Search results Search for: Search Refine your results by duration: Any Under 5 mins Under 20 mins Over 20 mins Sort by: Relevance Views Date Built-in VCL (Varnish Configuration Language) - Two Minute Tech Breakdowns Thijs Feryn, Technical Evangelist, Varnish Software The built-in VCL is the VCL code that is executed by default even if you don't write any VCL yourself. 5 months ago | 4 mins