Most of the larger content providers and other service providers do support 
SSO. Smaller content or service providers, not so often. Since you're in the 
U.S., check the list of participants in the InCommon Federation, which is the 
federation for higher education in the U.S.:

We've had increasing difficulty keeping proxy server configurations working as 
time goes on, web applications become more complex, and browsers become more 
strict in various ways.

We're not ready to get rid of the proxy server yet, there's a combination of 
non-Shibboleth vendors and campus culture to consider, but I look forward to 
that day!


Tod Olson <<>>
Systems Librarian
Interim Director for Integrated Library Systems
University of Chicago Library

On Aug 9, 2017, at 2:44 PM, Pennington, Buddy D. 
<<>> wrote:

Do vendors even directly support SSO? We use SSO to enable users to 
authenticate into EZProxy for IP-based access to our electronic resources. I 
didn't think cutting out EZProxy and just going with SSO was an option.

Buddy Pennington
Director of Information Technology and Strategy
University of Missouri--Kansas City
Miller Nichols Library
800 East 51st St.
Kansas City, MO 64110-2499<>
UMKC Libraries

-----Original Message-----
From: Code for Libraries [mailto:CODE4LIB@LISTS.CLIR.ORG] On Behalf Of Jimmy 
Sent: Wednesday, August 09, 2017 2:36 PM
Subject: Re: [CODE4LIB] Wanted: Good overview article comparing new 
authentication/access control options (Shibboleth, OpenAthens, SAML, etc.)?

I'll second Bethany's point on many smaller vendors just now moving to IP 
authentication. If it consoles campus IT tell them they are has 
been at least 10 years since I have been hearing that proxy servers are a thing 
of the past, but that the working normal across most libraries is IP/proxy 



Jimmy Ghaphery
Associate University Librarian for Scholarly Communications and Publishing VCU 
ORCID: 0000-0001-8043-7701 <>

On Wed, Aug 9, 2017 at 3:26 PM, Goodwin, Bethany <> wrote:

I'd be interested in hearing any feedback as well. Some of my vendors
are smaller and we're lucky to have IP authentication with ezproxy.


Bethany Goodwin
Electronic Resources Librarian
Rolfing Memorial Library | Trinity International University
2065 Half Day Road, Deerfield, IL 60015 |

On Wed, Aug 9, 2017 at 2:18 PM, Cynthia Harper <> wrote:

Hi - Can anyone provide some good documents on current trends in
alternatives to proxy servers?   My campus is looking into Single Sign-On
for the first time, and the campus technical people believe that
proxy servers are a thing of the past, but I don't know whether all
of our vendors will be able to support an alternative method.

Thanks for your help.

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