Re: iptables and tcpdump

David S. Miller (davem@redhat.com)
Mon, 29 Oct 2001 21:31:57 -0800 (PST)


From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 30 Oct 2001 15:28:12 +1100

should the NAT layer be doing skb_unshare() before altering the packet?

I think it should.

Look, if you are messing with packets before they go back out, and
tcpdump could have sniffed it on the way in, you can't change it's
contents blindly.

Franks a lot,
David S. Miller
davem@redhat.com
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