It should not be re-entered without careful consideration.
Rfd-sense: the defense, law and treaty enforcement, and counterterrorism activities that fall within the port and maritime domain. port + security, see also similar terms like airport security etc. -- Liliana• 13:49, 11 March 2012 (UTC)
I don't see that the other sense is any the less SoP, just based on a different sense of port#Noun. DCDuringTALK 22:27, 11 March 2012 (UTC)
The definition does say 'a feature', so surely that's countable. If it just refers to security of ports it's SoP, if it is a feature then it isn't, so move that to rfv, unless any of our more Internet-savvy contributors can vouch for it outright. Mglovesfun (talk) 11:28, 12 March 2012 (UTC)
If I define "plastic bowl" as "a bowl sitting on my table", the poor quality of the definition is not a justification for a keep vote, as you would seem to suggest, based on your apparent interpretation of the computing sense. Not every attestable predicate is a dictionary-worthy definition. If it is, then Google's search google:"port security is|was" and translate capabilities put it far ahead of us in completeness. DCDuringTALK 14:04, 12 March 2012 (UTC)
Thing is I don't know how correct the definition is or not. If I knew it to be wrong then your logic would apply, but I don't. Mglovesfun (talk) 14:18, 12 March 2012 (UTC)
The computing definition implies (perhaps wrongly) that it's only "port security" if it is done by MAC address. That would apparently exclude other forms of security relating to ports, such as the general use of a firewall. Equinox◑ 14:08, 12 March 2012 (UTC)
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This seems to be a definition which associates the term with Cisco's particular implementation of (uncountable, SoP) "port security". This seems to be a manifestation of an effort to appropriate an ordinary language term to a proprietary purpose. I would think that all uses of the term that are associated with Cisco and its claques and explicators constitute a single instance of independent usage. DCDuringTALK 14:20, 12 March 2012 (UTC)
To repeat my observation from the RFD: this definition suggests (perhaps wrongly) that it's only "port security" if it involves MAC addresses, which would exclude other kinds of port-based security such as general use of a firewall. Equinox◑ 22:17, 13 March 2012 (UTC)
Keep the networking definition is verified.Lucifer (talk) 04:47, 14 March 2012 (UTC)