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# FastCGI or mod_php - Amazon Marketplace Plus

Some hosting providers use **FastCGI**, others use **mod_php**.  
PrestaShop officially recommends **mod_php**, which is what our modules are built and tested for.

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## Why you’re seeing this

You’ve been redirected here because your hosting uses **FastCGI**.

Our modules:

* Are designed to run on **mod_php**
* Provide diagnostics and support **only** for environments based on mod_php
* Are **not compatible or supported** on FastCGI-based hosting

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## Common problems with FastCGI

Some PHP settings (from `php.ini`) are **overridden** under FastCGI.  
For example:

* `FcgidBusyTimeout` (default: 300) takes priority over `max_execution_time`
* This often causes **script interruptions** and **AJAX errors**

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## What you should do

If you're using FastCGI, please pass the following information to your technical provider:

* FastCGI configuration reference:  
  [https://httpd.apache.org/mod_fcgid/mod/mod_fcgid.html](https://httpd.apache.org/mod_fcgid/mod/mod_fcgid.html)

* Our PHP limitations and recommendations:  
  [https://doc.common-services.com/en/article/php-limitations-amazon-marketplace-plus-4rzanf/](https://doc.common-services.com/en/article/php-limitations-amazon-marketplace-plus-4rzanf/)

📝 Note: The FastCGI parameters are quite old (2013), so you may need to **increase values** based on your use case.

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## No support for FastCGI environments

We do **not provide technical support** for issues related to FastCGI hosting.

If you experience problems in such environments, we **strongly recommend switching to mod_php** to ensure compatibility and receive full support.