Hi,all After I compared the sctp with tcp and udp, I thinkt his a bug that sctp_dnat_handler Incorrectly invoked ip_vs_app_pkt_out. below is the patch. --- net/netfilter/ipvs/ip_vs_proto_sctp.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c index c9a3f7a..db55759 100644 --- a/net/netfilter/ipvs/ip_vs_proto_sctp.c +++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c @@ -173,7 +173,7 @@ sctp_dnat_handler(struct sk_buff *skb, return 0; /* Call application helper if needed */ - if (!ip_vs_app_pkt_out(cp, skb)) + if (!ip_vs_app_pkt_in(cp, skb)) return 0; } -- -- To unsubscribe from this list: send the line "unsubscribe lvs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html