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How to enable CGI execution in Apache server?
Explicitly using Options to permit CGI execution. You could explicitly use the Options directive, inside your main server configuration file, to specify that CGI execution was permitted in a particular directory: Options +ExecCGI .
Can a CGI program be run from arbitrary directories?
However, if the proper security precautions are taken, there is no reason why CGI programs cannot be run from arbitrary directories. For example, you may wish to let users have web content in their home directories with the UserDir directive.
Where do I find the content type declaration in Apache?
The first line tells Apache (or whatever shell you happen to be running under) that this program can be executed by feeding the file to the interpreter found at the location /usr/bin/perl . The second line prints the content-type declaration we talked about, followed by two carriage-return newline pairs.
What happens when I try to access CGI from the web?
There are four basic things that you may see in your browser when you try to access your CGI program from the web: Great! That means everything worked fine. If the output is correct, but the browser is not processing it correctly, make sure you have the correct Content-Type set in your CGI program.
Why is my browser not processing my CGI file?
If the output is correct, but the browser is not processing it correctly, make sure you have the correct Content-Type set in your CGI program. That means that you have not properly configured Apache to process your CGI program. Reread the section on configuring Apache and try to find what you missed.
Can a CGI program be executed in a user directory?
To allow CGI program execution for any file ending in .cgi in users’ directories, you can use the following configuration. If you wish designate a cgi-bin subdirectory of a user’s directory where everything will be treated as a CGI program, you can use the following.
What should the output of a CGI program look like?
First, all output from your CGI program must be preceded by a MIME-type header. This is HTTP header that tells the client what sort of content it is receiving. Most of the time, this will look like: Secondly, your output needs to be in HTML, or some other format that a browser will be able to display.