diff --git a/config/modules.json b/config/modules.json
index 1731f1a..4a29550 100644
--- a/config/modules.json
+++ b/config/modules.json
@@ -112,7 +112,7 @@
 		"version":{
 			"GET": {
 				"des": "Get the list of the versions of the department",
-				"per": [],
+				"per": [["cas_admin"]],
 				"par": {},
 				"output": {
 					"versions": { "des": "List of available versions", "typ": "array" }
@@ -120,7 +120,7 @@
 			},
 			"POST": {
 				"des": "Create a backup if the name is empty, execute the backup if the name is set",
-				"per": [],
+				"per": [["cas_admin"]],
 				"par": {},
 				"output": {
 					"created_id": { "des": "The id of the created version", "typ": "varchar(10,10,alphanumeric)" }
@@ -128,7 +128,7 @@
 			},
 			"PUT": {
 				"des": "Switches to a older version or to current state",
-				"per": [],
+				"per": [["cas_admin"]],
 				"par": {
 					"URL0": { "des": "0 to preview, 1 to apply",                   "typ": "id",                          "ren": "apply"                },
 					"URL1": { "des": "The version name, current state if ommited", "typ": "varchar(10,10,alphanumeric)", "ren": "version", "opt": true }
@@ -139,7 +139,7 @@
 			},
 			"DELETE": {
 				"des": "Delete a backup",
-				"per": [],
+				"per": [["cas_admin"]],
 				"par": {
 					"URL0": { "des": "The version name", "typ": "varchar(10,10,alphanumeric)", "ren": "version" }
 				},
@@ -154,7 +154,7 @@
 
 		"POST": {
 			"des": "Creates a new professor",
-			"per": [],
+			"per": [["cas_admin"]],
 			"par": {
 				"firstName": { "des": "Professor last name.",                 "typ": "varchar(2,30,alphanumeric)"         },
 				"lastName":  { "des": "Professor first name.",                "typ": "varchar(2,30,alphanumeric)"         },
@@ -171,7 +171,7 @@
 
 		"GET": {
 			"des": "Get one or all professors",
-			"per": [],
+			"per": [["cas_admin"]],
 			"par": {
 				"URL0": { "des": "Whether to return VH",    "typ": "id", "ren": "with_vh"              },
 				"URL1": { "des": "Optional professor UID.", "typ": "id", "ren": "prof_id", "opt": true }
@@ -183,7 +183,7 @@
 
 		"DELETE": {
 			"des": "Deletes an existing professor",
-			"per": [],
+			"per": [["cas_admin"]],
 			"par": {
 				"URL0": { "des": "Professor UID.", "typ": "id", "ren": "prof_id" }
 			},
@@ -194,7 +194,7 @@
 
 		"PUT": {
 			"des": "Edits an existing professor",
-			"per": [],
+			"per": [["cas_admin"]],
 			"par": {
 				"URL0":      { "des": "Optional professor UID.",              "typ": "id", "ren": "prof_id"                    },
 				"firstName": { "des": "Professor last name.",                 "typ": "varchar(2,30,alphanumeric)", "opt": true },
@@ -214,7 +214,7 @@
 		"filter": {
 			"POST": {
 				"des": "Get matching professors (only ids) for a given filter",
-				"per": [],
+				"per": [["cas_admin"]],
 				"par": {
 					"categories":  { "des": "Optional category ID list",  "typ": "array<id>",                         "opt": true },
 					"formations":  { "des": "Optional formation ID list", "typ": "array<id>",                         "opt": true },