Subject: Re: [PATCH v2] add stealth mode

From: Clemens Ladisch <[email-masked]>
Date: Tue, 07 Jul 2015 09:01:23 +0200

[email-masked] wrote:
> On Thu, 02 Jul 2015 10:56:01 +0200, Matteo Croce said:
>> Add option to disable any reply not related to a listening socket
>
> 2) You *do* realize that this isn't anywhere near sufficient in order
> to actually make your machine "invisible", right?  (Hint: What *other*
> packets can be sent to a machine to provoke a response?)

Even worse: if you want to pretend that the entire machine is "not there",
you must make the router in front on you reply with an ICMP "destination
unreachable" message.

Regards,
Clemens