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Admin Tools

#30381 406 Not Acceptable

Posted in ‘Admin Tools for Joomla! 4 & 5’
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Environment Information

Joomla! version
n/a
PHP version
n/a
Admin Tools version
n/a

Latest post by on Saturday, 17 November 2018 17:17 CST

Pas-pv
Hello,

Got a strange error after server update:
'406 Not Acceptable
An appropriate representation of the requested resource /administrator/index.php could not be found on this server.'


This is only when open & save articles, or create an article.

Can't find any clear info online.

Is is possible to find any issues with admintools ?

Thanks in advance,

Pascal

tampe125
Akeeba Staff
Hello,

Let's make sure that the problem is indeed caused by Admin Tools. In order to do so, try the following:

1. Try setting the Error Reporting level in your Global Configuration to "None". Many errors are caused by harmless PHP Notices and Warnings being output to the browser, breaking anything which requires HTTP header manipulation such as Joomla!'s session management, AJAX calls and download systems.

2. Try to replicate the issue after disabling the "System - Admin Tools" plugin. If you can still replicate the issue, it is not caused by Admin Tools. Disabling that plugin means that Admin Tools code (including the Web Application Firewall) is not running on your site.

3. If you suspect an issue with the .htaccess file, replace its contents with the contents of the stock htaccess.txt file shipped with every version of Joomla!. If you are on GoDaddy please wait for 1-30 minutes for the changes to be effective. Then, retry loading the problem page. If you can still reproduce the error, then it is not caused by .htaccess Maker.

If doing any of the above resulted in the issue still occurring, it's not related with Admin Tools and we can't help you. If doing any of the above did stop the issue from occurring, we'll have to do some troubleshooting.

First go to Admin Tools, Web Application Firewall, Configure WAF. Make sure "Log security exceptions" is set to Yes; if it's not, set it to Yes and click on Save. Now try reproducing your issue. Immediately after that, please go to Admin Tools, Web Application Firewall, Security Exceptions Log. The latest log entry at the top should have the date and time of when the issue occurred. Please copy the Reason and Target URL here so that we can further help you.

If, however, you do not see a log entry, or the Date and/or IP address do not match your last access, this problem is not caused by Admin Tools' WAF. In this case, you will have to do some .htaccess troubleshooting. You may need to read the general .htaccess troubleshooting page, as well as the page on finding out necessary .htaccess exceptions.

Davide Tampellini

Developer and Support Staff

๐Ÿ‡ฎ๐Ÿ‡นItalian: native ๐Ÿ‡ฌ๐Ÿ‡งEnglish: good โ€ข ๐Ÿ• My time zone is Europe / Rome (UTC +1)
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

Pas-pv
Hello Davide,

Sorry I explained this wrong.
It's not a problem caused by admintools.
I don't know what's causing this so I thought maybe with admintools I can do some checks to figure out what's causing this error.
My hosting thinks it's related to a OWASP rule ? But I don't understand what that is...

Thanks and regards,

Pascal

tampe125
Akeeba Staff
This means they added some kind of security rules that is triggered by the normal use of Joomla.
I think you should contact your host and report the problem, since there's nothing we (you and I) can do.

Davide Tampellini

Developer and Support Staff

๐Ÿ‡ฎ๐Ÿ‡นItalian: native ๐Ÿ‡ฌ๐Ÿ‡งEnglish: good โ€ข ๐Ÿ• My time zone is Europe / Rome (UTC +1)
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

Pas-pv
Hi Davide,
Thank you for your reply.
I will contact them again.

Regards,
Pascal

System Task
system
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