[asterisk-users] Asterisk & Pix firewalls

[Lee Jenkins]

Noah Miller wrote:
> Hi Don -
> 
>>  I asked this last week but i didn't get any answer   So i will 
>> elaborate on
>> my question.   I need to setup a pix 515 firewall (running 7.2.2 OS) to
>> allow sip traffic thru it from a sip phone wherever i may be.  The pix is
>> where all my servers are colocated and i will need to connect thru it 
>> from
>> softphones / hardphones wherever i happen to be traveling.   I need help
>> setting up the pix for inbound and outbound sip/iax traffic.   Any help
>> would be greatly appreciated.
> 
> If you're looking for which ports to open:
> 
> SIP:
> TCP and UDP port 5060 (signalling) - can be changed in sip.conf
> UDP ports 10000-20000 (RTP stream) - can be changed in rtp.conf
> 
> IAX:
> UDP Port 4569
> 
> 

Is it possible to reduce the number of ports to be opened if there is 
moderate traffic?

-- 

Warm Regards,

Lee