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captcha validation stops working

Thread began 5/23/2012 9:21 am by john70964 | Last modified 5/25/2012 4:42 am by john70964 | 903 views | 6 replies |

john70964

captcha validation stops working

I have created a fairly standard CSS Formbuilder file using Dreamweaver UE.

At first this form worked correctly but suddenly maybe after changing the captcha selection to refresh the captcha image I now cannot get the captcha text entered accepted.

Message is: Entered text does not match; please try again

This is the third time this has happened today.

I removed the Question validation method to try to make sure it was a captcha problem

I attach the zipped file and wonder if the error can be spotted.

Thank you

John

Attached Files
contactus.zip
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john70964

I noticed the error concerning spry is coming up when this page is reopened.

Maybe this is what is causing the problem.

I can see the files under Results but cannot see how they can be removed/deleted.

I tried clear results but they still come back when the file is reopened.

Perhaps these need removing in the code?

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john70964

Just a bit more.
I deleted the javascript spry code from the page and when I open the page I no longer get the warning. However the captcha will still not allow the page to proceed.

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Jason ByrnesWebAssist

the code that creates the captcha image:

php:
<img id="capt1"  src="webassist/captcha/wavt_captchasecurityimages.php?width=200&height=50&field=Security_Code_1&bgcolor=FFFFFF&transparent=0&bgimage=&gridfreq=20&gridcolor=000000&gridorder=behind&noisefreq=20&noisecolor=000000&noiseorder=behind&characters=5&charheight=&font=fonts/MOM_T___.TTF&textcolor=000000" alt="security code" width="200" height="50" />




also sets the name of the captcha session variable. this code passes a url variable named "field":
field=Security_Code_1

the value of the field variable is used in the captcha session variable name:
captcha_<field value>

so the name of the captcha session being created is:

captcha_Security_Code_1


In the server validation behavior, you are using the "captcha_Security_Code" session variable instead, you will need to edit the server validation and set the like entry validation to use the captcha_Security_Code_1 session variable.

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john70964

Thanks Jason explanation, that is most helpful.

It is strange after I read your advice I changed the WA validations, tested and all was OK.

I then decided to make a few changes to the form with html editor and discovered the form would not send the email.

I then found the "like" entry in WAvalidations had changed to an email field. This happened two or three times.

Image attached

btw what is the function of the hidden field?

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Jason ByrnesWebAssist

the validation you have highlighted is the regular expession validation, not the like entry validation.


the regular expression validation makes sure that the hidden element is empty. It is a technique called Honey Pots validation. If an automated script where filling in your form, it would expect all fields to require a value and add a value to the hidden field. The regular expression validation prevents this.

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john70964

Yes sorry the wrong validation was highlighted in the image.

I dont really understand what is being said about the honey pots validation give me time....

I was more interested in why the "like" value seem to change into the "email" value after some form changing.

Its not so important now as I will know what to look for in the future if this happens again.

Many thanks for the explanations

John

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