Hi All, To start with, here's some context. From what i've read around, the post_action directive is to be used with caution. I was able to find this information following the link from this post: https://forum.nginx.org/read.php?2,262008,262012#msg-262012 I also found documentation on the directive in this book: ISBN: 9781785280337. Although it's no where to be found in the official documby wonderer - Nginx Mailing List - English