The Varnish Book

The Varnish Book is really the comprehensive, nitty-gritty technical “bible” for all things Varnish Cache and Varnish Solutions.

Get familiar with Varnish VCL (Configuration Language), caching principles and become an expert in all things Varnish with this manual.

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Who we are

Varnish Software is the company behind Varnish Cache, a reverse proxy that powers 3.4 million websites worldwide.

Check out our solutions, which provide you with the tools to speed up your site performance, deliver video streaming or allow you to build your own content distribution network.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Please note that this material is for fair use only and it cannot be used for commercial Varnish related training offerings, commercial printing and selling of the book is also prohibited. For questions please contact

Creative Commons Attribution NonCommercial-ShareAlike 3.0 Unported License