hi changli, the file is sendip_handler.c....but what's the line code
where you see that ''mtu'' is only the payload?
(i'm sure that it is so, but i wanna see it from source code!)
On Mon, Sep 6, 2010 at 2:09 AM, Changli Gao <xiaosuo@xxxxxxxxx> wrote:
> On Mon, Sep 6, 2010 at 8:04 AM, Nicola Padovano
> <nicola.padovano@xxxxxxxxx> wrote:
>> those 140 bytes are the __tcp payload__ so the payload of IP is: Ip
>> header +TCP payload = 180...
>> isn't it?
>
> After checking the code of hping, I find the 'mtu' parameter of hping
> is the payload of a IP packet.
>
> So the packet you captured should be 20iphdr + 20tcphdr + 140data,
> 20tcphdr + 140data == 160("mtu" of hping), no fragmentation is needed.
>
> --
> Regards,
> Changli Gao(xiaosuo@xxxxxxxxx)
>
--
Nicola Padovano
e-mail: nicola.padovano@xxxxxxxxx
web: http://npadovano.altervista.org
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