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The Shibboleth System is a standards based, open source software package for web single sign-on across or within organizational boundaries. It allows sites to make informed authorization decisions for individual access of protected online resources in a privacy-preserving manner.
Authentication on the NGS is provided by the SARoNGS service, whilst authorisation at the resource is provided by Permis
For further information on the NGS software stack, please refer to the NGS Site Level Services reference document.