diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a57830..a555332 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.13)
-project(owfms VERSION 2.10.0)
+project(owfms VERSION 2.11.0)
 
 set(CMAKE_CXX_STANDARD 17)
 
diff --git a/build b/build
index 8e2afd3..d8263ee 100644
--- a/build
+++ b/build
@@ -1 +1 @@
-17
\ No newline at end of file
+2
\ No newline at end of file
diff --git a/src/framework/RESTAPI_utils.h b/src/framework/RESTAPI_utils.h
index a3eca9d..72c0afc 100644
--- a/src/framework/RESTAPI_utils.h
+++ b/src/framework/RESTAPI_utils.h
@@ -14,8 +14,15 @@
 #include "framework/OpenWifiTypes.h"
 #include "framework/utils.h"
 
+#include <RESTObjects/RESTAPI_SecurityObjects.h>
+
 namespace OpenWifi::RESTAPI_utils {
 
+	inline bool IsRootOrAdmin(const SecurityObjects::UserInfo &UI) {
+		return 	UI.userRole==SecurityObjects::ROOT ||
+				UI.userRole==SecurityObjects::ADMIN;
+	}
+
 	inline void EmbedDocument(const std::string &ObjName, Poco::JSON::Object &Obj,
 							  const std::string &ObjStr) {
 		std::string D = ObjStr.empty() ? "{}" : ObjStr;
diff --git a/src/framework/utils.cpp b/src/framework/utils.cpp
index 55e0b55..c2f4358 100644
--- a/src/framework/utils.cpp
+++ b/src/framework/utils.cpp
@@ -27,6 +27,10 @@ namespace OpenWifi::Utils {
 				std::all_of(Serial.begin(), Serial.end(), [](auto i) { return std::isxdigit(i); }));
 	}
 
+	[[nodiscard]] bool ValidSerialNumbers(const std::vector<std::string> &numbers) {
+		return std::all_of(numbers.begin(),numbers.end(),[](auto &number) {return ValidSerialNumber(number);});
+	}
+
 	[[nodiscard]] bool ValidUUID(const std::string &UUID) {
 		if (UUID.size() > 36)
 			return false;
diff --git a/src/framework/utils.h b/src/framework/utils.h
index f1cdef3..0228bff 100644
--- a/src/framework/utils.h
+++ b/src/framework/utils.h
@@ -68,6 +68,7 @@ namespace OpenWifi::Utils {
 	};
 
 	[[nodiscard]] bool ValidSerialNumber(const std::string &Serial);
+	[[nodiscard]] bool ValidSerialNumbers(const std::vector<std::string> &Serial);
 	[[nodiscard]] bool ValidUUID(const std::string &UUID);
 	[[nodiscard]] bool ValidHostname(const std::string &hostname);