Glossary5-4Appendix5Proxy serverA server that provides a cache of files available on remote servers that are slow orexpensive to access. The term “proxy server” normally refers to a World Wide Webserver that, upon receiving a URL, tries to supply the requested file from its cache. Ifthe proxy server cannot locate the file in its cache, it obtains the file from the remoteserver, and saves a copy in its cache so that the next request can be obtained locally.RRARPReverse Address Resolution Protocol. A protocol which associates a network adapteraddress (MAC address) with an IP (Internet Protocol) address.Remote UIRemote User Interface. The Remote UI is software that enables you to performoperations, which are usually performed on the machine’s control panel, using a Webbrowser (such as Microsoft Internet Explorer or Safari) over a network.TTCP/IPTransmission Control Protocol/Internet Protocol. The protocol used to connect to theInternet or wide area networks.UURLUniform Resource Locator. A standard way of specifying the location of an object,usually a Web page on the Internet. The URL for a Web page would look somethinglike this: “http://www.w3.org/default.htm”. Here, “http:” indicates that a Web page isbeing accessed, “www.w3.org” is the address of the server containing the Web page,and “default.htm” is the file name under which the Web page is stored on the server.