I solved this problem. All four servers are behind a firewall, but port 5432 was not open on the firewall. When I opened 5432, the problem disappeared. Thanks to Rob Sargent, Adrian Klaver and Condor for your help. Howard ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Sunday, August 25, 2019 12:20 PM, Rob Sargent <robjsargent@xxxxxxxxx> wrote: > >>>>> > > > > > > > console. > > > > > > The pg_hba.conf has these lines enabled: > > > > > > pg_hba.conf: > > > > > > host all [username] 0.0.0.0/0 trust > > > > > > host all all 0.0.0.0/0 md5 > > > > > > host all all ::/0 md5 > > > > > > host all all all > > Who is encrypting the password? > > >