With EZproxy, you can:
EZproxy is easy to set up and maintain. It connects to a wide variety of authentication services (including LDAP, SIP, CAS and Shibboleth). Your users connect to EZproxy, then it connects on their behalf to your library's licensed databases to obtain webpages and sends them back to your users. Once you register the EZproxy server address with your database vendor, the vendor sees the requests as coming from an authorized IP address and therefore permits access.