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A Gentle Introduction to
Perl Programming

 
progzoo.net - is it safe?
No. Of course it is not safe to allow anyone in the world to execute their programs on my server.
a few precautions to defend the server
Requests to compile and execute are queued.
Code is executed in a chroot sandbox.
CPU time is limited, elapsed time is limited, output is limited.
There are memory limits on the Apache processes.
what are your known vulnerabilities?
It would be easy to launch a denial of service attack.