Subject: Re: tcp vulnerability? haven't seen anything on it here...

From: "David S. Miller" <[email-masked]>
Date: Thu, 22 Apr 2004 11:28:01 -0700

On Thu, 22 Apr 2004 07:35:54 -0400 (EDT)
"Richard B. Johnson" <[email-masked]> wrote:

> Has anybody checked to see what Linux does if it receives a
> RST to the broadcast address? It would be a shame if all
> connections were dropped!

int tcp_v4_rcv(struct sk_buff *skb)
{
 ...
	if (skb->pkt_type != PACKET_HOST)
		goto discard_it;

Packets which are multicast or broadcast do not get marked
as "PACKET_HOST".