[e2e] Receiving RST on a MD5 TCP connection.

[Bob Braden]

  *> >
  *> > Even when XX receives the RST, it wont/cant close the
  *> > connection since it will trash the packet as it does
  *> > not have the MD5 digest.
  *> >
  *> > I was wondering if there is any solution to this
  *> > problem. Will it be correct to accept the RST even if
  *> > the MD5 digest is missing ? If we do that, can that
  *> > open doors for some other attacks ?

RSTs in TCP are always advisory, I think.  For example, they are
not transmitted reliably.

Bob Braden