can't connect thru web server

[asc4john]

Installed MongoDB. Start mongodb. ps ax shows it running. mongo client
connects and I can add data and query it.
On the command line, php myMongoTest.php works. A web test page with
phpinfo() displays mongo as loaded.
But when I try http://myMongoTest.php I get thus error
[Sat Nov 21 19:18:50 2009] [error] [client 192.168.1.101] PHP Fatal
error: Uncaught exception 'MongoConnectionException' with message
'127.0.0.1:27017: Permission denied' in /var/www/html/__TM__/
myMongoTest.php:56\nStack trace:\n#0 /var/www/html/__TM__/mongoTest.php
(56): Mongo->__construct('127.0.0.1:27017')\n#1 {main}\n thrown in /
var/www/html/__TM__/mongoTest.php on line 56
Whats wrong?

[Michael Lugassy]

would be helpful to see your test script and whether it is connecting
through localhost.

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[Kristina Chodorow]

Hmm, it sounds like the user you're starting your web server as a user that doesn't have permission to open a socket.  Not really sure, I've never seen this before. 

Can you tell us more about your setup?  Are you starting the web server as a different user than you're running the PHP script (on the command line) as?  Also helpful might be: which OS, which web server, any special configuration, any special PHP configuration?

[Kristina Chodorow]

Just in case anyone else has this problem, here's the solution:

By default in Fedora 12 (and probably other setups), Apache doesn't allow requests to make network connections.  You can change this by running:

$ /usr/sbin/setsebool -P httpd_can_network_connect 1

and restarting everything.