{"action":"opened","issue":{"url":"https://api.github.com/repos/Jasig/cas/issues/1140","labels_url":"https://api.github.com/repos/Jasig/cas/issues/1140/labels{/name}","comments_url":"https://api.github.com/repos/Jasig/cas/issues/1140/comments","events_url":"https://api.github.com/repos/Jasig/cas/issues/1140/events","html_url":"https://github.com/Jasig/cas/issues/1140","id":105962679,"number":1140,"title":"The proxy service how to configure the server????","user":{"login":"MetSystem","id":7943054,"avatar_url":"https://avatars.githubusercontent.com/u/7943054?v=3","gravatar_id":"","url":"https://api.github.com/users/MetSystem","html_url":"https://github.com/MetSystem","followers_url":"https://api.github.com/users/MetSystem/followers","following_url":"https://api.github.com/users/MetSystem/following{/other_user}","gists_url":"https://api.github.com/users/MetSystem/gists{/gist_id}","starred_url":"https://api.github.com/users/MetSystem/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MetSystem/subscriptions","organizations_url":"https://api.github.com/users/MetSystem/orgs","repos_url":"https://api.github.com/users/MetSystem/repos","events_url":"https://api.github.com/users/MetSystem/events{/privacy}","received_events_url":"https://api.github.com/users/MetSystem/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-11T08:04:24Z","updated_at":"2015-09-11T08:04:24Z","closed_at":null,"body":"I, according to the cas protocol custom single sign-on access to the site WebA, WebA repositioned to cas certification, verification after a successful return to WebA, WebA request cas by address \r\n http://www.cas.com/serviceValidate?Ticket=ST-956-Lyg0BdLkgdrBO9W17bXS&service=http://WebA&pgtUrl=http://WebA/pgtCallback to obtain PGT\r\n, cas back to http://WebA/pgtCallback, I can't get at http://WebA/pgtCallback\r\n```cs\r\nString pgtIou = Request. The QueryString [\" pgtIou \"];\r\nString pgtId = Request. The QueryString [\" pgtId \"];\r\n```\r\nCas didn't give me pgtIou pgtId\r\n\r\n```xml\r\n<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>\r\n\t<cas:authenticationFailure code='INVALID_PROXY_CALLBACK'>\r\n\t\tThe supplied proxy callback url &#039;http://localhost:21593/MyWebSite/ProxyService.aspx&#039; could not be authenticated.\r\n\t</cas:authenticationFailure>\r\n</cas:serviceResponse>\r\n```\r\n\r\nIf the cas server to configure this, this configuration is added to the where?\r\n```xml\r\n<property name=\"attributeReleasePolicy\">\r\n    <bean class=\"org.jasig.cas.services.ReturnAllowedAttributeReleasePolicy\"\r\n            p:authorizedToReleaseProxyGrantingTicket=\"true\" />\r\n</property>\r\n```\r\nfrom http://jasig.github.io/cas/4.1.x/installation/Configuring-Proxy-Authentication.html#cas20proxyhandler"}}