diff --git a/meta-oniro-core/recipes-core/oniro-modprobe/oniro-modprobe/oniro-kernel-mod.conf b/meta-oniro-core/recipes-core/oniro-modprobe/oniro-modprobe/oniro-kernel-mod.conf
index b9b261ae3a229c57b595fe7e28ee964b2ef5f438..552424be0ecd350fda48e9be7664ca866b426813 100644
--- a/meta-oniro-core/recipes-core/oniro-modprobe/oniro-modprobe/oniro-kernel-mod.conf
+++ b/meta-oniro-core/recipes-core/oniro-modprobe/oniro-modprobe/oniro-kernel-mod.conf
@@ -4,3 +4,6 @@
 #
 
 # This file contains modprobe config
+
+# Disable uncommon protocol: dccp (system hardening)
+install dccp /bin/true