软件包：libapache2-mod-xsendfile（0.12-2） [debports]

Serve large static files efficiently from web applications

This package provides the xsendfile module for the Apache 2 webserver. xsendfile is a small Apache2 module that processes X-SENDFILE header sent by the original output handler.

If it encounters the presence of such header it will discard all output and send the file specified by that header instead using Apache internals including all optimizations like caching-headers and sendfile or mmap if configured.

It is useful for processing script-output of e.g. php, perl or any cgi.

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