DNS Flag Day, Friday, Feb 1st, 2019

[marka at isc.org (Mark Andrews)]

Also as a lot of you use F5 servers here is information about DNS flag day
fixes.

https://support.f5.com/csp/article/K07808381?sf206085287=1

> On 24 Jan 2019, at 3:51 pm, Christopher Morrow <morrowc.lists at gmail.com> wrote:
> 
> 
> 
> On Wed, Jan 23, 2019 at 11:45 PM Mark Andrews <marka at isc.org> wrote:
> Well you can go to https://ednscomp.isc.org and click on "Test Your Servers Hereâ??
> which is what https://dnsflagday.net calls behind the scenes.  You will just need
> to interpret the results as they apply to DNS flag day.  If you donâ??t want to go
> there you can go to https://gitlab.isc.org and down load and compile the DNS
> compliance tester and then run â??genreport -i bind11 -eâ??. which is the actual test
> code being run.
> 
> 
> oh excellent, I'll do this version. thanks.
>  
> But hey you did do proper acceptance testing when you installed your DNS servers
> and firewalls to ensure that they implemented the DNS protocol correctly and they
> your firewalls donâ??t block well formed DNS queries (lots of them do by default).
> 
> 
> I did, yes.
>  
> Mark
> 
> > On 24 Jan 2019, at 3:35 pm, Christopher Morrow <morrowc.lists at gmail.com> wrote:
> > 
> > 
> > 
> > On Wed, Jan 23, 2019 at 7:11 PM Brian Kantor <Brian at ampr.org> wrote:
> > Quoting from the web site at https://dnsflagday.net/
> > 
> > 
> > huh, from the 'dns illuminati' eh"
> > 
> > DNS hosted by gandi.net? resolves to 3 /32's on 3 adjacent /24's.. in github's ip space, routed by fastly.com ...
> > I'm sure glad the  whois data for that domain is sensible too... :(
> >  
> > none of that particularly leaves me feeling like I should go put any data at all into the site.
> > 
> > -chris
> 
> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742              INTERNET: marka at isc.org
> 

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka at isc.org