Thank you leventersoy
I tried starting SSL as you suggested, but FF still returns the following:
The connection was interrupted
The connection to www.giganetwireless.net:81 was interrupted while the page was loading.
* The site could be temporarily unavailable or too busy. Try again in a few moments.
* If you are unable to load any pages, check your computer's network
* If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.