Is it possible to use a CAPTCHA with the continue/response URL/Application block pages?
If you're referring to native functionality of implementing a CAPTCHA for response pages, this is not a built-in feature of the Palo Alto at this time.
The Palo Alto does allow you to import custom Response Pages (Device Tab->Response Pages) though this would be more of a cosmetic customization.
For the functionality you are inquiring about, we would suggest submitting a feature request through your SE.
Thanks very much,
Thanks Bryan. I have officially requested this capability through our SE. However I am wondering if a cloud based HTML CAPTCHA form via http://www.captcha.net/ might work on the custom reponse pages? Has anyone tried this?
Using reCAPTCHA I have been able to customize the Continue/Override Response Page to display the CAPTCHA image. However in order to process/submit the event requires server side scripting. It is possible to execute PHP or another server side web development languange through the internal Palo Alto web server? If not, then I would like to officially submit a feature request to be able to support server side scripting for response page/web server processing, or just providing native CAPTCHA support for BOTNET protection within the response pages.
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