Run-time Configuration
This outputs a line to the server log detailing each successful
connection. This is off by default, although it is probably very
- useful. This option can only be set at server start or in the
+ useful. Some client programs, like
psql>, will
+ attempt to connect twice while determining if a password is required
+ so duplicate connection received> messasges are not a sign
+ of problem. This option can only be set at server start or in the
postgresql.conf configuration file.