That works. The other gent traced it, and I placed a debug statement. It appears that on AF_LOCAL sockets on this release/ptf level sa_family is NOT set to AF_LOCAL. I'll file a bug with SCO. $ psql -h lerami2 -p 5432 template1 raddr->sa.sa_family = 2 Welcome to the POSTGRESQL interactive sql monitor: Please read the file COPYRIGHT for copyright terms of POSTGRESQL [PostgreSQL 6.5.3 on i586-pc-unixware7.1.0, compiled by cc ] type \? for help on slash commands type \q to quit type \g or terminate with semicolon to execute query You are currently connected to the database: template1 template1=> EOF $ psql raddr->sa.sa_family = 0 No pg_hba.conf entry for host localhost, user postgres, database postgres Connection to database 'postgres' failed. No pg_hba.conf entry for host localhost, user postgres, database postgres $ Patrick Welche wrote: > Larry Rosenman wrote: > > > > Same result. > > OK, still guessing... How about > > psql -h 127.0.0.1 template1 > > ? > > Cheers, > > Patrick > > ************ > -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 972-414-9812 (voice) Internet: [EMAIL PROTECTED] US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749 ************