On Tue, 19 Jun 2001, Rick Who Else? wrote: > Let me clarify somewhat. Lets imagine a scenario, of being on a seperate > network of your target network. So sniffing traffic and MAC addresses don't > apply. And you wish to see how many machines on are a certain subnet. So you > wish to scan the entire range of a class C, lets say. ICMP is filtered out. > And some of the machines may have no ports open. What I mean by that, as > someone asked, would be no services running on any port. Therefore there are > no banners. If you can't get any output from the machine at all, then you can't identify it. It may be off, disconnected from the net, or non-existant for all you know. For the hypothetical situation to work, you have to have something... ICMP unreachable packets, it generates a reverse-DNS lookup when you hit it, something.. Ryan
This archive was generated by hypermail 2b30 : Tue Jun 19 2001 - 20:58:27 PDT