15 Problem Solving168 Xerox WorkCentre 7132 System Administration GuideWhen you cannot connect to a web serverRestrictionsThis section explains the restrictions that apply while using internet or intranetconnections.Internet/Intranet connectionsConnection to the internet or an intranet depends on various settings, including thedestination web server, the used server application, proxy server, and firewall types.When connecting to the internet or an intranet using server application software, proxy,or firewall supplied by another company, the following conditions are required.• Windows 2000, Windows XP, Windows Server 2003 operating system• Conformance with the following conditions– RFC2616: Hypertext Transfer Protocol HTTP/1.1(Normal connections, SSL connections, Proxy authentication)– RFC2617: HTTP Authentication: Basic and Digest Access Authentication(Basic authentication support only, others are not supported)– RFC2817: Upgrading to TLS Within HTTP/1.1– RFC2818: HTTP Over TLS• HTTP/HTTPS scheme compatibility• GET/CONNECT/HOST method compatibilityA certificate is not registeredfor using the iFlow service.The iFlow service cannot be used without certificateauthentication. Obtain a certificate for the desired machineand register the certificate on the machine.Problem ActionProblem ActionThe settings are not for usingthe proxy server.In a proxy environment, the web server cannot be connectedwithout the proxy server settings. Enter the settings for usingthe proxy server.The settings are for using aproxy server in a non-proxyenvironment.For environments where connecting via a proxy is notrequired, such as connecting to an intranet, the settingsshould not be set for using a proxy server.The proxy server address isnot set correctly.When setting up a proxy server, the web server cannot beconnected if the proxy server address is not set correctly.Enter the correct proxy server address.The user name and/orpassword are enteredincorrectly when proxy serverauthentication is set.Register the user name and password on the machine togrant connection access to the proxy server.