[wp-trac] [WordPress Trac] #28630: wordpress "check for updates" fails silently behind proxy server with https POST 501 Error

[WordPress Trac]

#28630: wordpress "check for updates" fails silently behind proxy server with https
POST 501 Error
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 Reporter:  manikb           |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:
Component:  Upgrade/Install  |     Version:  3.8.1
 Severity:  major            |  Resolution:
 Keywords:  needs-patch      |     Focuses:  administration
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Comment (by xani666):

 Still happens in latest version and on PHP 7.3

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Ticket URL: <https://core.trac.wordpress.org/ticket/28630#comment:7>
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