Modify access rules
diff --git a/groups b/groups
index 1800006..f307770 100644
--- a/groups
+++ b/groups
@@ -2,6 +2,7 @@
 #
 4f32b523380e68c8595bdf27a006c697ea17bade	Non-Interactive Users
 61317511a4a11254cbbf9612896412663548965a	Administrators
+63e77955f1e6a49cb3169e4d3ec0a9fd30380c11	Read-only Users
 7177c81018e69d9a1b1f6f940aad91fbbba574d1	CORD Committers
 global:Anonymous-Users                  	Anonymous Users
 global:Project-Owners                   	Project Owners
diff --git a/project.config b/project.config
index 2239533..7b2b6dc 100644
--- a/project.config
+++ b/project.config
@@ -17,6 +17,28 @@
 	read = group Anonymous Users
 	read = group Non-Interactive Users
 	read = group Registered Users
+	abandon = block group Read-only Users
+	create = block group Read-only Users
+	forgeAuthor = block group Read-only Users
+	forgeCommitter = block group Read-only Users
+	forgeServerAsCommitter = block group Read-only Users
+	push = block group Read-only Users
+	pushMerge = block group Read-only Users
+	pushTag = block group Read-only Users
+	pushSignedTag = block group Read-only Users
+	label-Code-Review = group Read-only Users
+	label-Verified = group Read-only Users
+	labelAs-Code-Review = group Read-only Users
+	labelAs-Verified = group Read-only Users
+	rebase = block group Read-only Users
+	removeReviewer = block group Read-only Users
+	submit = block group Read-only Users
+	submitAs = group Read-only Users
+	viewDrafts = group Read-only Users
+	editTopicName = block group Read-only Users
+	editHashtags = block group Read-only Users
+	deleteDrafts = block group Read-only Users
+	publishDrafts = block group Read-only Users
 [access "refs/heads/*"]
 	create = group Administrators
 	create = group Project Owners