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Re: [Tools-discuss] xml2rfc.ietf.org unavailable

Michael Richardson <mcr+ietf@sandelman.ca> Tue, 04 June 2019 14:46 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Henrik Levkowetz <henrik@levkowetz.com>
cc: Carsten Bormann <cabo@tzi.org>, tools-discuss@ietf.org
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References: <12561.1559579099@localhost> <F901F7B6-CB97-4D11-9F2B-A277B6BCA0A6@tzi.org> <8533.1559600065@localhost> <af011f1e-db7e-bee9-f423-d71fd681b8d3@levkowetz.com> <69282c96-64ac-157e-6f63-df3fbfc70225@levkowetz.com>
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Date: Tue, 04 Jun 2019 10:46:02 -0400
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Subject: Re: [Tools-discuss] xml2rfc.ietf.org unavailable
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Henrik Levkowetz <henrik@levkowetz.com> wrote:
    >> On 2019-06-04 00:14, Michael Richardson wrote:
    >>>
    >>> Carsten Bormann <cabo@tzi.org> wrote:
    >>> > Maybe I have said that before, but I seem to have better experiences
    >>> > with getting bibxml from xml2rfc.tools.ietf.org over xml2rfc.ietf.org.
    >>>
    >>> Oh. I was going to say that they are now aliases for each other, but they are
    >>> not.   xml2rfc.ietf.org is on cloudflare.
    >>
    >> Oh, bother!  _That_ must be the reason why the redirects fail regularly
    >> recently.  I'll have the secretariat change that.

    > Looking into this some more, I _don't_ find that xml2rfc.ietf.org is
    > served by cloudflare, as far as I can tell here:

    > $ host xml2rfc.ietf.org
    > xml2rfc.ietf.org is an alias for ietf.org.
    > ietf.org has address 4.31.198.44
    > ietf.org has IPv6 address 2001:1900:3001:11::2c
    > ietf.org mail is handled by 0 mail.ietf.org.

    > Compare that to www.ietf.org:

    > $ host www.ietf.org
    > www.ietf.org is an alias for www.ietf.org.cdn.cloudflare.net.
    > www.ietf.org.cdn.cloudflare.net has address 104.20.1.85
    > www.ietf.org.cdn.cloudflare.net has address 104.20.0.85
    > www.ietf.org.cdn.cloudflare.net has IPv6 address 2606:4700:10::6814:155
    > www.ietf.org.cdn.cloudflare.net has IPv6 address 2606:4700:10::6814:55

    > Could you provide more details on what makes you believe xml2rfc.ietf.org
    > is served by cloudflare?

ignorance!!!
I assumed that "ietf.org" was now always pointing at cloudflare, not
realizing that www.ief.org pointed at that longer name.

I also noticed that xml2rfc.tools.ietf.org and xml2rfc.ietf.org were not
pointing at the same IP, although I now notice they are on the same subnet,
so probably the same host.

Given that it's all relatively static content, is there a reason cloudflare
couldn't be invoked for the reference.* files?   I know that the online
xml2rfc utility is at xml2rfc.*, so I'd be happy to have another hostname
for the reference files.

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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