> Should these options be stripped by the kernel when the packet is queued
> for a point-to-point interface? This way only your router needs to take 
> care of this, now you have to disable it on all machines on your local 
> network.

Simply stripping options won't work, because (for instance) the window
scale option *changes the meaning* of some of the other fields in the
header..

It also would require in-flight modifications to the tcp checksum,
causing it to no longer be an end-to-end checksum..

						- Bill