== step 1 / no cookie ==
Not permit

== step 2 / login ==
HTTP/1.1 200 OK
Server: nginx/0.7.65
Date: Tue, 22 May 2012 23:09:14 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/5.2.13
Set-Cookie: url=http%3A%2F%2Fwww.aslibra.com

1

== step 3 / get it with cookie ==
thanks! your value is http://www.aslibra.com1