emqx4.3/rel/files/acl.config

%%%-----------------------------------------------------------------------------
%%%
%%% [ACL](https://github.com/emqtt/emqttd/wiki/ACL)
%%%
%%% -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, "dashboard"}, subscribe, ["$SYS/#"]}.

{allow, {ipaddr, "127.0.0.1"}, pubsub, ["$SYS/#", "#"]}.

{deny, all, subscribe, ["$SYS/#", {eq, "#"}]}.

{allow, all}.