Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Scaricare il pdf (Pagina 199)

Chapter 15. Apache 199

15.5.1. The Secure Web Server Virtual Host

The default conﬁguration of your Web server runs a non-secure and a secure server. Both servers use

the same IP address and host name, but they listen on different ports, and the secure server is a virtual

host. This conﬁguration enables you to serve both secure and non-secure documents in an manner.

Setting up the secure HTTP transmission is very resource intensive, so generally you will be able to

serve far fewer pages per second with a secure server. You need to consider this when you decide what

information to include on the secure server and the non-secure server.

The conﬁguration directives for your secure server are contained within virtual host tags in the

httpd.conf ﬁle. If you need to change anything about the conﬁguration of your secure server, you

will need to change the conﬁguration directives inside virtual host tags.

The non-secure Web server is conﬁgured as the "non-virtual" host in the httpd.conf ﬁle. If you want

to change something about your non-secure Web server, you will need to change the conﬁguration

directives outside of the virtual host tags.

By default, both the secure and the non-secure Web servers share the same DocumentRoot. To change

the DocumentRoot so that it is no longer shared by both the secure server and the non-secure server,

change one of the DocumentRoot directives. The DocumentRoot outside the virtual host tags deﬁnes

the DocumentRoot for your non-secure Web server. The DocumentRoot within the virtual host tags

that deﬁne your secure server is for your secure server.

The secure Apache server listens on port 443, while your non-secure Web server listens on port 80.

To stop the non-secure Web server from accepting connections ﬁnd the line which reads:

Port 80

And change it to read:

Port 443

Then comment out the Listen 80 line.

15.5.2. Setting Up Virtual Hosts

To create a virtual host, you will need to alter the virtual host lines, provided as an example in

httpd.conf or create your own virtual host section.

The virtual host example lines read as follows:

VirtualHost ip.address.of.host.some_domain.com

# ServerAdmin [email protected]_domain.com

# DocumentRoot /www/docs/host.some_domain.com

# ServerName host.some_domain.com

# ErrorLog logs/host.some_domain.com-error_log

# CustomLog logs/host.some_domain.com-access_log common

/VirtualHost

Uncomment all of the lines, and add the correct information for the virtual host.

In the ﬁrst line, change ip.address.of.host.some_domain.com to your server’s IP address.

Change the ServerName to a valid DNS name to use for the virtual host.

You will also need to uncomment one of the NameVirtualHost lines below:

#NameVirtualHost 12.34.56.78:80

#NameVirtualHost 12.34.56.78

Next change the IP address to the IP address and port, if necessary, for the virtual host.

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Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Pagina 199

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