---
title: Set PCI flag to disable persistent cache storage
summary: PCI-compliant caching requires caching only in volatile storage, which you can enable with beresp.pci in VCL.
url: https://www.fastly.com/documentation/solutions/examples/set-pci-flag-to-disable-persistent-cache-storage
---

PCI-compliant caching requires caching only in volatile storage, which you can enable with beresp.pci in VCL.

## VCL

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/9179cfa4)

## Compute

### Rust

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/a33b4ccf)

### Javascript

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/ab804f18)

### Go

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/42a8a2ae)