Specify Additional Authentication Data
When you define an external collection, you may need to specify additional authentication information, including the following details.
Form data, so that the content acquisition process can properly complete any html-based forms to supply information that the websites requires in order to access content.
Proxy server information, so that content acquisition can use an HTTP proxy server to access the content.
Cookie values, so that content acquisition can supply required cookies to maintain a session or state while accessing content.