# Failed authorization procedure Centos 6

**URL:** <https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367>\
**Category:** Help\
**Created:** [November 13, 2018, 10:22am UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367 "2018-11-13T10:22:00Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![jgt-josegeraldo](https://avatars.discourse-cdn.com/v4/letter/j/90ced4/32.png) [@jgt-josegeraldo](https://community.letsencrypt.org/u/jgt-josegeraldo)\
**Post date:** [November 13, 2018, 10:22am UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/1 "2018-11-13T10:22:00Z")

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Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. [https://crt.sh/?q=example.com](https://crt.sh/?q=example.com)), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is: processoseletivo.unidom.com.br

I ran this command: ./letsencrypt-auto --apache -d processoseletivo.unidom.com.br

It produced this output: Failed authorization procedure. processoseletivo.unidom.com.br (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from [http://processoseletivo.unidom.com.br/.well-known/acme-challenge/EVsq4pWX\_RpR6ZjKJfSYWlQH24Ly0V9zFw1UVFTU-6Q:](http://processoseletivo.unidom.com.br/.well-known/acme-challenge/EVsq4pWX_RpR6ZjKJfSYWlQH24Ly0V9zFw1UVFTU-6Q:) “\<!DOCTYPE HTML PUBLIC “-//IETF//DTD HTML  
2.0//EN”\>\n\<html\>\<head\>\n\<title\>404 Not  
Found\</title\>\n\</head\>\<body\>\n\<h1\>Not Found\</h1\>\n\<p”

My web server is (include version): apache Apache/2.2.15

The operating system my web server runs on is (include version): Centos 6.8

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know): yes

I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no

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**Author:** ![stevenzhu](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/stevenzhu/32/18864_2.png) [@stevenzhu](https://community.letsencrypt.org/u/stevenzhu)\
**Post date:** [November 13, 2018, 3:47pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/2 "2018-11-13T15:47:41Z")

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Hi,

I see that a certificate is issued today (US-EST)…

Did you managed to resolve the issue?

Thank you

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<div class="post-metadata">

**Author:** ![jgt-josegeraldo](https://avatars.discourse-cdn.com/v4/letter/j/90ced4/32.png) [@jgt-josegeraldo](https://community.letsencrypt.org/u/jgt-josegeraldo)\
**Post date:** [November 14, 2018, 12:03pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/3 "2018-11-14T12:03:36Z")

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Hi,  
Unfortunately I could not solve the problem,  
but since I could not be without the certificate, I and co-workers look for other ways to generate it.

We are now using [https://www.sslforfree.com](https://www.sslforfree.com) to generate the certificates until we solve the problem

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<div class="post-metadata">

**Author:** ![stevenzhu](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/stevenzhu/32/18864_2.png) [@stevenzhu](https://community.letsencrypt.org/u/stevenzhu)\
**Post date:** [November 14, 2018, 5:34pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/4 "2018-11-14T17:34:08Z")

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Hi,

Could you please try to place a file at `http://processoseletivo.unidom.com.br/.well-known/acme-challenge/test` and see if you could see it in the browser?

Thank you

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<div class="post-metadata">

**Author:** ![jgt-josegeraldo](https://avatars.discourse-cdn.com/v4/letter/j/90ced4/32.png) [@jgt-josegeraldo](https://community.letsencrypt.org/u/jgt-josegeraldo)\
**Post date:** [November 14, 2018, 9:32pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/5 "2018-11-14T21:32:43Z")

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hi  
you can try to access: [https://processoseletivo.unidom.com.br/.well-known/acme-challenge/test](https://processoseletivo.unidom.com.br/.well-known/acme-challenge/test)  
Sorry for the delay to answer you

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<div class="post-metadata">

**Author:** ![JuergenAuer](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/juergenauer/32/26491_2.png) [@JuergenAuer](https://community.letsencrypt.org/u/JuergenAuer)\
**Post date:** [November 14, 2018, 10:32pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/6 "2018-11-14T22:32:30Z")

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Hi @jgt-josegeraldo

> [@jgt-josegeraldo](#):
>
> you can try to access: [https://processoseletivo.unidom.com.br/.well-known/acme-challenge/test](https://processoseletivo.unidom.com.br/.well-known/acme-challenge/test)

your file works. So you know your correct webroot. Perhaps try to use this information.

```nohighlight
./letsencrypt-auto -a webroot -i apache -w yourWebroot -d processoseletivo.unidom.com.br -d www.processoseletivo.unidom.com.br

```

I've added the www version because you have a dns-entry.

| • [http://processoseletivo.unidom.com.br/](http://processoseletivo.unidom.com.br/) | 302 | [https://processoseletivo.unidom.com.br/](https://processoseletivo.unidom.com.br/) | 2.103 | A |
| --- | --- | --- | --- | --- |
| | | | | |
| • [http://www.processoseletivo.unidom.com.br/](http://www.processoseletivo.unidom.com.br/) | 302 | [https://www.processoseletivo.unidom.com.br/](https://www.processoseletivo.unidom.com.br/) | 0.470 | A |
| | | | | |
| • [https://processoseletivo.unidom.com.br/](https://processoseletivo.unidom.com.br/) | 200 | | 0.717 | B |
| | | | | |
| • [https://www.processoseletivo.unidom.com.br/](https://www.processoseletivo.unidom.com.br/) | 200 | | 0.723 | N |
| Certificate error: RemoteCertificateNameMismatch | | | | |

[https://check-your-website.server-daten.de/?q=processoseletivo.unidom.com.br](https://check-your-website.server-daten.de/?q=processoseletivo.unidom.com.br)

But your certificate has only one name, so there is a certificate error.

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<div class="post-metadata">

**Author:** ![jgt-josegeraldo](https://avatars.discourse-cdn.com/v4/letter/j/90ced4/32.png) [@jgt-josegeraldo](https://community.letsencrypt.org/u/jgt-josegeraldo)\
**Post date:** [November 14, 2018, 10:52pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/7 "2018-11-14T22:52:08Z")

</div>

thank you very much  
it worked out

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<div class="post-metadata">

**Author:** ![system](https://global.discourse-cdn.com/letsencrypt/original/3X/c/a/ca6c06ea1ea201324bba7048c6841ce60236468d.png) [@system](https://community.letsencrypt.org/u/system)\
**Post date:** [December 14, 2018, 10:52pm UTC](https://community.letsencrypt.org/t/failed-authorization-procedure-centos-6/77367/8 "2018-12-14T22:52:13Z")

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