What are CGI "wrappers"? Can they make CGI scripts safe?

Nothing can automatically make CGI scripts completely safe, but you can make them safer in some situations by placing them inside a CGI "wrapper" script. Wrappers may perform certain security checks on the script, change the ownership of the CGI process, or use the Unix chroot mechanism to place the script inside a restricted part of the file system.

There are a number of wrappers available for Unix systems as1.Cgiwrap  2. Sbox   3.suEXEC

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