From 2bea8f2de7235330fdfaaf050234b92541ca914e Mon Sep 17 00:00:00 2001
From: chandi <git@chandi.it>
Date: Mon, 13 Jul 2020 17:40:55 +0200
Subject: [PATCH] ipv6: small variable updates

---
 README.md                    | 1 +
 docker-compose.yml           | 5 ++---
 mod/freeswitch/entrypoint.sh | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 5e36771..249c126 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@
 - TURN server included
 - Fully automated HTTPS certificates
 - Runs on almost any major linux distributon (Debian, Ubuntu, CentOS,...)
+- Full IPv6 support
 
 ## Install
 1. Install docker-ce & docker-compose
diff --git a/docker-compose.yml b/docker-compose.yml
index 6effb5b..a7a1916 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -32,9 +32,8 @@ services:
     environment:
       DOMAIN: ${DOMAIN}
       EXTERNAL_IPv4: ${EXTERNAL_IPv4}
-      EXTERNAL_IPv6: ${EXTERNAL_IPv6}
-      SIP_IP_ALLOWLIST: ${SIP_IP_ALLOWLIST}
-      NETWORK_INTERFACE: ${NETWORK_INTERFACE:-}
+      EXTERNAL_IPv6: ${EXTERNAL_IPv6:-::1}
+      SIP_IP_ALLOWLIST: ${SIP_IP_ALLOWLIST:-}
     volumes:
       - ./conf/sip_profiles:/etc/freeswitch/sip_profiles/external
       - ./conf/dialplan_public:/etc/freeswitch/dialplan/public_docker
diff --git a/mod/freeswitch/entrypoint.sh b/mod/freeswitch/entrypoint.sh
index 780e2ab..75cce30 100755
--- a/mod/freeswitch/entrypoint.sh
+++ b/mod/freeswitch/entrypoint.sh
@@ -4,8 +4,8 @@
 iptables -S INPUT | grep "\-\-dport 5060 " | cut -d " " -f 2- | xargs -rL1 iptables -D
 
 # block requests to 5060 (tcp/udp)
-iptables -A INPUT -i "$NETWORK_INTERFACE" -p tcp --dport 5060 -s 0.0.0.0/0 -j REJECT
-iptables -A INPUT -i "$NETWORK_INTERFACE" -p udp --dport 5060 -s 0.0.0.0/0 -j REJECT
+iptables -A INPUT -p tcp --dport 5060 -s 0.0.0.0/0 -j REJECT
+iptables -A INPUT -p udp --dport 5060 -s 0.0.0.0/0 -j REJECT
 
 # allow some IPs 
 IFS=',' read -ra ADDR <<< "$SIP_IP_ALLOWLIST"