diff --git a/buildroot-external/board/ova/kernel.config b/buildroot-external/board/ova/kernel.config
index 043de9844..cade554c4 100644
--- a/buildroot-external/board/ova/kernel.config
+++ b/buildroot-external/board/ova/kernel.config
@@ -96,6 +96,8 @@ CONFIG_NETLABEL=y
 CONFIG_NETWORK_SECMARK=y
 CONFIG_NETFILTER=y
 CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_TFTP=y
 CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
 CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
 CONFIG_NETFILTER_XT_MATCH_IPVS=y