From 4e97de7cb7a2608fe2ca245f0d05b7106d06e4f1 Mon Sep 17 00:00:00 2001
From: chandi <git@chandi.it>
Date: Tue, 21 Jul 2020 17:23:08 +0200
Subject: [PATCH] ipv6: coturn support

---
 docker-compose.coturn.yml  |  3 ++-
 mod/coturn/turnserver.conf | 10 +++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/docker-compose.coturn.yml b/docker-compose.coturn.yml
index 0e65a57..6485378 100644
--- a/docker-compose.coturn.yml
+++ b/docker-compose.coturn.yml
@@ -4,7 +4,8 @@ services:
     image: instrumentisto/coturn:4.5
     restart: unless-stopped
     command:
-      - "--external-ip=${EXTERNAL_IPv4}"
+      - "--external-ip=${EXTERNAL_IPv4}/${EXTERNAL_IPv4}"
+      - "--external-ip=${EXTERNAL_IPv6:-::1}/${EXTERNAL_IPv6:-::1}"
       - "--static-auth-secret=${TURN_SECRET}"
     volumes:
       - ssl_data:/etc/resty-auto-ssl
diff --git a/mod/coturn/turnserver.conf b/mod/coturn/turnserver.conf
index 832897e..ddb8111 100644
--- a/mod/coturn/turnserver.conf
+++ b/mod/coturn/turnserver.conf
@@ -60,4 +60,12 @@ no-tlsv1
 no-tlsv1_1
 
 # To enable single filename logs you need to enable the simple-log flag
-syslog
\ No newline at end of file
+syslog
+
+
+# Allocate Address Family according 
+# If enabled then TURN server allocates address family according  the TURN 
+# Client <=> Server communication address family.
+# (By default Coturn works according RFC 6156.)
+# !!Warning: Enabling this option breaks RFC6156 section-4.2 (violates use default IPv4)!!
+keep-address-family