From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: prmarino1@gmail.com, Robert Sander <r.sander@heinlein-support.de>,
netfilter@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: Configure ICMP error source address
Date: Fri, 8 Jan 2016 17:11:43 +0100 [thread overview]
Message-ID: <568FDFBF.3010300@stressinduktion.org> (raw)
In-Reply-To: <20160108152448.5251154.50977.21786@gmail.com>
On 08.01.2016 16:24, prmarino1@gmail.com wrote:
> Don't put a public address on a lo device use a dummy eth interface instead. Any IP address and it's subnet assigned to a lo device is marked as a marcian address and the traffic is dropped if it tries to leave the lo device.
O_o
> I know that there is som old documentation out there (for example quagga's documentation) that says you can do it but it's been wrong since the 2.4 version off the kernel.
> Linux treats the lo device differently that what routers call a loopback device. The dummy driver is the linux equivalent of what routers call a loopback device.
What you write seems odd to me, we don't treat lo devices differently to
dummy devices in respect if you bind a public ip address on it.
Bye,
Hannes
next prev parent reply other threads:[~2016-01-08 16:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 9:31 Configure ICMP error source address Robert Sander
2016-01-08 15:24 ` prmarino1
2016-01-08 16:11 ` Hannes Frederic Sowa [this message]
2016-01-09 3:57 ` prmarino1
2016-01-09 9:57 ` Hannes Frederic Sowa
2016-01-09 16:41 ` Robert Sander
2016-01-09 22:55 ` Pascal Hambourg
2016-01-09 23:01 ` Hannes Frederic Sowa
2016-01-10 19:12 ` Robert Sander
2016-01-08 16:21 ` Hannes Frederic Sowa
2016-02-15 9:13 ` Robert Sander
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