Fastly VCL
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These articles describe Fastly VCL.
Fastly VCL is a domain-specific programming language that evolved from the Varnish proxy cache , forming a core part of Fastly's…
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Fastly allows you create your own Varnish Configuration Language (VCL) files with specialized configurations. By uploading custom VCL…
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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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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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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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