diff --git a/arch/arm64/configs/gki_defconfig b/arch/arm64/configs/gki_defconfig
index 13a85324afbb..b216e097b27e 100644
--- a/arch/arm64/configs/gki_defconfig
+++ b/arch/arm64/configs/gki_defconfig
@@ -151,6 +151,7 @@ CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_NET_IPIP=y
 CONFIG_NET_IPGRE_DEMUX=y
 CONFIG_NET_IPGRE=y
+CONFIG_SYN_COOKIES=y
 CONFIG_NET_IPVTI=y
 CONFIG_INET_ESP=y
 CONFIG_INET_UDP_DIAG=y
diff --git a/arch/x86/configs/gki_defconfig b/arch/x86/configs/gki_defconfig
index debf9895c937..696d631131ab 100644
--- a/arch/x86/configs/gki_defconfig
+++ b/arch/x86/configs/gki_defconfig
@@ -141,6 +141,7 @@ CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_NET_IPIP=y
 CONFIG_NET_IPGRE_DEMUX=y
 CONFIG_NET_IPGRE=y
+CONFIG_SYN_COOKIES=y
 CONFIG_NET_IPVTI=y
 CONFIG_INET_ESP=y
 CONFIG_INET_UDP_DIAG=y