Re: Should we back-patch SSL renegotiation fixes?

Robert Haas <robertmhaas@gmail.com> writes:
> On Wed, Jun 24, 2015 at 3:49 PM, Andres Freund <andres@anarazel.de> wrote:
>> On 2015-06-24 15:41:22 -0400, Peter Eisentraut wrote:
>>> One more argument for leaving everything alone.  If users don't like it,
>>> they can turn it off themselves.

>> Because it's so obvious to get there from "SSL error: unexpected
>> message", "SSL error: bad write retry" or "SSL error: unexpected record"
>> to disabling renegotiation. Right?  Search the archives and you'll find
>> plenty of those, mostly in relation to streaming rep. It took -hackers
>> years to figure out what causes those, how are normal users supposed to
>> a) correlate such errors with renegotiation b) evaluate what do about
>> it?

> We could document the issues, create release-note entries suggesting a
> configuration change, and/or blog about it.
> I don't accept the argument that there are not ways to tell users
> about things they might want to do.

I think there's a strong argument for changing the default setting to
zero (no renegotiation), even in the back branches.
        regards, tom lane