diff --git a/rel/files/app.config b/rel/files/app.config
index 13649098c..adf5c85c9 100644
--- a/rel/files/app.config
+++ b/rel/files/app.config
@@ -43,7 +43,7 @@
         %% authentication with username, password
         %{username, []},
         %% authentication with clientid
-        %{clientid, [{password, no}]},
+        {clientid, [{password, no}, {file, "etc/clients.config"}]},
         %% allow all
         {anonymous, []}
     ]},
diff --git a/rel/files/clients.config b/rel/files/clients.config
new file mode 100644
index 000000000..2c880c365
--- /dev/null
+++ b/rel/files/clients.config
@@ -0,0 +1,3 @@
+testclientid0
+testclientid1 127.0.0.1
+testclientid2 192.168.0.1/24
diff --git a/rel/reltool.config b/rel/reltool.config
index 30249feb9..1b9849f48 100644
--- a/rel/reltool.config
+++ b/rel/reltool.config
@@ -70,5 +70,6 @@
            {copy, "files/ssl/ssl.key", "etc/ssl.key"},
            {template, "files/app.config", "etc/app.config"},
            {template, "files/acl.config", "etc/acl.config"},
+           {template, "files/clients.config", "etc/clients.config"},
            {template, "files/vm.args", "etc/vm.args"}
           ]}.