Nmap Development mailing list archives

Re: ACK is being sent with a sequence of 0 every time.


From: James Rogers <jamesmrogers () gmail com>
Date: Wed, 13 Jun 2012 16:33:52 -0400

I see this sequence number issue as different  than the spurious port
closed bug, that I why I broke it up in a different email.

On Wed, Jun 13, 2012 at 4:16 PM, David Fifield <david () bamsoftware com> wrote:
On Wed, Jun 13, 2012 at 03:58:28PM -0400, James Rogers wrote:
Thanks for the other comment location and the revision log number.  I
will read that.

I'll try  get_random_u32() there to see what effect that has.

get_random_u32 in the seq field won't do anything to solve this bug. I
suggest you save that for later. That's only if we decide that sending
seq=0 all the time for ACK probes is the wrong thing to do.

You're better off doing experiments with tcp_probe_match.

David Fifield
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