Awesome work btw in keeping this project alive. I've upgraded to the latest version: 1.8.4b11 and I noticed you added more Known Port types. I didn't see UDP 123 in there for NTP. Is it possible you could add that in a future build?
I did some poking around for you by downloading the filesystem and the file is: /usr/local/www/guiconfig.inc on line 85. I used your instructions for modifying a running system and made the change below to test: