diff -purN linux-orig/net/ipv4/ip_output.c linux-new/net/ipv4/ip_output.c --- linux-orig/net/ipv4/ip_output.c 2005-06-17 15:48:29.000000000 -0400 +++ linux-new/net/ipv4/ip_output.c 2005-06-20 14:47:58.000000000 -0400 @@ -196,8 +196,6 @@ static inline int ip_finish_output2(stru nf_debug_ip_finish_output2(skb); #endif /*CONFIG_NETFILTER_DEBUG*/ - nf_reset(skb); - if (hh) { int hh_alen; diff -purN linux-orig/net/ipv4/netfilter/ip_conntrack_standalone.c linux-new/net/ipv4/netfilter/ip_conntrack_standalone.c --- linux-orig/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-06-17 15:48:29.000000000 -0400 +++ linux-new/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-06-20 14:47:58.000000000 -0400 @@ -432,6 +432,13 @@ static unsigned int ip_conntrack_defrag( const struct net_device *out, int (*okfn)(struct sk_buff *)) { +#if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE) + /* Previously seen (loopback)? Ignore. Do this before + fragment check. */ + if ((*pskb)->nfct) + return NF_ACCEPT; +#endif + /* Gather fragments. */ if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) { *pskb = ip_ct_gather_frags(*pskb, diff -purN linux-orig/net/packet/af_packet.c linux-new/net/packet/af_packet.c --- linux-orig/net/packet/af_packet.c 2005-06-17 15:48:29.000000000 -0400 +++ linux-new/net/packet/af_packet.c 2005-06-20 14:48:38.000000000 -0400 @@ -274,6 +274,9 @@ static int packet_rcv_spkt(struct sk_buf dst_release(skb->dst); skb->dst = NULL; + /* drop conntrack reference */ + nf_reset(skb); + spkt = (struct sockaddr_pkt*)skb->cb; skb_push(skb, skb->data-skb->mac.raw); @@ -517,6 +520,9 @@ static int packet_rcv(struct sk_buff *sk dst_release(skb->dst); skb->dst = NULL; + /* drop conntrack reference */ + nf_reset(skb); + spin_lock(&sk->sk_receive_queue.lock); po->stats.tp_packets++; __skb_queue_tail(&sk->sk_receive_queue, skb);