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Reflect
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Form validation? - 3/17/2006 13:11:34
I use hand created forms, not FP created forms.
What is a good validation via random image script I could plug into the form to stop SPAM. Page is ASP based if it matters.
Thank you,
Brian
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coreybryant
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RE: Form validation? - 3/17/2006 13:25:37
Do you have the ASP component CSImage on your server? My programmer built one using this and it has saved us.
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Corey R. Bryant
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Reflect
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RE: Form validation? - 3/18/2006 10:51:47
HiCorey,
Thank you for taking the time to help.
I unfortuneatley only run ASPImage. I believe, going from memory, that CS is cold fusion?
Thank you,
Brian
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coreybryant
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RE: Form validation? - 3/18/2006 10:56:40
Actually no - we run all those ASP components but we also run ChestySoft Chesty Soft components as well. We had better luck in some development with the csImageFile than ASPJPG.
If you want - I can send you the code that we use calling they csImageFile and see if you can get it to work with the other component?
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Corey R. Bryant
Merchant Accounts | Toll Free Numbers | Expression Web Blog
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Reflect
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RE: Form validation? - 3/20/2006 9:05:24
Sure, I'm game.
Anyone else?
Thank you,
Brian
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Reflect
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RE: Form validation? - 3/22/2006 9:11:30
Bump....
Anyone?
Take care,
Brian
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dpf
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RE: Form validation? - 3/22/2006 10:13:16
i would think it fairly simple in javascript ( i think..lol)
create a few images with letters and numbers, say 5
create an associative array (or two arrays), one for each image and one for the "correct answer.
you could use a random number generator to select which image to present and when the form is validated client side, if the correct number isnt entered, you "re-present" a new image.
make sense?
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Dan
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Kitka
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RE: Form validation? - 3/22/2006 15:27:20
These are a couple of free ones I've found, but not tried:
http://www.u229.no/stuff/Captcha/
http://www.motobit.com/util/captcha/
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Kitka
**It is impossible to make anything foolproof because fools are so ingenious.**
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coreybryant
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RE: Form validation? - 3/22/2006 17:44:45
Sorry Reflect - I missed this post. I actually remembered I uploaded it to Image Verification Contact Form - a client called me yesterday actually and said it worked great.
Hopefully you will have some luck with it as well.
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Corey R. Bryant
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Reflect
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RE: Form validation? - 3/23/2006 9:03:10
Rorey,
Thank you I will play this weekend to see if the two different server components work relativly the same.
Kitka,
The second link is out as my shared server does not run "office web components", shame that looked like a nice solution. The first link seems very "do able", I will have to look into that one this weekend also.
I found another one that runs $25 if you want the "promo link" removed. I found a few others but they relied on php which this site can not or again contained "promo klinks" that are easily removed but you know tha goes against my ethics.
Take care,
Brian
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coreybryant
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RE: Form validation? - 3/23/2006 12:11:58
BTW - I just realized after seeing that word - captcha did one Web Wiz CAPTCHA as well. The thing I did not like about hat one - it is difficult to read those letters / numbers. With the one I had them do - the characters are very easy to read. :) - Web Wiz actually does not use any components either.
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Corey R. Bryant
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Reflect
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RE: Form validation? - 3/23/2006 13:23:16
Yup, I noticed the same thing though...blurred images.
I read more, at lunch, about the solutuions Kitka pointed to and the one I liked used JS, css, and asp...no server components and no promo links either, nice.
Take care,
Brian
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Kitka
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RE: Form validation? - 3/23/2006 18:36:48
quote:
The thing I did not like about hat one - it is difficult to read those letters / numbers
I'm sure you could make your own or substitute other images that are not so blurred. It'd be strange if you were restricted to using only the images that they provide, mostly because it would reduce the security level of the method.
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Kitka
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Reflect
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RE: Form validation? - 4/1/2006 12:16:36
Hi,
Corey, I did end up going with Web Wiz. Too easy to setup and for $16 US I am licensed to remove all linkage to them. They have some nice little scripts/applications available also. nice site.
Kitika, it doesn't use images. My concern with using images is some "bots" are using OCR technology. I was checking out the "image file". It is an ASP page with Hex image values. I know nothing about this but in the next week I plan on looking into it. If it's not way over my head I plan on editing the line values to weed out the "fuzzy" ones.
Take care,
Brian
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coreybryant
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RE: Form validation? - 4/1/2006 16:54:43
Glad it worked out for you. I looked at that as well but decided that since our clients would need it, it would be easier for us to have our own script in the long run. So far we have not run into any problems with the bots / OCR - when we do, we can just update / change it, but I think it willl be awhile.
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Corey R. Bryant
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Reflect
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RE: Form validation? - 4/8/2006 13:54:20
Hi All,
Well I am working through removing hex images. I am 3/4 of the way through240 of them. I have around 18 that I will have to edit out so far.
I also added JS form validation to try to further remove rouge use of my email forms. I have it setup but I want to "better" validate the email field. How can I reject if the"email" field is not *@* ?
Here is an example of what I have. How could I modify the EXISTING code to do this?...
<script language=JavaScript>
<!--
function ValidateExample1() {
var FieldList = "";
if (Example1.Field1.value == ""){
FieldList = "Field1\n";
};
if (Example1.email.value == ""){
FieldList = FieldList + "email\n";
};
if (FieldList == ""){
Example1.submit();
} else { alert("We did not get all the information we need from you.\n\nPlease fill in the following field(s):\n\n" + FieldList);
};
}
//-->
</script>
form method="post" name="Example1">
Field1 : <input name="Field1" size="20" type="text">
<p>Email : <input name="email" size="20" type="text">
</p><p><input value="Submit" onclick="ValidateExample1();" type="button"></p>
Thank you,
Brian
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Kitka
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RE: Form validation? - 4/8/2006 18:27:57
Hi Brian,
This method works for me:
if (Example1.email.value.indexOf("@")==-1)
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Kitka
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Reflect
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RE: Form validation? - 4/10/2006 14:42:31
Thank you Kitka.
Take care,
Brian
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