We have a multi-user installation of Wordpress 4.2.2 RPM installed on CentOS 6.6, and on the network plug-ins panel the add plug-in button and plug-in updates are not showing up (we are 100% sure that some plugins are not updated).
The odd thing is that with the /wp-admin/network/plugin-install.php header /wp-admin/network/plugin-install.php he says that we do not have enough permissions to access the page. Please note that we have a super admin.
So far, we have tried to comment on the define( 'DISALLOW_FILE_MODS', true ); configuration line define( 'DISALLOW_FILE_MODS', true ); and change all the salt in the configuration ... no luck.
We tested our server connection with api.wordpress.org:443 and planet.wordpress.org:443 without any problems.
Also note that we have a second WP installation on the same server (not multi-network), which works as intended.
Any hint is welcome, thanks!
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