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From: Matteo Croce <matteo@openwrt.org>
To: Clemens Ladisch <clemens@ladisch.de>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
	Nicolas Dichtel <nicolas.dichtel@6wind.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] add stealth mode
Date: Tue, 7 Jul 2015 17:24:07 +0200	[thread overview]
Message-ID: <CAFnufp292vwyoSJKK6smF55cFerxbCC_5pg_9NbRsvnRC7VH6A@mail.gmail.com> (raw)
In-Reply-To: <559B7943.3070807@ladisch.de>

2015-07-07 9:01 GMT+02:00 Clemens Ladisch <clemens@ladisch.de>:
> Valdis.Kletnieks@vt.edu 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.

You can't do sometimes, like in DSL lines where the router in front of
you is an ISP owned DSLAM

-- 
Matteo Croce
OpenWrt Developer

      reply	other threads:[~2015-07-07 15:24 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-02  8:56 [PATCH v2] add stealth mode Matteo Croce
2015-07-06 10:49 ` Valdis.Kletnieks
2015-07-06 19:44   ` Matteo Croce
2015-07-07  2:34     ` David Miller
2015-07-07  8:07     ` Hannes Frederic Sowa
2015-07-07 15:27       ` Matteo Croce
2015-07-08  8:02         ` Hannes Frederic Sowa
2015-07-08 13:32     ` Austin S Hemmelgarn
2015-07-12 23:13       ` Matteo Croce
2015-07-13 13:03         ` Austin S Hemmelgarn
2015-07-14 14:51           ` Matteo Croce
2015-07-07  7:01   ` Clemens Ladisch
2015-07-07 15:24     ` Matteo Croce [this message]

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