Lessons learned from recent server and website updates

Lessons learned from recent server and website updates

Content-Security-Policy Regarding the CSP header, the prefetch-src entry is deprecated and should be removed. More at Mozilla! Nginx and HTTP/3 The Nginx version in Ubuntu 22.04 is pretty old (1.18) and has reached EOL yet. For receiving newer releases one must add the Nginx repository from nginx.org to the package manager and remove the old…