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From: "Ming-Ching Tiew" <mingching.tiew@redtone.com>
To: netfilter@lists.netfilter.org
Subject: Re: DNAT for two external NIC
Date: Tue, 5 Sep 2006 10:29:42 +0800	[thread overview]
Message-ID: <01d101c6d093$2713d960$0100a8c0@newlife> (raw)


From: "Ming-Ching Tiew" <mingching.tiew@redtone.com>
> 
> I did not go through your post carefully enough to know what you are talking
> about. But my question was why do we have to turn off reverse filter path
> checking to get multipath routing to work ? The original idea of reverse
> filter path checking is to improve security by doing reverse path checking,
> ie by checking the source IP address of all packets coming in via an interface 
> against the networks known to be behind that interface, the firewall/router 
> can simply drop packets that aren't supposed to come from there. In the
> multipath routing case, the packets are INDEED supposed to be from the
> interface where it is coming from, why they are dropped ?
> 

Perhaps this is what this patch is all about ?

                     http://www.ssi.bg/~ja/#rp_filter_mask

I have noticed that Julian Anastasov's patch has existed long long time ago
but it is never included into the standard kernel. I really wonder why. 

Cheers.






             reply	other threads:[~2006-09-05  2:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-05  2:29 Ming-Ching Tiew [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-09-01  6:32 DNAT for two external NIC Ming-Ching Tiew
2006-09-01  8:35 ` longraider
2006-09-01  9:32   ` Ming-Ching Tiew
2006-09-01  1:01 Mikhail
2006-08-29 21:42 Mikhail
2006-08-29 22:00 ` Pascal Hambourg
2006-08-30  7:15 ` Florent Guiliani

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