[AusNOG] Microsoft Office365 CDN at Vocus appears to be corrupted

[Philip Loenneker]

For those following along, a quick update that Vocus, Akamai and Microsoft are all looking into this and hopefully it will be resolved in the coming days.

For anyone having issues like this in future, in this case it took someone at Vocus to take the lead on it because the CDN is on their network. I suspect that nobody else would have the right authorisation to request the upstream providers take action.

Regards,
Philip

-----Original Message-----
From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Matt Keen | OpSys
Sent: Thursday, 27 February 2020 2:52 PM
To: Pete Mundy <pete at fiberphone.co.nz>; ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Microsoft Office365 CDN at Vocus appears to be corrupted

Firefox will not consult or honour /etc/hosts (or the windows variant) Need to use the "network.trr.excluded-domains" option in about:config (or deployed preferences files)

https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.mozilla.org%2Fshow_bug.cgi%3Fid%3D1453207&data=02%7C01%7Cphilip.loenneker%40tasmanet.com.au%7Cf4f8dce001aa4135731608d7bb3891f1%7Cb53dc580ab7847208b30536f36d398ac%7C0%7C0%7C637183723971657735&sdata=f2LW9Zpgfvv8KGtbiwUV63jGm9az6mA1My53RXZcnw4%3D&reserved=0



Regards,
 Matt Keen

-----Original Message-----
From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Pete Mundy
Sent: Thursday, 27 February 2020 1:51 PM
To: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Microsoft Office365 CDN at Vocus appears to be corrupted



Understood, but when it's being enacted from _within the app_ then the app developer can do whatever the like, right?

Eg, is Firefox going to consult/honour /etc/hosts when they turn on DoH by default for US citizens in the comings weeks? ([1])

That's a genuine question - I don't know if they do or not (yes I should probably just test it rather than asking the list ;)
 
Pete

[1] https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fblog.mozilla.org%2Fblog%2F2020%2F02%2F25%2Ffirefox-continues-push-to-bring-dns-over-https-by-default-for-us-users%2F&data=02%7C01%7Cphilip.loenneker%40tasmanet.com.au%7Cf4f8dce001aa4135731608d7bb3891f1%7Cb53dc580ab7847208b30536f36d398ac%7C0%7C0%7C637183723971657735&sdata=NRc1lJF%2BcznaUtn97X%2B1ybSqpbdX6%2FAF%2B6qIPpSVQF4%3D&reserved=0

> On 27/02/2020, at 1:19 PM, Mark Andrews <marka at isc.org> wrote:
> 
> DOH isn’t supposed to override /etc/hosts or NIS.
> 
>> On 27 Feb 2020, at 07:07, Pete Mundy <pete at fiberphone.co.nz> wrote:
>> 
>> 
>> Oh man, I'm going to miss doing this when DoH from inside the app 
>> takes over :(
>> 
>> 
>>> On 27/02/2020, at 8:52 AM, Tim Sheahan <tim at timsheahan.com> wrote:
>>> 
>>> As a work-around, it ought to work if you temporarily use the hosts 
>>> file to hand-specify the desired result
>> 
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> 
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742              INTERNET: marka at isc.org
> 

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