OK, so I'm a relative UNIX newbie and I'm still working my way through permissions. In this case, the problem I've run into is that when I try to access the syncthing web interface:
I am prompted for authentication:
I've tried the various UID's I've configured and none of them seem to work. I don't remember having this problem when I initially installed it so I assume somewhere I've mucked with permissions. My problem is that I have no idea where. Any help would be great.

I am prompted for authentication:

I've tried the various UID's I've configured and none of them seem to work. I don't remember having this problem when I initially installed it so I assume somewhere I've mucked with permissions. My problem is that I have no idea where. Any help would be great.