Apache HTTP Server Version 2.4

Apache > HTTP Server > Documentation > Version 2.4 > Programs

# suexec - Switch user before executing external programs

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`suexec` is used by the Apache HTTP Server to switch to another user before executing CGI programs. In order to achieve this, it must run as `root`. Since the HTTP daemon normally doesn't run as `root`, the `suexec` executable needs the setuid bit set and must be owned by `root`. It should never be writable for any other person than `root`.

For further information about the concepts and the security model of suexec please refer to the suexec documentation (http://httpd.apache.org/docs/2.4/suexec.html).

## Synopsis ¶

`suexec -V`

## Options ¶

`-V`
  If you are `root`, this option displays the compile options of `suexec`. For security reasons all configuration options are changeable only at compile time.

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