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In rtp.conf the audio port range for the public Asterisk server is defined. Why is this important for the firewall at client side ??<BR>
<BR>
By the way the range defined is :<BR>
rtpstart=11500<BR>
rtpend=11600<BR>
<BR>
Do I then need to open up the same range on the firewall at my customer ??<BR>
<BR>
This has nothing to do with incoming traffic on the firewall at my customer's site.<BR>
<BR>
Jonas.<BR>
<BR>
On Wed, 2010-03-24 at 06:39 -0400, Alex Balashov wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE>
Have a look at rtp.conf.
On 03/24/2010 06:33 AM, jonas kellens wrote:
> Hello list !
>
> I have the following problem at a customer :
>
> Their is a firewall in between the internal network (with IP-phones) and
> the public Asterisk-server.
>
> I see the following message when "sip debug" enabled :
>
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] --- (11
> headers 11 lines) ---
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] Found RTP
> audio format 8
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] Found RTP
> audio format 101
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] Peer audio
> RTP is at port *192.168.0.24:11772*
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] Found audio
> description format PCMA for ID 8
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] Found audio
> description format telephone-event for ID 101 alaw)
> d - 0x1 (telephone-event)
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] Peer audio
> RTP is at port *192.168.0.24:11772*
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36] list_route:
> hop: <<A HREF="sip:ict00@192.168.0.24:5062">sip:ict00@192.168.0.24:5062</A> <<A HREF="sip:itczak00@192.168.0.24:5062">sip:itczak00@192.168.0.24:5062</A>>>
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36]
> set_destination: Parsing <<A HREF="sip:ict00@192.168.0.24:5062">sip:ict00@192.168.0.24:5062</A>> for address/port
> to send to
> [Mar 24 11:19:36] VERBOSE[5087] logger.c: [Mar 24 11:19:36]
> set_destination: set destination to 192.168.0.24, port 5062
>
>
> But when opening a range of ports on the firewall 11700 --> 11800, the
> audio is not coming through !!
>
> When opening the ports 11000 --> 11800, then the audio is coming through
> fine !
>
>
> Can someone explain me why range 1 is not enough fot the RTP-traffic ?!
>
>
> Jonas.
</PRE>
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