Keep-Alive


by Danila Vershinin, March 20, 2016

Let’s talk about importance of Keep-Alive in HTTP and how you can enable it in Nginx, Apache and Varnish

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Varnish Command-Line Utilities. Tips and Tricks


by Danila Vershinin, February 27, 2016

SSH commands for Varnish 4: log incoming requests to website, backend and many more

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Solved: Varnish 4 “Internal Server Error 500”


by Danila Vershinin,

Why Varnish returns “Internal Server Error 500” Once you done writing your VCL for Varnish 4, you may not be aware that it silently fails with 500 Internal Server Error for some requests. Most likely, the reason is client workspace overflow. When you run varnishlog and watch for requests, you will see: “LostHeader” and “workspace_client […]

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