The browser does not open automatically during the Connecting page (as I think this would be too intrusive), but clicking on the link should work...
Since you use Fluxbox, I'm going to guess this is the problem:
http://guake.org/ticket/262
I will test the webbrowser module and see if works. Meanwhile, as a workaround, see if you can right-click the link to copy the URL.
The browser does not open automatically during the Connecting page (as I think this would be too intrusive), but clicking on the link should work...
Since you use Fluxbox, I'm going to guess this is the problem:
http:// guake.org/ ticket/ 262
I will test the webbrowser module and see if works. Meanwhile, as a workaround, see if you can right-click the link to copy the URL.