There are 2^16 ports.
The networkice page just lists the ports that exploitable services run on,
and would be ineffective for a port scan.
Scanning all 2^16 ports, or even the first 49151, would be incredibly
inefficient.
Scanning all the IANA ports would be rather inefficient and insufficien
Well, a quick google -
http://www.google.com/search?hl=en&q=tcp+ports
- gave me:
http://www.networkice.com/advice/Exploits/Ports/
and
http://www.iana.org/assignments/port-numbers
This would presumably be the authoritative source; the answer to
your question
Just a quick question...
What is the highest port possible?
I want to make a PHP port scanner, but need to know the portrange.
Thanks
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