On Thu, Apr 26, 2012 at 3:59 PM, mirrys.net <mirrys....@gmail.com> wrote:
> Thank you for your help Marco & Simon. No doubt, your code is much
> cleaner and better.
> One more question, without any filter or something could be my
> original code somehow compromised (mean some security bug)? Or rather
> was a major problem in the possibility of a script crash?

Hi, Mirrys

I personally can not see a security-hole at the first view ...
Stuff in the global server-variable should only be set by the
webserver and therefore it should be kind-of save (depending on the
quality of the configuration of the webserver ;))

That was also the main reason why I would do a validation-check for this.
Talking about a script-crash ... I don't know ... I just found this
line in a comment for the function gethostbyaddress()

> If you use gethostbyaddr() with a bad IP address then it will send an error 
> message to the error log.


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