plugin update, file uploader and SFTP - on a wordpress

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dear apache-folks

this question is regarding the plugin update, file uploader and SFTP - on a wordpress that runs on secured- server

I think I know the answer to the following question as "not possible" but I figured I would check.
my sites are on servers where we disable FTP access and only use SFTP access, and also on a different port (not port 22).


what if i want to use a automated maintaining service like the following

https://mainwp.com
http://wwww.infinitewp.com


automated Installing and updating plugins to the sites does not seem to work and I assume this is the reason why.
I'm also assuming the File uploader extension will not work either. Can anyone confirm this for sure though?

Any ideas as far as workaround?


one might think of the following way: Can you try adding your SFTP settings into the wp-config of one of my sites to see if that allows the functions to work? we can see an example in Editing wp-config.php « WordPress Codex under WordPress Upgrade Constants or possibly try this plugin SSH SFTP Updater Support

do you have any idear!?

cf: https://mainwp.com/forum/showthread....highlight=sftp