Table of Contents

Browsers

Firefox

Hide Puzzle Icon

about:config
extensions.unifiedExtensions.enabled
false

Use System Certificate Store

about:config
security.enterprise_roots.enabled
true

TLS 1.0 and 1.1

TLS 1.0 and TLS 1.1 have been deprecated since Firefox 78 Release and should not be used now days. Firefox may support these protocols (when you absolutely need it) via about:config 

security.tls.version.enable-deprecated = true

This should only be enabled temporarily to access your NAS.