Date: Tue, 16 Jan 2007 10:11:46 -0800 From: Chuck Swiger <cswiger@mac.com> To: Randall Stewart <rrs@cisco.com> Cc: freebsd-net <freebsd-net@freebsd.org> Subject: Re: Problem with port 0 Message-ID: <E7D65849-3A24-4A84-B1B4-D888BDB6E18E@mac.com> In-Reply-To: <45ACCFF4.4040709@cisco.com> References: <f9876c510701120903r65543ef4nafc7eeead2becb42@mail.gmail.com> <20070112163057.2a3ec8f0.rnsanchez@wait4.org> <45A807F8.7080603@FreeBSD.org> <45ACCFF4.4040709@cisco.com>
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On Jan 16, 2007, at 5:15 AM, Randall Stewart wrote: > So... I guess this really leads to a question.. > > What does "reserved" mean by IANA. "reserved" means one "SHOULD NOT" use that port, where the phrase in caps is defined in RFC-2119 (http://www.ietf.org/rfc/rfc2119.txt). And: http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers ...states: "0/tcp,udp: Reserved; do not use (but is a permissible source port value if the sending process does not expect messages in response)" -- -Chuck
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