Security

SAPI (Server API)

A SAPI is the layer that connects the PHP interpreter to what feeds it requests, such as mod_php, PHP-FPM, CGI or the command line. Each SAPI handles request startup and shutdown differently.

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mod_php vs PHP-FPM: Which PHP Setup Is Riskier?

mod_php vs PHP-FPM: how each runs PHP, why mod_php was the highest-risk setup for PHP2Shell, and when to move your sites to isolated FPM pools.

intermediate 4 min read

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