The stupidity of trying to "fix" DHCPv6
joelja at bogus.com
Fri Jun 10 21:42:23 UTC 2011
On Jun 10, 2011, at 11:18 AM, Valdis.Kletnieks at vt.edu wrote:
> On Fri, 10 Jun 2011 12:54:17 CDT, Jima said:
>> If we go down this path, how long before we hear screaming about rogue
>> DHCPv6 servers giving v4-only networks a false v6 path?
> Already happened. Good way to install an MITM against any v6-enabled boxes
> on a v4-only network, been multiple reported uses of that technique.
What's more v4 seem rather less likely to have any countermeasures or methods for detecting this... Back when I worked for a security vendor our endpoint security product specifically disabled ipv6 to address this exposure.
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