From: Tim (tim-pentest@sentinelchicken.org)
Date: Fri Aug 10 2007 - 13:46:12 EDT
> I was wondering whether running SYN, FIN, XMAS, NULL
> and ACK scans in parallel on a target generate false
> results. Since same client IP is asking for opening &
> closing a connection on target machine will it not
> render some ports open and other closed in the
> report?
Assuming nmap is using random source ports (which it does by default),
even if you're scanning the same port, it's relatively unlikely the
4-tuple (source ip, dest ip, source port, dest port) will be identical.
Remember, this 4-tuple is what uniquely indentifies a connection.
HTH,
tim
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