ReCAPTCHA connection error


I'm getting hundreds of error of this kind:

Zend_Http_Client_Adapter_Exception: ReCAPTCHA connection error: Unable to Connect to tcp:// Error #110: Connection timed out - library/Zend/Http/Client/Adapter/Socket.php:235
Generated By: Unknown Account, Eilen 10:16

Although, the captcha is displayed properly in the front-end. I've also tried following command and it's responding well, a bit slow but working fine.

ping -p 80

Any clues, what could cause these to be logged in server error log?
Last edited:
Typically errors such as this are usually temporary and just indicate temporary connection issues.

If they persist, then it's likely network or server related and you should contact your host to troubleshoot it.
Just in case, if someone is looking for this issue:

In our case, It was that servers were trying to access internet via IPv6, which was not working and timeout happens after few minutes. Had to disable IPv6 on servers.
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