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Virtual Hosting: Based Virtual Hosting
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For Name Based Virtual Hosting you only need your primary IP address used for your Qube 2. You will define the domain names that will reference this IP address in the httpd configuration file.
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Usually, there are two methods of accomplishing virtual hosting. The first one is name-based and the other one is IP-based. Name-based virtual hosts actually use multiple host names for the same web-server IP address. With browsers that support HTTP, upon connecting to a web-server, the browser sends the address that the client typed into the browser’s URL bar. The server is able to use this information to determine which website/page to show to the client. In the latter (IP address based), each site points to a unique IP address and the web server is configured with multiple physical network interfaces which can ... obtain the address the TPC connection was aimed for using a standard API.
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[One] issue with virtual hosting is the inability to host multiple secure websites running Secure Sockets Layer or SSL. Because the SSL handshake takes place before the expected hostname is sent to the server, the server doesn't know which certificate to present when the connection is made. One workaround is to run multiple web server programs, each listening to a different incoming port, which still allows the system to just use a single IP address. If running multiple web server programs is considered clumsy, a more efficient solution is to select TLS (TLS 1.1 or later, which enables name-based virtual hosting as of December 2006). Another option is to do IP aliasing, where a single computer listens on more than one IP address.
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Name-based web hosting is a technique that can be used when providing virtual web hosting services. Each web site that is hosted on a single machine shares a single public IP address. All HTTP GET requests received by this web server are answered according to the domain name supplied by the requesting client, enabling the web server to differentiate between multiple virtual sites on the one IP address.
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In IP-based virtual hosting, each site (either a DNS hostname or a group of DNS hostnames that act the same) points to a unique IP address. The webserver is configured with multiple physical network interfaces, virtual network interfaces on the same physical interface or multiple IP addresses on one interface.
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In December 2007, Workscape launched Workscape Virtual Hosting. By configuring and packaging its award-winning enterprise products in a controlled environment and deploying an appliance-based solution in either Workscape's global data centers or behind a client's firewall, this virtual methodology creates a ground-breaking new offering from Workscape specifically intended for clients whose IT policies require that applications to be hosted inside their own networks.
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