matched rule id 3 if(window.hljsLoader && !document.currentScript.parentNode.hasAttribute('data-s9e-livepreview-onupdate')) { window.hljsLoader.highlightBlocks(document.currentScript.parentNode); }

Where are the rules listed?

matched rule id 3

Either here mailcow/mailcow-dockerized/blob/master/data/Dockerfiles/netfilter/server.py#L106-L116
or inside the netfilter options