On Mon, 18 Feb 2002, Xinwen - Fu wrote:
> Hi,
> Really weird!
>
> I have two linux machines with kernel 2.4.17. When I ping one
> machine from the other machine, all the ping request ip packets have the
> same sequnce number 0. The ping reply packets have different ip
> sequence numbers. Moreover, when I send udp packets using general
> socket programming, all the udp packets have the same sequence number 0.
>
> I use ethereal to check the packets.
>
> What's the problem?
>
> Thanks!
>
The sequence numbers for 'ping' come from ping. They are not generated
by the kernel.
`strace` [snipped]
sendto(3, "\10\0\335\360\360T\0\0@^q<\202\34\v\0\10\t\n\v\f\r\16\17"...,
|________ sequence NR
sendto(3, "\10\0\237\v\360T\1\0A^q<\277\1\v\0\10\t\n\v\f\r\16\17\20"...,
|___________ sequence NR
Cheers,
Dick Johnson
Penguin : Linux version 2.4.1 on an i686 machine (797.90 BogoMips).
I was going to compile a list of innovations that could be
attributed to Microsoft. Once I realized that Ctrl-Alt-Del
was handled in the BIOS, I found that there aren't any.
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This archive was generated by hypermail 2b29 : Sat Feb 23 2002 - 21:00:15 EST