[wp-trac] [WordPress Trac] #54325: Multisite domain mapping: No blog address to revert to when domain mapping is made inactive

[WordPress Trac]

#54325: Multisite domain mapping: No blog address to revert to when domain mapping
is made inactive
--------------------------------+-----------------------------
 Reporter:  henry.wright        |      Owner:  (none)
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Networks and Sites  |    Version:
 Severity:  normal              |   Keywords:
  Focuses:  multisite           |
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 When a user creates a blog in a network install they are given a blog
 address like "foobar.example.com". Now, imagine domain mapping is
 activated for this blog and the blog can be accessed using a custom domain
 like "example.com".

 If the user decides they no longer want example.com to be hosted on the
 network, they may point DNS records to an IP address not associated with
 the network install. This will result in an orphaned blog because the
 "foobar.example.com" address was vacated when the initial domain mapping
 became active.

 "foobar.example.com" isn't reserved so a completely different user may
 have created a new blog in the mean time using the "foobar.example.com"
 address.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54325>
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