varnish: varnish (a state of the art web application accelerator) varnish: varnish: Varnish Cache is a web application accelerator also known as a caching varnish: HTTP reverse proxy. You install it in front of any server that speaks varnish: HTTP and configure it to cache the contents. varnish: varnish: Varnish is free software licensed under a two-clause BSD licence, also varnish: known as the FreeBSD licence. The project was initiated in 2005. varnish: varnish: Homepage: https://www.varnish-cache.org/ varnish: