[cisco-voip] Slightly OT: Ephemeral port range question

[Ed Leatherman]

Thanks Mike, was reviewing my ACL's and was hoping I could narrow it down
some more.. it is what it is though.

On 11/2/07, Mike Lay (milay) <milay at cisco.com> wrote:
>
>  Ed,
>
> Everything I have see is 1024 - 65535 in regards to Windows. I can def.
> tell you DCOM uses this range.
>
> Mike
>
>  ------------------------------
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Ed Leatherman
> *Sent:* Friday, November 02, 2007 8:23 AM
> *To:* Cisco Voip Mailing list
> *Subject:* [cisco-voip] Slightly OT: Ephemeral port range question
>
> Probably a dumb question...
>
> I'm a little confused about the "official" ephemeral port range and cisco
> callmanager/related products. i've always ran across at least two different
> definitions of this port range, example from wikipedia:
>
> BSD <http://en.wikipedia.org/wiki/Berkeley_Software_Distribution> used
> ports 1024 through 4999 as ephemeral ports, though it is often desirable to
> increase this allocation.
> The IANA<http://en.wikipedia.org/wiki/Internet_Assigned_Numbers_Authority>suggests 49152 to 65535 as "dynamic and/or private ports".
>
> The ncFTP page that it lists as a source is even less specific and has
> different ranges for different OS platforms.
>
> Does callmanager use the IANA version, or some larger range for example
> for H.245, TFTP, etc?
> The port usage document that I have on ccm 4.1 just lists "ephemeral" for
> the ports on some of these protocols, and it even has ephemeral in its
> glossary but doesn't define what range its using.
>
> --
> Ed Leatherman
> Senior Voice Engineer
> West Virginia University
> Telecommunications and Network Operations
>



-- 
Ed Leatherman
Senior Voice Engineer
West Virginia University
Telecommunications and Network Operations
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