[AusNOG] DNS Flag Day - 1st February
marka at isc.org
Thu Jan 24 14:42:47 EST 2019
This basically means recursive server will no longer work around:
* Old Windows DNS servers as the don’t return FORMERR to *all* EDNS queries.
* Firewalls that block EDNS or EDNS with a DNS COOKIE option queries.
> On 24 Jan 2019, at 2:12 pm, Philip Loenneker <Philip.Loenneker at tasmanet.com.au> wrote:
> Hi all,
> I saw this mentioned on NANOG (thanks Brian Kantor) and hadn’t seen it anywhere else so thought I would raise it here for anyone else who may not be aware.
> Quoting https://dnsflagday.net/
> The current DNS is unnecessarily slow and suffers from inability
> to deploy new features. To remediate these problems, vendors of
> DNS software and also big public DNS providers are going to
> remove certain workarounds on February 1st, 2019.
> You can get more information and check your domain for any DNS issues that may be impacted by this change from the dnsflagday.netsite.
> Philip Loenneker | Network Engineer | TasmaNet
> AusNOG mailing list
> AusNOG at lists.ausnog.net
Mark Andrews, ISC
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