Listen to IPv4 by default
Index: ejabberd.yml.example
--- ejabberd.yml.example.orig
+++ ejabberd.yml.example
@@ -27,7 +27,7 @@ loglevel: info
 listen:
   -
     port: 5222
-    ip: "::"
+    ip: "0.0.0.0"
     module: ejabberd_c2s
     max_stanza_size: 262144
     shaper: c2s_shaper
@@ -35,7 +35,7 @@ listen:
     starttls_required: true
   -
     port: 5223
-    ip: "::"
+    ip: "0.0.0.0"
     module: ejabberd_c2s
     max_stanza_size: 262144
     shaper: c2s_shaper
@@ -43,13 +43,13 @@ listen:
     tls: true
   -
     port: 5269
-    ip: "::"
+    ip: "0.0.0.0"
     module: ejabberd_s2s_in
     max_stanza_size: 524288
     shaper: s2s_shaper
   -
     port: 5443
-    ip: "::"
+    ip: "0.0.0.0"
     module: ejabberd_http
     tls: true
     request_handlers:
@@ -61,14 +61,14 @@ listen:
       /ws: ejabberd_http_ws
   -
     port: 5280
-    ip: "::"
+    ip: "0.0.0.0"
     module: ejabberd_http
     request_handlers:
       /admin: ejabberd_web_admin
       /.well-known/acme-challenge: ejabberd_acme
   -
     port: 5478
-    ip: "::"
+    ip: "0.0.0.0"
     transport: udp
     module: ejabberd_stun
     use_turn: true
@@ -78,7 +78,7 @@ listen:
     # turn_ipv6_address: "2001:db8::3"
   -
     port: 1883
-    ip: "::"
+    ip: "0.0.0.0"
     module: mod_mqtt
     backlog: 1000
 
