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Re: sslcompression / PGSSLCOMPRESSION not behaving as documented?

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On 01/16/2015 08:30 AM, Tom Lane wrote:
Maciek Sakrejda <maciek@xxxxxxxxxx> writes:
I'm having a hard time getting SSL compression working (or even figuring
out why it's not working) with my local Postgres server. The setting [1] is
documented to default to on, but according to the banner when I connect
with psql, it's off.

Possibly you have the same type of problem mentioned here:

http://www.postgresql.org/message-id/CABUevEytxEQtbMeuKpJ8tYjeeB37mzDQ7BASzEZN6EgcGrdZxA@xxxxxxxxxxxxxx

Yes that would seem to be the issue:

https://launchpad.net/ubuntu/trusty/+source/openssl/+changelog

openssl (1.0.1e-3ubuntu1)

Disable compression to avoid CRIME systemwide (CVE-2012-4929).



although Ubuntu may well have done it a bit differently than Red Hat,
ie the way to override openssl's default behavior might be different.

			regards, tom lane




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Adrian Klaver
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