default acl config

rel/files/acl.config

@@ -1,14 +1,24 @@
-{allow, {ipaddr, "127.0.0.1"}, subscribe, ["$SYS/#", "#"]}.
+%%%-----------------------------------------------------------------------------
+%% 
+%% [ACL Design](https://github.com/emqtt/emqttd/wiki/ACL-Design)
+%% 
+%% -type who() :: all | binary() |
+%%               {ipaddr, esockd_access:cidr()} |
+%%               {client, binary()} |
+%%               {user, binary()}.
+%%
+%% -type access() :: subscribe | publish | pubsub.
+%%
+%% -type topic() :: binary().
+%%
+%% -type rule() :: {allow, all} |
+%%                {allow, who(), access(), list(topic())} |
+%%                {deny, all} |
+%%                {deny, who(), access(), list(topic())}.
+%%
+%%%-----------------------------------------------------------------------------
 
-{allow, {user, "testuser"}, subscribe, ["a/b/c", "d/e/f/#"]}.
+{allow, {ipaddr, "127.0.0.1"}, pubsub, ["$SYS/#", "#"]}.
-
-{allow, {user, "admin"}, pubsub, ["a/b/c", "d/e/f/#"]}.
-
-{allow, {client, "testClient"}, subscribe, ["testTopics/testClient"]}.
-
-{allow, all, subscribe, ["clients/$c"]}.
-
-{allow, all, subscribe, ["users/$u/#"]}.
 
 {deny, all, subscribe, ["$SYS/#", "#"]}.