Have Database server running in RHE3. postgresql.conf was changed to set tcp_ip=true. Pg_hba.conf was changed to allow my windows machine to access the database. Running “telnet localhost 5432” in linux shows connected to localhost. From my windows end, I can telnet to linux box successfully, it gives the error of “could not open the connection to host on port 5432” when I run “telnet linux_ip 5432”