Update the recommended VCL configuration
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@ -1,4 +1,5 @@
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# Recommended varnishncsa logging format: '%h %l %u %t "%m %{X-Forwarded-Proto}i://%{Host}i%U%q %H" %s %b "%{Referer}i" "%{User-agent}i"'
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# Please use Varnish 7.0+ for proper Range Requests / Chunked encoding support
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vcl 4.1;
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import std;
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@ -22,11 +23,6 @@ sub vcl_recv {
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set req.http.X-Forwarded-Proto = "https";
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}
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# CHUNKED SUPPORT
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if (req.http.Range ~ "bytes=") {
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set req.http.x-range = req.http.Range;
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}
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# Pipe if WebSockets request is coming through
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if (req.http.upgrade ~ "(?i)websocket") {
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return (pipe);
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@ -35,9 +31,9 @@ sub vcl_recv {
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# Allow purging of the cache
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if (req.method == "PURGE") {
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if (!client.ip ~ purge) {
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return(synth(405,"Not allowed."));
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return (synth(405,"Not allowed."));
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}
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return(purge);
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return (purge);
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}
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}
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@ -53,17 +49,11 @@ sub vcl_backend_response {
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return (retry);
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}
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# CHUNKED SUPPORT
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if (bereq.http.x-range ~ "bytes=" && beresp.status == 206) {
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set beresp.ttl = 10m;
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set beresp.http.CR = beresp.http.content-range;
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}
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# Bypass cache for large files
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# 50000000 ~ 50MB
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if (std.integer(beresp.http.content-length, 0) > 50000000) {
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set beresp.uncacheable = true;
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return(deliver);
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return (deliver);
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}
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# Don't cache objects that require authentication
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@ -94,7 +84,7 @@ sub vcl_synth {
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if (resp.status == 750) {
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set resp.status = 301;
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set resp.http.Location = req.http.x-redir;
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return(deliver);
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return (deliver);
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}
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}
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@ -106,25 +96,12 @@ sub vcl_pipe {
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}
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}
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sub vcl_hash {
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# CHUNKED SUPPORT
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if (req.http.x-range ~ "bytes=") {
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hash_data(req.http.x-range);
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unset req.http.Range;
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}
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}
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sub vcl_backend_fetch {
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# Be more lenient for slow servers on the fediverse
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if (bereq.url ~ "^/proxy/") {
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set bereq.first_byte_timeout = 300s;
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}
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# CHUNKED SUPPORT
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if (bereq.http.x-range) {
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set bereq.http.Range = bereq.http.x-range;
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}
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if (bereq.retries == 0) {
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# Clean up the X-Varnish-Backend-503 flag that is used internally
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# to mark broken backend responses that should be retried.
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@ -143,14 +120,6 @@ sub vcl_backend_fetch {
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}
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}
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sub vcl_deliver {
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# CHUNKED SUPPORT
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if (resp.http.CR) {
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set resp.http.Content-Range = resp.http.CR;
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unset resp.http.CR;
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}
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}
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sub vcl_backend_error {
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# Retry broken backend responses.
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set bereq.http.X-Varnish-Backend-503 = "1";
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