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Can we put our CGI programs(scripts) to any directory
to make it run? Obviously the answer is "no". Before you write
your own CGI programs, you'd better make sure whether you have
permission to execute CGI scripts. Otherwise you are just wasting your time.
Most often we see people place their CGI program in server's cgi-bin directory.
When you want to use your own CGI programs, you must
first ask the web master to put your CGI programs in the cgi-bin directory.
But this is not the only way.
Usually, the web server controls access to directories or files through Access Configuration file.
Different server have different way to implement it. For example, for Apache webserver and NCSA httpd server,
there are two methods for controlling access to directories:
- Global Access Configuration File
A document in server's conf directory, by default is access.conf,
which controls access to any directory in your tree. For example, we can give
the cgi-bin directory permission to execuate CGI program, of course we can give other directory the same permission
in server's home directory. But this is not recommended for security reason. This is why cgi-bin is the most common way.
This can be only defined by the web master or system administrater.
- Per-directory Access Configuration File
The default file is .htaccess, which control access to directory and its sub-directory.
This can be define by the common user. But this can be restricted or completely forbidden by
the Global ACF.
So Now we can see that there's two ways to place your CGI programs:
But anyway, before start writting your own CGI program, come to see your web master first!
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