What is ServerAlias Apache?

How does Apache virtual host work?

Apache automatically discriminates on the basis of the HTTP Host header supplied by the client whenever the most specific match for an IP address and port combination is listed in multiple virtual hosts. The ServerName directive may appear anywhere within the definition of a server.

What is name base virtual host?

Name-based virtual hosting uses the host name presented by the client. This saves IP addresses and the associated administrative overhead but the protocol being served must supply the host name at an appropriate point. In particular, there are significant difficulties using name-based virtual hosting with SSL/TLS.

What is Domain Name Apache?

Apache can take a domain name and use it to access a local website in any given directory using Virtual Hosts. The IP address doesn’t matter, and you can have any number of virtual hosts using the same IP address; it’s the name that matters, not the address.

Where is Apache virtual host?

By default on Ubuntu systems, Apache Virtual Hosts configuration files are stored in /etc/apache2/sites-available directory and can be enabled by creating symbolic links to the /etc/apache2/sites-enabled directory.

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What is the difference between name-based and IP-based virtual hosting?

IP-based virtual hosts use the IP address of the connection to determine the correct virtual host to serve. … With name-based virtual hosting, the server relies on the client to report the hostname as part of the HTTP headers. Using this technique, many different hosts can share the same IP address.

What is the purpose of virtual host?

Virtual hosting is a method for hosting multiple domain names (with separate handling of each name) on a single server (or pool of servers). This allows one server to share its resources, such as memory and processor cycles, without requiring all services provided to use the same host name.

What are the types of virtual hosts in Apache?

There are two primary forms of virtual hosts: IP-based virtual hosts, where each virtual host has its own unique IP address; and name-based virtual hosts, where more than one virtual host runs on the same IP address but with different names.

How do I make my Apache server secure?

Apache Security – 10 Tips for a Secure Installation

  1. Disable the server-info Directive. …
  2. Disable the server-status Directive. …
  3. Disable the ServerSignature Directive. …
  4. Set the ServerTokens Directive to Prod. …
  5. Disable Directory Listing. …
  6. Enable Only the Required Modules. …
  7. Use An Appropriate User and Group. …
  8. Restrict Unwanted Services.

How do you set up a name based virtual host?

How to Set Up Name-Based Virtual Hosting (Vhosts) With Apache Web Server on CentOS 7

  1. Introduction.
  2. Requirements.
  3. Create the directory structure.
  4. Create test web pages for each virtual host.
  5. Set up ownership and permissions.
  6. Create virtual host configuration files.
  7. Test the virtual hosts.
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How does a virtual host work?

The concept of virtual hosts allows more than one Web site on one system or Web server. The servers are differentiated by their host name. Visitors to the Web site are routed by host name or IP address to the correct virtual host. Virtual hosting allows companies sharing one server to each have their own domain names.

Can a server have two hostnames?

5 Answers. If you want the servers srv and srv-new to point to the same physical machine, you can do this with DNS by just adding another A record in your DNS server. If you wanted to set up two GUIDs for it, that’s not possible.