Download Manager that can DL from secure websites?

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http://androidforums.com – Nexus 7, Jelly Bean: Issue: I'd like to download large files from a http service that I pay for (Easynews). Dolphin/Chrome will let me download the files just fine, but speeds are quite low and I'd like to find a Download Manager app that uses multiple connections for faster speeds. There are quite a few free download manager apps, and I have just tried them all. Trouble is none of them seem to be able to download files from secure websites -- no field to enter a user/pass -- so the download just fails. Is there a download manager than can download files from secure websites? (General)