Netgraph node to replace packet contents?

[Vlad GALU]

On 8/26/07, Norberto Meijome <freebsd at meijome.net> wrote:
> hi all,
> is there any already existing  Netgraph node that would allow me to replace bytes in the data part of a packet?  I'm talking about generic "foo" for "BAR" replacement, though different lengths  would be good too.
>
> or maybe other tool can do this too?
>

   ports/netsed + pf/ipf (for transparent proxying)
   Of course, the overhead is big.

> thanks!
> B
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