Part and parcel of community security, be it in a company LAN or school university, is the installation of a firewall or web content material filter. Problem: A Web request from the ISA Server laptop to a useful resource on the Internal community fails with Error 12209: ISA Server denies the specified Uniform Resources Locator. ISA Server has a Web chaining rule configured, to direct site visitors upstream to the second Web Proxy utility on an alternative port (for example, port 8082). In some circumstances, making use of NAT to site visitors passing through the Web Proxy filter could trigger unexpected outcomes. The HTTP Filter in Forefront TMG is rule particular except the Maximum Header size setting. With this setting in place, ISA Server intercepts requests from SecureNAT and Firewall purchasers, and passes them to the Web Proxy filter for transparent dealing with. Cause: ISA Server intercepts the VPN client … Read More