
is this correct? is this a bug of the gatekeeper?
regards
thomas
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