There is no IdP 2.3. My guess is the IdP is 1.3.
> authentication while returning the SAML response, It gives the following
> error message,
>
> opensaml::FatalProfileException at (https://sp-
> test.polito.it/securePEPS/Shibboleth.sso/SAML2/POST)
> 'Assertion contains an unacceptable AudienceRestriction.'
Your metadata at the IdP is inconsistent with your SP's configuration, the
entityID's don't match.
> my apache log shows the following message,
> [error] [client 127.0.0.1] File does not exist: /opt/shibboleth-
> sp2/share/doc/shibboleth, referer: https://sp-
> test.polito.it/securePEPS/Shibboleth.sso/SAML2/POST
That has nothing to do with it.
> I checked the file shibboleth in /opt/shibboleth-sp2/share/doc/ but It is
> shibboleth-2.3.1 how to solve this issue?
Fix your web server's alias to that directory?
-- Scott