[wp-trac] [WordPress Trac] #52248: Multisite new site default protocol

[WordPress Trac]

#52248: Multisite new site default protocol
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 Reporter:  kpetrilli                            |      Owner:  (none)
     Type:  defect (bug)                         |     Status:  new
 Priority:  normal                               |  Milestone:  Awaiting
                                                 |  Review
Component:  Networks and Sites                   |    Version:  5.6
 Severity:  normal                               |   Keywords:
  Focuses:  administration, multisite, rest-api  |
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 Newly created sites in a multisite installation default to HTTP even
 though the main site is HTTPS.
 == Reproducible by doing the following:
 * Installing WordPress, served by nginx;
 * First (main) site initially set to use HTTP only
 * Enable multisite (subdomain)
 * Migrate everything (wp-config.php, database entries) to HTTPS only
 * Create a new site
 == Expected behavior:
 New sites should be created with HTTPS instead of HTTP.
 == Issues
 When served by nginx, with 80 to 443 redirection (301 Moved permanently),
 page editor will not work, while dashboard will, on the newly created
 site. The redirection for the API will not work, reporting "offline" error
 when trying to save.
 == Workaround:
 After the creation of the website:
 1. Manually change the site's URL to use HTTPS;
 2. Manually change all database entries containing `http://` into
 `https://` with a plugin such as better search replace.
 == Notes
 I could not find how to set WordPress' default multisite protocol for new
 websites. I would happily avoid installing new plugins for that only.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52248>
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