Security Basics mailing list archives

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


From: Steven DeFord <security.willworker () gmail com>
Date: Thu, 31 Mar 2005 16:52:12 -0800

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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