[Freeswitch-users] NGINX + Kamailio + FreeSwitch

[Sergey Safarov]

Hello guys
I want configure user frendly WebRTC server based on FreeSwitch and SipML5
client.

It can be easy done in FreeSwitch and NGINX is bounded to different
IP/ports. But if you wants use one IP and 443 port then you will try
configre NGINX to proxy all reuests line "/fs-socket/" to FreeSwitch port
7443.

It is works fine but FreeSwitch cannot not see real client IP address like
folowing. Captured on Amazon server.

freeswitch at ip-172-31-29-87.us-west-2.compute.internal> sofia status profile
internal reg

Registrations:
=================================================================================================
Call-ID:     f1e8c7ca-8f50-4285-fd1a-148d2f1d1b88
User:       23 at 46.218.201.23
Contact:     "23" <sips:23 at df7jal23ls0d.invalid
;rtcweb-breaker=no;transport=wss;fs_nat=yes;fs_path=sips%3A23%40172.31.29.87%3A37244%3Brtcweb-breaker%3Dno%3Btransport%3Dwss>
Agent:       IM-client/OMA1.0 sipML5-v1.2016.03.04
Status:     Registered(TLS-NAT)(unknown) EXP(2016-12-24 09:42:43)
EXPSECS(230)
Ping-Status: Reachable
Ping-Time: 0.00
Host:       ip-172-31-29-87.us-west-2.compute.internal
IP:         172.31.29.87
Port:       37244
Auth-User:   23
Auth-Realm: 46.218.201.23
MWI-Account: 23 at 46.218.201.23

Total items returned: 1
=================================================================================================

Displayed real IP address of NGINX

Also when received INVITE then variables like network_addr will cantain
real IP of NGINX.

Then you can try confgire nginx like ng

proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;


But FreeSwitch wants SIP headers "X-AUTH-IP" and "X-AUTH-PORT" in every SIP
message not only connection establishing. NGINX not understand SIP messages
and cannot do it.

Then you will try cofigure Kamailio between  NGINX and FreeSwitch. In this
case Kamailio can parce http headers and add requred SIP header.
Are you can suggest other way to publish FreeSwitch socket on same port
with http server?
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