What is host header name?

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Introduced in HTTP 1.1, a host header is a third piece of information that you can use in addition to the IP address and port number to uniquely identify a Web domain or, as Microsoft calls it, an application server. For example, the host header name for the URL http://www.ideva.com is www.ideva.com.

What is a host header in IIS?

Host headers (also known as domain names) enable you to assign more than one Web site to an IP address on a Web server.

How do I add a host header?

Specify the Host Header in the text box….Set Host Headers for a Website

Click the Domains menu under the General section.
In the table view listing select the required website and click the Properties button.
Website properties page will be displayed.
Under the Domain Properties section, click the Host Headers tab.

What is SSL host header?

SSL Host Headers in IIS 7 allow you to use one SSL certificate for multiple IIS websites on the same IP address. Through the IIS Manager interface, IIS only allows you to bind one site on each IP address to port 443 using an SSL certificate.

Why is host header required?

HTTP 1.1 requests often include a Host: header, which contains the hostname from the client request. This is because a server may use a single IP address or interface to accept requests for multiple DNS hostnames. The Host: header identifies the server requested by the client.

Is HTTP host header mandatory?

If your question is “why specify the host in a Host header as opposed to on the Request-Line”, the answer is the need for interopability between HTTP/1.0 and 1.1. If the question is “why is the Host header mandatory”, this has to do with the desire to speed up the transition away from assigned IP addresses.

How do I use Host header in IIS?

Setting Up Host Headers in IIS 7 Using the Command Line Install the SSL Certificate to the site where you will use secure bindings. Next, open a command line by clicking Start > Run. Type cmd and click OK. Type cd C:\Windows\System32\Inetsrv\ to change the directory where you manage SSL host headers and click enter.

Why is Host header required?

Is HTTP host header required?

According to the RFC you linked here: “A client MUST include a Host header field in all HTTP/1.1 request messages”. So the Host header is mandatory.

How do I add https binding to iis7?

Open Internet Information Services (IIS) Manager.
In IIS Manager, under Connections, expand your server name, and then expand Sites.
Right-click on a website, and then click Edit Bindings.
In the Site Bindings window, select the https binding for this webiste, and then click Edit.

How do I configure host headers in IIS 7?

Host headers can be configured in IIS 7 by adding site bindings via IIS Manager or using the command line. How to set Host Headers via IIS Manager: Open IIS Manager. In the Connections pane, expand the Sites node in the tree, and then select the site for which you want to configure a host header. In the Actions panel, click Bindings.

How to find the name of a website in IIS?

You can find the name of website in IIS and host header in the IIS 7 Connections window under Sites. The host header value is the value that is assigned to the (e.g. digicert.com). You should see a response message in the command prompt that says “SITE object “your site” changed”.

How do I add a host header to a site?

In the Connections pane, expand the Sites node in the tree, and then select the site for which you want to configure a host header. In the Actions panel, click Bindings. In the Site Bindings dialog box, select the binding for which you want to add a host header and then click Edit Bindings. In the Site Bindings window, click Add.

How do I set up SSL host headers and site bindings?

Once you format the friendly name you can set up host headers and site bindings. If the friendly name doesn’t have a * character, you’ll have to use the command line to configure SSL host headers to use your SSL Certificate on multiple websites.