ivory: my sincerest apologies for contradicting you, but I would recommend someone NOT use this online course.
  1. Does not explain taint checking until chapter 16 (and then has subtle errors in her regex and her "manpage" lister won't list all manpages). Taint checking also appears to be the extent of her security knowledge.
  2. Her "taint checking" example also has a glaring security hole. If the form value doesn't pass her taint checking, she prints it back out to the browser. That would allow a hacker could allow a hacker to exploit cross-site scripting vulnerabilites with JavaScript and to do redirects to other sites.
  3. She doesn't use the -w switch, strict, or CGI.pm. Leaving any of those three off is going to cause the Web developer to waste a lot of time debugging things that they'd catch instantly with those three.
Cheers,
Ovid

In reply to (Ovid) RE(2): getting a cgi script working by Ovid
in thread getting a cgi script working by mhorvat42

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