Apache Module mod_proxy_fdpass

This module requires the service of

. It provides support for the passing the socket of the client to another process.mod_proxy

uses the ability of AF_UNIX domain sockets to pass an open file descriptor to allow another process to finish handling a request.

The module has a proxyfdpassflusher

provider interface, which allows another module to optionally send the response headers, or even the start of the response body. The default flush provider disables keep-alive, and sends the response headers, letting the external process just send a response body.

At this time the only data passed to the external process is the client socket. To receive a client socket, call recvfrom with an allocated struct cmsghdr. Future versions of this module may include more data after the client socket, but this is not implemented at this time.

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Apache HTTP Server Version 2.4