Jesper Krogh wrote: > On 2011-06-15 05:01, Bruce Momjian wrote: > > You might remember we added a postmaster/postgres -b switch to indicate > > binary upgrade mode. The attached patch prevents any client without an > > application_name of 'binary-upgrade' from connecting to the cluster > > while it is binary upgrade mode. This helps prevent unauthorized users > > from connecting during the upgrade. This will not help for clusters > > that do not have the -b flag, e.g. pre-9.1. > > > > Does this seem useful? Something for 9.1 or 9.2? > > > > This idea came from Andrew Dunstan via IRC during a pg_upgrade run by > > Stephen Frost when some clients accidentally connected. (Stephen reran > > pg_upgrade successfully.) > Couldn't the -b flag also imply a very strict hba.conf configuration, that > essentially only lets pg_upgrade in..?
Yes, it could. What rules would we use? We could prohibit non-local connections. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
