It isn't a web interface but there is a project called Firewall Builder (www.fwbuilder.org) that gives you a GUI for creating objects and rules and then "compiles" your rule set into a script you ...

Like its APIs, the new web user interface will launch with PowerBroker as PowerBroker Web in early 2023, following a pilot with first-time users.

Pixabay For years, people have been enjoying YouTube's web interface, as it is one of the most popular places to be in watching home videos, vlogs, games, music videos, and the like.