Re: Do we still need sslVersionMax/sslVersionMin?

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On 7/17/19 3:01 AM, Matus Honek wrote:
I think we cannot remove it. Setting the MIN version is a workaround
for *old clients* not even supporting current NSS' default min.
Setting up MAX version is a workaround for *broken clients* thinking
they can support something they announced but for some reason fail to
work with such a version. I believe most of deployments have some
really legacy software of which not a small amount behaves weirdly
enough these two options save lives; I have seen these issues several
times.
Did you see anyone still using SSL3?

On Tue, Jul 16, 2019 at 10:24 PM Mark Reynolds <mreynolds@xxxxxxxxxx> wrote:
So some time ago when the poodlebleed vulnerability came out in SSL3 we
added a way to set the minimum and maximum SSL/TLS versions the server
would accept (e.g. TLS1.1 <--> TLS1.2).    Current versions of NSS
already use this range by default.  I would like to remove/deprecate the
sslVersionMin/Max and just use what NSS uses by default (which should be
the system wide crypto policy).

Is anyone actually using sslVersionMin/Max?  Do we really have a need
for it anymore?

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