Trouble passing URL as form value

[TCovert]

I am getting a 403 forbidden error when trying to pass a full url as a field value as part of a post form, sending data to a php script. Any ideas why this is happening? If I remove the "http://" from the field, it works fine.

Thanks in advance.

[dagon]

cant think why this is happening, but urlencode() should solve it, i could see it being an issue with get, but not post.

[bradgrafelman]

Sounds like something to do with mod_security or something similar.