[wp-trac] [WordPress Trac] #24646: fetch_feed() returns WP_Error with "A valid URL was not provided"

[WordPress Trac]

#24646: fetch_feed() returns WP_Error with "A valid URL was not provided"
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 Reporter:  husdaman      |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  3.5.3
Component:  Feeds         |     Version:  3.5.2
 Severity:  major         |  Resolution:
 Keywords:                |
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Comment (by aaroncampbell):

 Replying to [comment:27 nacin]:
 > I think we can safely allow traffic to 127.0.0.1 as long as the existing
 site's domain also resolves to 127.0.0.1, and the port is standard (80,
 443, or 8080, or if the port matches the site's port (which would work for
 :8888 to :8888). We could also directly whitelist 8888 which is MAMP's
 default).

 Seems like it would be OK to allow traffic to ANY internal IP as long as
 the existing site's domain also resolves to it.  That would allow for
 setups like mine where a few domains on a bank of servers are all pointed
 to an internal IP for a load balancer.

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Ticket URL: <http://core.trac.wordpress.org/ticket/24646#comment:28>
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