[wp-trac] [WordPress Trac] #47416: Site health - Rest API error - cURL error 28

[WordPress Trac]

#47416: Site health - Rest API error - cURL error 28
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 Reporter:  nirvak          |       Owner:  (none)
     Type:  defect (bug)    |      Status:  closed
 Priority:  normal          |   Milestone:
Component:  Administration  |     Version:  5.2
 Severity:  major           |  Resolution:  invalid
 Keywords:                  |     Focuses:
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Changes (by Clorith):

 * status:  new => closed
 * resolution:   => invalid
 * version:  5.2.1 => 5.2
 * component:  General => Administration
 * milestone:  Awaiting Review =>


Comment:

 Hi there, and welcome to the WordPress Trac!

 Loopback issues often affect things such as WP_Cron (scheduled posts,
 automatic updates) and similar, but can also have other impacts.

 The reasons for the mfailing can be varied, in some cases it can be a
 configuration error form the host (not letting your own server make
 requests to it self due to load balancers, bad DNS setups and so forth),
 but it's also not uncommon that plugins or themes have code that in some
 manner interrupt these requests.

 You mentioned "many", but not "all", so I'll presume that plugins or
 themes are the root cause in your situation, in those cases you can
 recommend they follow the troubleshooting steps as outlined in the support
 teams [https://wordpress.org/support/topic/read-this-first-wordpress-5-2
 -master-list/#post-11506457 WordPress 5.2 Master List].

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Ticket URL: <https://core.trac.wordpress.org/ticket/47416#comment:2>
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