"Am I looking at passwords?"
Yes, and if your recordings include any music that's still in copyright you are also looking at copyright licenses. That applies to CDs for distribution or website downloads.
Making recordings available via a website isn't difficult, but if they are of any length, and the number of downloads more than a few the bandwidth issues can be considerable. Your deal with your web-host may mean that you could end up with some hefty bandwidth charges, so check that first.
If you decide to go ahead come back to your thread for specific advice on the technicalities involved.