On Tue, 2012-03-06 at 08:23 +1100, Mark Andrews wrote: > In message <[email protected]>, hugo hugoo writes: > > > > Dear all, > > > > Can anyone help me with its experience on reverse dns for IPV6? > > Presently, when we reverse an IPV4 subnet for clients, we configure all= > > the reverse for the whole subnet. > > It is a lot of PTR's but perfectly manageable. > > > > With IPV6, the number of IP's that we will receive is amazing.... > > So...it seems impossible for every single IPV6 inthe range to configure a P= > > TR. > > > > So...what to do? > > What is the common practice? > > What is possible with BIND? > > > > Thanks in advance for your answer. > > Let the machines register their own PTR record using TCP as the authenticator. > > update-poliy { > grant . tcp-self * PTR; > }; >
Thats dangerous 14m1337.u.suck.hax0r.org - yeah, it would be highly abused and why most ISP's don't do/allow it :) But for a small company that has trustworthy staff, maybe, but then mail servers will start rejecting some of them trying to send directly because theres likely no matching A record. > Mark
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