diff --git a/config/linux.config b/config/linux.config
index 1a23f0d..a57143e 100644
--- a/config/linux.config
+++ b/config/linux.config
@@ -590,7 +590,7 @@ CONFIG_INET=y
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE_DEMUX is not set
 # CONFIG_NET_IP_TUNNEL is not set
-# CONFIG_SYN_COOKIES is not set
+CONFIG_SYN_COOKIES=y
 # CONFIG_NET_UDP_TUNNEL is not set
 # CONFIG_NET_FOU is not set
 # CONFIG_INET_AH is not set