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Re: [Xen-users] [SECURITY] preventing Hwaddr spoofing on bridge
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| Subject: | Re: [Xen-users] [SECURITY] preventing Hwaddr spoofing on bridge |
| From: | Andy Smith <andy@xxxxxxxxxxxxxx> |
| Date: | Sat, 24 Nov 2007 19:23:34 +0000 |
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On Fri, Nov 23, 2007 at 04:02:46AM +0100, Stefan de Konink wrote: > Is there a way to prevent hwaddr/mac address spoofing between DomU's? I use ebtables alone to do this. I have the list of MAC addresses and IP addresses for each domU in a database, and from that I build an ebtables ruleset. ARP replies from a MAC that does not correspond with its assigned IPs are dropped and logged. Cheers, Andy
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