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3
votes
1answer
229 views

How to achieve seamless SSO without having the user to login again (SAML 2.0 & ADFS using OpenSSO)

We need to implement seamless SSO with ADFS SAML 2.0 using OpenSSO & we plan to go with IdP initiated GET binding. The user in client network will log in to ADFS with Windows credentials once ...
6
votes
1answer
588 views

What are the security concerns with turning off Extended protection for authentication in IIS7 on ADFS?

In setting up SSO for Office 365, in order to make Chrome and Firefox access services on the Intranet, Extended Protection for Authentication must be disabled on the ADFS sever. As the ADFS server is ...
7
votes
4answers
2k views

How do the STS token formats compare to each other SAML vs SWT vs JWT?

I'm configuring an Azure ACS STS and would like to know if there is any impact on security based on the following token formats or how they are used. The answers to this questions should apply to ...
4
votes
2answers
1k views

How do Azure ACS 2.0 security features compare to ADFS 2.0?

I'm configuring my relying party (a website) to use either ADFS or Azure ACS 2.0. ADFS 2.0 has some interesting features such as Token Replay prevention (in the SQL version) and may have other SAML ...
1
vote
1answer
251 views

What risk can untrusted WS-Federation metadata pose?

I'm adding support for SAML/ADFS/Azure ACS and read that untrusted metadata poses a risk. Considering that ADFS does background refreshes of the metadata, as do some RPs, can someone explain the ...
4
votes
1answer
437 views

How does the “Service Identity” feature of Azure ACS compare (and contrast) to a real IDP?

It appears that the ACS has IDP-style features within the "Service Identities" section. How does the ACS treat these in comparison to a real IDP? What is missing? Some examples I'm thinking of ...