Can't connect to postgresql server

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Can't connect to postgresql server

php error log message:

PHP Warning:  pg_connect() [<a
href=''></a>]: Unable to connect
to PostgreSQL server: could not connect to server: Permission
denied\n\tIs the server running on host &quot;; and
accepting\n\tTCP/IP connections on port 5432?

php connection string:

$conn_string = "hostaddr= port=5432 dbname=dbname
user=username password=password";

Also tried host=localhost


host dbname       username md5

I can connect as that user with psql:

$ psql -h localhost -U username dbname
Password for user username:
Welcome to psql 8.1.4, the PostgreSQL interactive terminal.

This same setup works in another server running 8.0. Differences:

old server | new server
FC3 | FC5
php 4.3.11 | php 5.1.4
httpd 2.0 | httpd 2.2
pgsql 8.0 | pgsql 8.1

I have another server (FC5 / 5.1.4 / 2.2 / 8.1) in which it works.

The same script running from another server (FC3 / 4.3.11/ 2.0) can
connect to the new
server using this pg_hba entry:
host dbname       usename   md5

It just can't connect locally which is not postgres a problem since I
can connect locally with that user with psql.

What else should I check? I am out of ideas.

More details:

Regards, Clodoaldo Pinto

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