php pgadmin remote db connect failure

2.3k Views Asked by d-man At 31 October 2025 at 18:21

I want to connect to remote database from php to postgres but it could not connect and says

 Warning: pg_connect() [function.pg-connect]: Unable to connect to PostgreSQL server:    
could not connect to server: No route to host (0x00002751/10065) Is the server running on host "xxxxxxxxx" and accepting TCP/IP connections on port 5432? in C:\xampp\htdocs\test.php on line 4
Wrong CONN_STRING

<html> 
    <body> 
        <?php 
        $db = pg_connect('host=xxx.xxx.xxx.xxx port=5432 dbname=postgres user=postgres password=') or die('Wrong CONN_STRING'); 
        if (!$db) {
                echo 'error';
            }else{
            echo 'success';
            }

        ?> 
    </body>

The same database I can access from pgadmin client which is running over same machine where apache is running, I could not understand that pgadmin can access db but apache webserver's php could not access ? any idea ?

Original Q&A

There are 2 best solutions below

d-man On 24 February 2011 at 17:45 BEST ANSWER

It was problem of SELinux Following command fixed the problem

setsebool -P httpd_can_network_connect=1

TML On 24 February 2011 at 09:02

"No route to host" tells you that there is some kind of networking problem - the fact that a different client is able to access it from the same host would indicate it's some kind of security restriction or a firewall that is preventing the connection, but it's hard to be more specific without detailed information about your environment.

php pgadmin remote db connect failure

There are 2 best solutions below

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