-nonat ? On Tue, 16 Feb 2021 at 10:00, Carsten Bock <carsten@ng-voice.com> wrote:
Hi,
I have a quick NAT related question. Is there a way to disable NAT handling completely?
FreeSwitch always replies to the IP/Port were it received the message from and not to the host/port in Via....
recv 1166 bytes from udp/[172.17.0.1]:36835 at 10:20:56.652918: ------------------------------------------------------------------------ INVITE sip:ann-early@167.99.136.226:5080 SIP/2.0 Record-Route: <sip:167.99.136.226:5070;lr> Via: SIP/2.0/UDP 167.99.136.226:5070;branch=z9hG4bKe305.92946d84.0 Via: SIP/2.0/UDP 192.168.178.52:37350 ;received=93.221.23.15;branch=z9hG4bK-524287-1---936bd2b8103acd0c;rport=37350 [...]
send 366 bytes to udp/[172.17.0.1]:5070 at 10:20:56.659313: ------------------------------------------------------------------------ SIP/2.0 100 Trying Via: SIP/2.0/UDP 167.99.136.226:5070 ;branch=z9hG4bKe305.92946d84.0;received=172.17.0.1 From: <sip:b2bua@167.99.136.226:5070;transport=UDP>;tag=7793d52b To: <sip:3@167.99.136.226:5070> Call-ID: akjc99KAbZfHxXHSea_iTQ.. CSeq: 1 INVITE User-Agent: FreeSWITCH-mod_sofia/1.10.5-release+git-20201002T121516Z~a1bfb14c04~64bit Content-Length: 0
Is there a way, to make FreeSwitch simply reply to the Host/Port in the Via-Header?
My Profile is rather simple and I tried it with setting the local network ACS and NDLB-force-rport:
<profile name="local"> <settings> <param name="local-network-acl" value="none"/> <param name="NDLB-force-rport" value="disabled"/> <param name="context" value="local"/> <param name="sip-ip" value="$${local_address}"/> <param name="ext-sip-ip" value="autonat:167.99.136.226"/> <param name="sip-port" value="5080"/> <param name="rtp-ip" value="$${local_address}"/> <param name="ext-rtp-ip" value="autonat:167.99.136.226"/> <param name="auth-calls" value="false"/> </settings> </profile>
Changing "NDLB-force-rport" to false did not have any impact.
Thanks, Carsten
-- Carsten Bock I CTO & Founder
ng-voice GmbH
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