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Date: Mon, 11 Jan 2010 21:36:59 -0800
From: Julian Elischer <julian@elischer.org>
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To: Dmitriy Zamuraev <gigabyte.tmn@gmail.com>
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Cc: freebsd-net@freebsd.org
Subject: Re: ng_patch node
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Dmitriy Zamuraev wrote:
>> Hi,
>> I've written netgraph node able to modify arbitrary (8|16|32)-bit
>> unsigned integer in passing packets. Node applies one of =,+,-,&,| and
>> ^ operations to number at given offset.

have an IP version that corrects the checksums as you fiddle bytes.
juat an idea

> 
> Thank you.
> I think about more functionality...
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