[wp-trac] [WordPress Trac] #12609: Enabling FORCE_SSL_ADMIN breaks wp-cron.php

[WordPress Trac]

#12609: Enabling FORCE_SSL_ADMIN breaks wp-cron.php
--------------------------+--------------------------
 Reporter:  dphiffer      |       Owner:  johnbillion
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  4.0
Component:  HTTP API      |     Version:
 Severity:  normal        |  Resolution:  fixed
 Keywords:  has-patch     |     Focuses:
--------------------------+--------------------------

Comment (by pavelevap):

 Strange, I ran into reverse issue. After switch to HTTPS, cron stopped
 working and I had to add following line to enable it again:

 `add_filter( 'https_local_ssl_verify', '__return_true' );`


 {{{
 cURL 7.45.0
 OpenSSL/1.0.2g
 }}}

 Default request ending with `Operation timed out after 0 milliseconds with
 0 out of 0 bytes received`, cron did not worked:
 {{{
 * Trying 2a00:1ed0:1:1800:7:3e:e600:1...
 * Connected to www.example.com (2a00:1ed0:1:1800:7:3e:e600:1) port 443
 (#0)
 * ALPN, offering http/1.1
 * Cipher selection:
 ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
 * successfully set certificate verify locations:
 * CAfile: /etc/ssl/certs/ca-certificates.crt CApath: /etc/ssl/certs
 * Operation timed out after 0 milliseconds with 0 out of 0 bytes received
 * Closing connection 0
 }}}

 After change it works:
 {{{
 * Trying 2a00:1ed0:1:1800:7:3e:e600:1...
 * Connected to www.example.com (2a00:1ed0:1:1800:7:3e:e600:1) port 443
 (#0)
 * ALPN, offering http/1.1
 * Cipher selection:
 ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
 * successfully set certificate verify locations:
 * CAfile: /etc/ssl/certs/ca-certificates.crt CApath: /etc/ssl/certs
 * SSL connection using TLSv1.2 / DHE-RSA-AES128-GCM-SHA256
 * ALPN, server accepted to use http/1.1
 * Server certificate:
 * subject: CN=example.com
 * start date: Jan 23 22:08:00 2017 GMT
 * expire date: Apr 23 22:08:00 2017 GMT
 * subjectAltName: www.example.com matched
 * issuer: C=US; O=Let's Encrypt; CN=Let's Encrypt Authority X3
 * SSL certificate verify ok.
 > GET /wp-cron.php?doing_wp_cron=1491666257.9983050823211669921875
 HTTP/1.1 Host: example.com Accept: */* < HTTP/1.1 200 OK
 < Date: Sat, 08 Apr 2017 15:44:22 GMT
 < Server: Apache < X-Powered-By: PHP/5.6.20-pl0-gentoo
 < Expires: Wed, 11 Jan 1984 05:00:00 GMT
 < Cache-Control: no-cache, must-revalidate, max-age=0
 < Pragma: no-cache
 < Content-Length: 0
 < Content-Type: text/html; charset=UTF-8
 < * Connection #0 to host www.example.com left intact
 }}}

 I am not sure if something is wrong with server settings or it is any
 WordPress bug. Any idea?

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Ticket URL: <https://core.trac.wordpress.org/ticket/12609#comment:16>
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