Re: Allow ssl_renegotiation_limit in PG 9.5

From: Andres Freund <andres(at)anarazel(dot)de>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Shay Rojansky <roji(at)roji(dot)org>, Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, "Pgsql-hackers(at)postgresql(dot)org" <Pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Allow ssl_renegotiation_limit in PG 9.5
Date: 2015-10-17 12:27:04
Message-ID: 20151017122704.GA28038@awork2.anarazel.de
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On 2015-10-17 12:49:17 +0100, Simon Riggs wrote:
> Agreed, but I don't like the idea of hardcoding something so horribly
> specific into the server.

What's that specific about accepting the value for 'disabled' for a
feature that's not supported anymore?

> I'd rather the driver added "driver=npgsql" as an additional parameter in
> the StartupMessage. We can then make the server run some driver specific
> logic, rather than hardcoding something that could cause breakage
> elsewhere. This mechanism would then be extensible to all drivers.

How could this cause breakage alsewhere?

Having to backpatch a new parameter to all supported versions seems far
more invasive than adding a guc that can only be set to one value.

Andres

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