I haven’t changed anything. This used to work. Now I get an error on my blogs. Below is one example:
I tried to access your site, but received the following message:
It may also be what’s blocking communications between your site and the Spellchecker service on WordPress.com.
Could you try again once your site is publicly accessible?
What IP address are you using?
What IP address is the Spellchecker service using?
I’ll check if these are blocked.
I have now tried removing all entries in my htaccess and it still don’t work.
My site should be accessible for all except east-european and chinese hackers/spammers. I have removed all entries in my htaccess and I still have the same problem with the Spellchecker.
I haven’t heard any complants from my visitors either. So I guess that they can see my site without any problems. I can see my site from 3 different IP addresses. Jetpack Monitor isn’t complaining either.
Jeremy told me that he still had issues connecting to your site from his computer, but the connection appears to be ok from the WordPress.com servers. However, we still have an issue when trying to post xml to your xmlrpc.php file. DO you have any security plugins or other htaccess rules that may be blocking something?
My security plugin is Wordfence.
If I deactivate it, I still have problem with the Spellchecker.
I have also deactivated all of my plugins and the problem is still there.
Is there any changes in WordPress 3.8.1 that can have caused this?
I’ve asked the Jetpack developers to take a look at this, as there is now another thread with the same issue:
I posted this on my other thread, but I thought I’d post this here too.
The problem for me was my web server. The 404 error code was being generated by an actual 406 error code. 406 error codes are usually generated by mod_security, a module that exists on many web servers server-software (apache). This module filters all post requests and other things according to a set of rules. So, as soon as I’d post something to the wp-admin directory that wasn’t whitelisted it would fail. But it wasn’t a 404, but a 406. I determined this by temporarily disabling my index.php file and cUrling the server for an unadulterated result (the index.php page wasn’t able to handle the 404).
For some people the solution is to put a mod_security exception into an .htaccess file either at the top directory, or the wp-admin directory. I tried that, in several forms, but it either didn’t work, or gave me a 500 internal server error. Unfortunately this is not really the best option anyway as it can expose your website to troublesome atack-traffic.
Finall the solution for me was to contact my hosting company through a ticket aboud their mod_security set up. Since they were interested in keeping my business they modified the mod_security rules to allow this type of traffic (I don’t know the details) and now my proofreading post to wp-admin/admin-ajax.php?action=proxy_atd&url=/checkDocument works beautifully across my whole server.
Hope this helps the next guy, I spent all day on this.
Thanks so much for the detailed answer, Asher! I’m glad you were able to find it; too bad it took you a whole day to do so. 🙁
BeRKA, could you check with your host, point them to this thread and Asher’s detailed response, and see if they can help you? Let me know what they tell you.
Yes, it was mod_security for me as well. The problem is fixed now.
Thank You Asher!
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