Two points; #1 the more ports you have open, the greater your possible exposure. #2 AFAIK you should have 4 RTP ports for each line you wish to use (although you can tweak some parameter to make it 2) so 10000-10100 should actually be 10001-10120.
From: [email protected] [mailto:[email protected]] On Behalf Of Carlos Alvarez Sent: Wednesday, October 03, 2012 9:46 AM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Call Termination Provider Madness On Wed, Oct 3, 2012 at 7:35 AM, Chris Nighswonger <[email protected]> wrote: At this point I only have ~40 extensions, so I took Michel's advise and set my RTP range to 10000-10100. The default 10000 ports was a bit more surface area than I want to expose. If you think 100 or 10k RTP ports going to your voice server makes ANY difference in security, you really need to re-think this and study more. Not to be a dick or anything, but really, think about it. -- Carlos Alvarez TelEvolve 602-889-3003
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