SSL/TLS passive sniffing

Peter Gutmann pgut001 at cs.auckland.ac.nz
Wed Dec 1 02:09:24 EST 2004


Jack Lloyd <lloyd at randombit.net> writes"

>Looking at my logs, about 95% of all STARTTLS connections are DHE-RSA-AES256-
>SHA; I'm guessing this is because most STARTTLS-enabled SMTP servers (ie
>Postfix, Sendmail, Qmail) use OpenSSL, and recent versions of OpenSSL have
>DHE-RSA-AES256-SHA as the top preference cipher by default.

I was just about to point that out myself.  I'd expect for more usual TLS
usage (web browser/server) it'd be 99+% RSA-*.

Peter.

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