Re: Negotiating the SCRAM channel binding type

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: Michael Paquier <michael@paquier.xyz>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2018-08-07T09:02:27Z
Lists: pgsql-hackers
On Sun, Aug 5, 2018 at 4:30 PM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> Well, it'd be useless for users, there is no reason to switch off channel
> binding if both the client and server support it. It might not add any
> security you care about, but it won't do any harm either. The
> non-channel-binding codepath is still exercised with non-SSL connections.

Is that true?  What if it makes a connection fail that you wanted to
succeed?  Suppose we discover a bug that makes connections using
channel binding fail on Thursdays.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


Commits

  1. Remove support for tls-unique channel binding.