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Wordpress - BackupBuddy: Error, HTTP Loopback Connections Disabled
If the iThemes BackupBuddy extension requires you to enable loopback connections on the server, add the following code between the first and last lines of code in the WordPress wp-config.php file:
Solution not developed by Infomaniak: http://ithemes.com/codex/page/BackupBuddy:_Frequent_Support_Issues#HTTP_Loopback_Connections_Disabled