diff -up net/ipv4/netfilter/ipt_REJECT.c{.orig,}
--- net/ipv4/netfilter/ipt_REJECT.c.orig	2012-12-10 12:08:37.000000000 -0800
+++ net/ipv4/netfilter/ipt_REJECT.c	2012-12-10 12:10:08.000000000 -0800
@@ -79,6 +79,8 @@ static void send_reset(struct sk_buff *o
 	niph->saddr	= oiph->daddr;
 	niph->daddr	= oiph->saddr;

+
+	skb_reset_transport_header(nskb);
 	tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
 	memset(tcph, 0, sizeof(*tcph));
 	tcph->source	= oth->dest;