[wp-trac] [WordPress Trac] #21573: NOBLOGREDIRECT interfering with 404 errors

[WordPress Trac]

#21573: NOBLOGREDIRECT interfering with 404 errors
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 Reporter:  bungeshea       |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Future Release
Component:  Bootstrap/Load  |     Version:  3.4.1
 Severity:  normal          |  Resolution:
 Keywords:  needs-patch     |     Focuses:  multisite
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Comment (by johnjamesjacoby):

 Consider also the name of this constant being indicative of it's
 intention.

 `NOBLOGREDIRECT`

 Which translates to me as:

 `Redirect to $here when WordPress performed a blog lookup, and found no
 blog`

 In @jeremyfelt's testing above, he's correct that the 4th test in the
 subdomain group is, at the very least, unintended behavior, and should be
 addressed.

 I wonder, though, what happens (and what should happen) in a few other
 cases:

 * A subdirectory installation, but `http://noblog.bar.com` is visited
 * A subdirectory installation, but `http://noblog.bar.com/hello-world/` is
 visited
 * A subdirectory installation where the main site is also a subdomain like
 `http://central.wordcamp.org` but `http://central.wordcamp.org/noblog/` is
 visited
 * A subdomain installation where the main site is also a subdomain like
 `http://central.wordcamp.org` but `http://noblog.wordacmp.org/hello-
 world/` is visited
 * A subdomain installation where the main site is in a subdirectory like
 `http://foo.com/blog/` but `http://support.foo.com` is visited

 There's a bunch of goofy permutations that start to come down to server
 configuration, and WordPress can (should?) only make so many assumptions
 about this, and intelligently redirect to the most natural location when
 it doesn't find anything.

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Ticket URL: <https://core.trac.wordpress.org/ticket/21573#comment:24>
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