[Bruce Schneier <schneier at counterpane.com>] CRYPTO-GRAM, October 15, 2002

Pete Chown Pete.Chown at skygate.co.uk
Wed Oct 16 08:54:15 EDT 2002


Bill Frantz wrote:

> Does anyone run a service that will check an IP address for open ports?
> (I'd like to test my firewall.)

Just post your IP address on the list, and we'll see if it's vulnerable 
to anything. ;-)

On a more serious note, there is the Gibson research port scanner, here:

https://grc.com/x/ne.dll?bh0bkyd2

I'd feel happier with nmap, but it gave the right answers for our 
firewall when I tested it just now.

-- 
Pete


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