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From Jerry Malcolm <>
Subject Re: [users@httpd] Re: acme-challenge folder exists but 404 contents
Date Tue, 25 Dec 2018 17:07:40 GMT

On 12/25/2018 9:14 AM, Jonesy wrote:
> On Tue, 25 Dec 2018 00:49:41 -0600, Jerry Malcolm wrote:
>> --------------5C1A8A0DD708D3B6F6BE8489
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>> Update... I finally went back to my Sept conf and vhosts files. With the
>> old configuration files, acme-challenge folder became available again.
>> So I was able to get my certs refreshed, and I then restored the current
>> conf files.  That at least tells me it's something in the conf files.
>> But I really don't want to make this my official process every three
>> months when I refresh the certs. I guess I'll start with an A-B
>> comparison of the conf files.  But the only real significant change I
>> can remember in the last three months was enabling http 2.0.  Doesn't
>> seem to me that anything in that area of config would be locking out
>> folders with certain names (??).  In any case, I can brute-force this
>> and back out changes one by one.  But if any of you have a hint as to
>> what could be happening causing one specifically-named folder to be
>> blocked (or a way to dig deeper into logs to figure it out), it'll save
>> me a lot of time and effort.
>> Thanks.
>> Jerry
>> On 12/24/2018 11:18 PM, Jerry Malcolm wrote:
>>> I have an apache install that has been up and running for months.  I
>>> use LetEncrypt for certificates.  I went to renew all of my
>>> certificates using an automated script that worked fine 3 months ago
>>> on the last refresh.  It failed on every domain saying the challenge
>>> file was not found.  I put a test.html file in
>>> /.well-known/acme-challenge folder, and tried to access it with a
>>> browser, and it gave me a 404.  After moving the test.html file around
>>> into other folders, it was found correctly in every folder except
>>> acme-challenge.  I even renamed acme-challenge to acme-challenge1 and
>>> acme1challenge, and test.html was found in folders by those names.
>>> Renamed it back to acme-challenge and I'm again getting 404.  I have
>>> about 15 virtual hosts defined.  Exact same situation in every virtual
>>> host  The folder specifically named "acme-challenge" is somehow now
>>> being blocked or hidden by apache.
>>> I'm using WAMP 3.1.3 (Apache 2.4.33).  The only .htaccess file in the
>>> entire wamp tree is in the php folder, and I'm not using php.  I'd say
>>> I haven't made any changes that would cause this problem since the
>>> last time I refreshed certificates.  But I guess I did 'something'.
>>> But I'm clueless.
>>> One thing I did notice.... In the browser, if I look for a
>>> non-existent file in any other folder, I get one 404 line saying the
>>> requested file was not found on the server.  Fine.  But when I look
>>> for that same non-existent file in the /.well-known/acme-challenge
>>> folder, I get that same line.  But I also get another line I haven't
>>> seen before that says:
>>> Additionally, a 404 Not Found error was encountered while trying to
>>> use an ErrorDocument to handle the request.
>>> So not only can't find the file, it can't find a file to tell me it
>>> can't find the file... (???). But this line ONLY appears when trying
>>> to get a file from that one specific directory named 'acme-challenge'.
>>> Help.... certs have expired....
>>> Thanks.
>>> Jerry
> Well, just from the data you've shown, your _only_ failing
> directory  (.../.well-known/acme-challenge/)  jumps out as the
> only example in your testing that has a hyphenated directory name.
> Maybe a red herring.....
> Jonesy
I had tried /.well-known/acme-challenge1, and it worked.  But even if it 
was a hyphen, assuming there is no .htaccess file, is there something in 
the configuration that would say to hide all directories with hyphens?

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