From: Stephen Hemminger <shemminger@vyatta.com>
To: Jesper Dangaard Brouer <hawk@diku.dk>
Cc: Patrick McHardy <kaber@trash.net>,
David Miller <davem@davemloft.net>,
netfilter-devel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] iptables: new strict host model match
Date: Mon, 2 Mar 2009 10:53:10 -0800 [thread overview]
Message-ID: <20090302105310.6c247f88@s6510> (raw)
In-Reply-To: <Pine.LNX.4.64.0903021427570.27363@ask.diku.dk>
On Mon, 2 Mar 2009 14:42:33 +0100 (CET)
Jesper Dangaard Brouer <hawk@diku.dk> wrote:
> On Thu, 26 Feb 2009, Stephen Hemminger wrote:
>
> > This is a simple little iptables match that can be used to create the Strong
> > End System model, that router and other non-Linux customers expect. There
> > are management and other applications that use ping and expect to only get
> > a response when the interface with that address is up. Normally, a Linux
> > system will respond to a packet that arrives for any of the system addresses
> > independent of which link it arrives on.
>
> Is this no almost the same as:
>
> echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
>
>
That doesn't work when system already has an ARP entry and link goes down.
next prev parent reply other threads:[~2009-03-02 18:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-27 1:52 [PATCH] iptables: new strict host model match Stephen Hemminger
2009-02-27 3:16 ` Jan Engelhardt
2009-02-27 3:23 ` Stephen Hemminger
2009-02-27 8:30 ` Jozsef Kadlecsik
2009-02-28 1:53 ` Jan Engelhardt
2009-02-28 2:10 ` Stephen Hemminger
2009-02-28 8:27 ` Jan Engelhardt
2009-03-02 11:02 ` Patrick McHardy
2009-03-02 13:42 ` Jesper Dangaard Brouer
2009-03-02 13:46 ` Denys Fedoryschenko
2009-03-02 18:53 ` Stephen Hemminger [this message]
2009-03-02 22:12 ` Patrick McHardy
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