Prioritizing empty TCP ACKs

[clemens fischer]

Frans Gidlöf <neko at skebo.ac>:

> So how do you catch one of those tcp-ack-no-payload packets with
> IPFW?.

AFAIK ipfw doesn't (yet?) have that iplen thing, but ipfw2 has it, or
will have it.  you might experiment with `tcpoptions ...' and
`established', though.  i don't want to do that, but am still
interested if these less powerful measures make a difference, so keep
us posted, please.

  clemens