Using The Google reCaptcha we can't solve this problem, cause we have intranet users without Internet connection. The problem of coding your own captcha basing on the sense that any captcha, non Google recaptha, is unsafe. You may be know any algorytms of generating capcha in a page. Please help me code the my own recaptcha. Could you get me an algorithm of inserting capthca in html, supposing that algorythm of generating image I will code by myself.
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1You have bots in your intranet? – Michael Foukarakis Feb 01 '16 at 07:17
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The application has both users: internet users and intranet users, from internet can be attack of bruteforce of password. The way of resolving this problem is ban ip of "bad" users or using of captcha, but the blocked ip can be owned two or more users. The best solution is a using of Google captcha, but not for intranet users. – HailToTheVictor Feb 01 '16 at 16:51
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Add the captcha's encrypted value to User's database at the user info. This captcha is the most secure way of resolving the top problem. But you, going this way, have given an information about the user's logins, but now you can use them as the live ID's in internet and intranet.
HailToTheVictor
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