Modify access rules
diff --git a/groups b/groups
index 43fe6aa..99e33a1 100644
--- a/groups
+++ b/groups
@@ -1,3 +1,6 @@
 # UUID                                  	Group Name
 #
+99d8472e7048286ce8a7386a221797d885ff3f91	Administrators
+a4c605701637d5c9baa153e3580c1f12f3e949d3	arc-committers
 efa08bb9cd786dd9ea39d92d92d57b6519288bec	arc-owners
+global:Anonymous-Users                  	Anonymous Users
diff --git a/project.config b/project.config
index 833b6a9..eb96038 100644
--- a/project.config
+++ b/project.config
@@ -3,3 +3,8 @@
 [access "refs/heads/*"]
 	create = group arc-owners
 	push = group arc-owners
+	read = group Anonymous Users
+[access "refs/*"]
+	owner = group Administrators
+	read = group arc-committers
+	read = group arc-owners