How to handle CORS OPTIONS Request with PHP in NGINX

If you have ever tried to access an API on another Server than your original request, you surely know about the hassles of CORS. In this Article we will talk about CORS in detail. Why it is necessary, how it works and how you can adapt your code to work with CORS.

[EN] Installing an Open-Exchange with Docs and DAV Support on NGINX (Debian)

Open Exchange. Not only a great alternative to Google Calendar and GMail, but in its newest Version also GoogleDocs and OneDrive!

If you have ever extensively used Google you have come to love the easy nature of online collaborative editing in Sheets and Docs. Up until now you had to rely on one of the major online service for this kind of task. But since the newer Versions of Open Exchange these kinds of features are included in its free Community OX.

In the following Steps we will look at the installation and configuration of Open-Exchange with these features included:

[EN] Using Certbot with Cloudflare for Wildcard Certificates

If you have worked with Certbot to issue your certificated you may have seen that Cloudflare supports Wildcard certificates since Summer of this year. Problem is, that the DNS01 Plugin used for authenticating against Cloudflare to issue those certificates is currently only supported in Docker or on newer OS versions.