I have used a wide variety of ports with no problems.  It only listens where you tell it to listen. 

IMHO there are some advantages to some security by obscurity.  Just like putting the ssh access on 222, Putting Asterisk on randomly chosen ports seemed to decrease the number of attempted attacks that I saw. I have even changed some of my servers to not use 222 but to use other different ports for ssh.  

On Fri, Nov 3, 2017 at 7:09 AM, andy_kb7b <andy_kb7b@yahoo.com> wrote:

Chuck,

With all your Asterisk experience, might I ask a question?

I remember reading something (probably on the ohnosec site) stating that the "convention" was to number additional Allstar ports down from 4569. In other words 4568, 4567 ... etc. Of course I cannot seem to find this reference today.

Assuming you remember such a reference, can you tell me whether there are any performance reasons behind it, or is it completely arbitrary? In other words, does the Asterisk code pay special attention to (or waste any time on) ports 4570 or above?

Thank you for whatever you might remember.

-Andy, PB7B/KB7B

42432

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