Title: Error: unknown protocol.
Last modified: August 30, 2016

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# Error: unknown protocol.

 *  [rb1958](https://wordpress.org/support/users/rb1958/)
 * (@rb1958)
 * [10 years, 5 months ago](https://wordpress.org/support/topic/error-unknown-protocol/)
 * Hello,
 * currently testing WP Backup for my vServer. After install the following error
   arised:
 * WP Backup has detected a problem. wp-cron.php is returning a error:140770FC:SSL
   routines:SSL23_GET_SERVER_HELLO:unknown protocol
 * The site ist running HTTPS Protocol. Is it possible that there is conflict with
   a firewall rule? Cannot imagine that HTTPS is the problem.
 * Currently the plugin is disabled.
 * [https://wordpress.org/plugins/backup-with-restore/](https://wordpress.org/plugins/backup-with-restore/)

The topic ‘Error: unknown protocol.’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [rb1958](https://wordpress.org/support/users/rb1958/)
 * Last activity: [10 years, 5 months ago](https://wordpress.org/support/topic/error-unknown-protocol/)
 * Status: not resolved