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Andrew Schulman
Asked: 2020-11-07 12:09:19 +0800 CST

What does SetHandler "proxy:unix:..." do?

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What does the Apache "proxy:unix:..." handler do, and where is it documented? I see it used here and there, like:

SetHandler "proxy:unix:..."

For example in this recent question, or in the SetHandler and mod_fcgi documentation.

I can guess that it might pipe to a Unix socket, but what about the syntax in the mod_fcgi example? Where's the documentation?

unix proxy apache-2.4

2 Answers

  1. Best Answer

    I finally found the answer in the docs for ProxyPass:

    In 2.4.7 and later, support for using a Unix Domain Socket is available by using a target which prepends unix:/path/lis.sock|. For example, to proxy HTTP and target the UDS at /home/www.socket, you would use unix:/home/www.socket|http://localhost/whatever/.

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  2. This is the sethandler directive documentation:

    This describes the use of Apache's handlers

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