Re: [TLS] SSL Renegotiation DOS

"Steve Dispensa" <dispensa@phonefactor.com> Tue, 15 March 2011 13:22 UTC

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Date: Tue, 15 Mar 2011 08:23:44 -0500
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From: "Steve Dispensa" <dispensa@phonefactor.com>
To: "Nikos Mavrogiannopoulos" <nmav@gnutls.org>, "Jorge A. Orchilles" <jorge@orchilles.com>
Cc: tls@ietf.org
Subject: Re: [TLS] SSL Renegotiation DOS
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> -----Original Message-----
> From: tls-bounces@ietf.org [mailto:tls-bounces@ietf.org] On Behalf Of
> Nikos Mavrogiannopoulos
>
> Hello,
>  I'm curious, what is the effect of that in typical HTTPS servers? Do
> servers allow
> for renegotiation initiated by the client? (apache with mod_gnutls
> doesn't)

When we looked at implementations last year, we found that IIS was definitely not willing to do client-initiated renegotiation, but at the time there were a few that would. I'm sure a lot has changed since I last looked at it.

 -Steve