Having a web site that may contain source code posted by users, I am in need of a completely obligation free license, and a statement by which users agree code posted by them is allowed to be addressed under such license.
This is the most permissive I have found: http://creativecommons.org/licenses/by/3.0/
I am looking for one that is free of any conditions, not even attribution.
Can anyone direct me to such a license?
EDIT: The website will contain content contributed by others. My main concern is letting users agree the work they post is free for any use and that they are allowed to post it in such a way (e.g. they are not posting commercially protected code). Does the CC license above state that? Does this protect me from any kind of lawsuit?