# OpenAM Administration Guide
Chapter 12. Managing SAML 2.0 Federation

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## 12.5. Configuring Circles of Trust

Once you have set up a circle of trust, you can configure it through the OpenAM console under Federation > Circle of Trust > `Circle of Trust Name`.

Name

  String to refer to the circle of trust.

Description

  Short description of the circle of trust.

IDFF Writer Service URL

  Liberty Identity Federation Framework service that writes identity provider entity identifiers to Common Domain cookies after successful authentication, used in identity provider discovery. Example: `http://www.disco.example:8080/openam/idffwriter`.

IDFF Reader Service URL

  Liberty Identity Federation Framework service that reads identity provider entity identifiers from Common Domain cookies, used in identity provider discovery. Example: `http://www.disco.example:8080/openam/transfer`.

SAML2 Writer Service URL

  SAML 2.0 service that writes identity provider entity identifiers to Common Domain cookies after successful authentication, used in identity provider discovery. Example: `http://www.disco.example:8080/openam/saml2writer`.

SAML2 Reader Service URL

  SAML 2.0 service that reads identity provider entity identifiers from Common Domain cookies, used in identity provider discovery. Example: `http://www.disco.example:8080/openam/saml2reader`.

Status

  Whether this circle of trust is operational.

Realm

  Name of the realm participating in this circle of trust.

Entity Providers

  Known hosted and remote identity and service providers participating in this circle of trust.