Thanks a lot! El jue., 24 ene. 2019 a las 16:24, Evan Hunt (<e...@isc.org>) escribió:
> On Thu, Jan 24, 2019 at 10:53:49AM -0300, Roberto Carna wrote: > > Dear, I've just worked around on my public BIND DNS's in order to solve > the > > problem of DNS Flag Day. > > > > But I have a pair of private DNS (BIND and Windows) that respond to > > internal queries and also forward non authoritative queries to my public > > DNS's....may my private DNS's become unstables after DNS Flag Day if I > > don't any workaround on them ? > > DNS flag day is when vendors of recursive name servers will stop releasing > new software that coddles ancient or broken authoritative servers and > firewalls. Instead of trying over and over in different ways to coax some > broken remote system to send back an answer, new resolver software will > just declare the remote server to be broken, and give up. > > Nothing will stop working suddenly on February 1. However, the next time > you upgrade your recursive name server to the latest version, you *might* > have problems then. My guess is that you won't, but I can't guarantee it. > > If you do have some legacy server running internally that can't be fixed to > support EDNS properly, you can still configure your resolvers not to use > EDNS when talking to that specific server. That option will still be > available after flag day. > > An easy way to check would be to install the latest BIND development > release (version 9.13.5) and see if it works. It already has all the flag > day changes in it. > > -- > Evan Hunt -- e...@isc.org > Internet Systems Consortium, Inc. >
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