ReCAPTCHA challenge image not displaying

[Jonathan Harris]

I am having an issue getting Recaptcha to work on one of my domains, I
have tried exactly same code on another domain of mine and it works
fine on that one.

The red theme html displays fine, just the actual challenge image is
missing from within its box.

Also if I then reload the page, I get the following error: Input
error: Invalid referer

I have tried generating new keys, however I have done this numerous
times now and it doesn't solve the issue.

Any help most appreciated.

thanks,
Jonathan

[PJH]

URL of the page where the reCAPTCHA is?

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[Jonathan Harris]

Sorry, that might help.

http://www.dw-electrician-northeast.co.uk/guestbook/index.php

thanks

[PJH]

Turning the CSS off reveals a "Input error: Invalid referer " error.

Check your keys.

[Jonathan Harris]

Yep, the keys are correct, and i have tried generating new ones a few

times now and it doesn't solve the issue.

[PJH]

Can you post your PHP code (use http://pastebin.com/ rather than
email.) Remove any private keys before posting.

[Jonathan Harris]

yep here you go.

http://pastebin.com/sUt2nYtP

On Jun 27, 11:14 am, PJH <pauljherr...@gmail.com> wrote:
> Can you post your PHP code (usehttp://pastebin.com/rather than

[PJH]

Not quite sure what's going on there.

Your public key of "6LfRhsUSAAAAAA2uleeK53ltD2rd37PnbdGGLBfW" seems to work ok:

http://www.google.com/recaptcha/api/challenge?k=6LfRhsUSAAAAAA2uleeK53ltD2rd37PnbdGGLBfW
returns the parameters I'd expect.

http://www.google.com/recaptcha/api/noscript?k=6LfRhsUSAAAAAA2uleeK53ltD2rd37PnbdGGLBfW
returns a no-script version.

The only other think I can think of for the moment is that you might
have extra spaces in line 58 inside the quotes:

$publickey = "6LfRhsUSAAAAAA2uleeK53ltD2rd37PnbdGGLBfW";

[Jonathan Harris]

Checked line 58 and it's fine.

What is frustrating is the problem seems to be related to this domain
only, I have tried this page on another account on my server under
another domain and after generating keys for that domain it works
fine.

On Jun 27, 11:50 am, PJH <pauljherr...@gmail.com> wrote:
> Not quite sure what's going on there.
>
> Your public key of "6LfRhsUSAAAAAA2uleeK53ltD2rd37PnbdGGLBfW" seems to work ok:
>

> http://www.google.com/recaptcha/api/challenge?k=6LfRhsUSAAAAAA2uleeK5...

> returns the parameters I'd expect.
>

> http://www.google.com/recaptcha/api/noscript?k=6LfRhsUSAAAAAA2uleeK53...

[How to do it yourself]

I got a similar issue on other web sites. And if the captcha shows it
always fails.

[PJH]

Have you tried generating "global" keys instead of site specific ones?

[Jonathan Harris]

I hadn't tried that and that seems to have solved the issue!

Thanks for your help.