> -----Original Message-----
> From: Michael H. Warfield [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, July 11, 2000 1:15 PM
> To: Ronneil Camara
> Cc: [EMAIL PROTECTED]
> Subject: Re: IP Spoofing
>
>
> No-op. Port number is not generally applicable to ICMP. It's
> a different protocol (same level as IP which also has no
> concept of port
> number either). Port numbers apply to TCP and UDP which are
> a layer above.
> I say generally because ICMP PORT_UNREACHABLE does have the concept of
> a port, but that's a payload issue.
>
So, since it's a layer 4 thing (tcp and udp), what does ICMP
PORT_UNREACHABLE use, tcp or udp?
And btw, what's the port number of this traffic?
>
> > I didn't get your last paragraph. :-(
>
> In other words, discarding any other ICMP type and subtype is
> advantageous (a win) to you. Throw anything else away.
> Sorry for being
> obtuse in my language. :-)
No problem, I love learning new figure of speech. :-)
Thanks.
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