rusted said:http://www.dslreports.com/tools
But just because you pass their test does not always mean you are safe. But it may give you ideas of how to improve.
Thanks for the link...
Thats a very good point, most of these scans only scna the most common ports that are open and attacked. Some of the better scans will scan more ports but to actually scan 65,000+ ports that are available would take quite some time.