otoraby

Yes, server is connected to Internet.

I`ve installed Core Control but I can not find any option with cURL name!
These are available options:

Updates Module, Filesystem Module,HTTP Access Module, Cron Module, HTTP Access Logger Module

Regards
Omid

This is output of widget:

Problem retrieving data from Twitter
Wordpress error code: http_request_failed – couldn’t connect to host
Please check your PHP and server settings.

Which options should be adjusted on web server?

Regards
Omid