Security Basics: Re: Scanning--more then one side to the argument

[Steven DeFord <security.willworker () gmail com>]

On Wed, 30 Mar 2005 14:41:36 -0600, Steve Fletcher
<safletcher () insightbb com> wrote:
> port.   Filtered means that a firewall, filter, or other network obstacle is
> covering the port and preventing nmap from determining whether the      port
> is open.  Unfiltered means that the port is known by nmap to  be
FWIW, hosts that are down come back with all their ports filtered, as
well, so you can't necessarily tell a firewalled host from a
nonexistant host (unless you trust its response to ping, which would
be a very oddly-configured firewall).

-- 
Steven DeFord
Security.Willworker () gmail com
(925) 596-0426

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