Hi @loderunner
Welcome to the IPFire community.
When you were setting up the Blue interface did you also setup the Blue Access page as per the wiki
https://wiki.ipfire.org/configuration/firewall/accesstoblue
If you find things that don’t make sense I would recommend asking in the forum or, if the questions have a technical background, in the Development Mailing List, before considering deleting or modifying things in the iptables structural setup.
Yes, this will happen, also for some changes they will be replaced if you do a modification or a save of a WUI page.
I think you have asked this question in another post and it has been answered there.
https://community.ipfire.org/t/how-to-make-manual-iptables-changes-permanent/6424