Custom VCL
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These articles describe how to create your own VCL files with specialized configurations.
In normal operation, a request directed to a Fastly POP will be handled by two separate cache servers acting together in a process we call…
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Fastly’s Edge Cloud services use the Fastly Varnish Configuration Language (VCL), a scripting language used to configure and add logic to…
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If a fatal error occurs in your service while processing your VCL logic, Fastly will generate an error response with a 503 HTTP status…
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Fastly allows you create your own Varnish Configuration Language (VCL) files with specialized configurations. By uploading custom VCL files…
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Fastly VCL is a domain specific programming language which has evolved from the Varnish proxy cache , which is part of Fastly's platform…
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Best practices in Fastly VCL have changed over time to help address expectation gaps and improve maintainability. This page covers some of…
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Fastly VCL uses a subset of Perl Compatible Regular Expression (PCRE) syntax. This is case sensitive and forward slashes don't need to be…
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