The vaddhost utility is an interactive, command-line program
that automates the process of configuring Virtual
Subhosts. After launching vaddhost, it will ask you
several questions about the configuration of your Virtual Subhost
and provide you with default responses. As you answer each question,
vaddhost will display the |
definition with each new piece of information.
Once you have responded to all questions, vaddhost will
create necessary directories, add the
entry to your main web server configuration file (~/www/conf/httpd.conf),
and create a backup of your old ~/www/conf/httpd.conf file
in your ~/www/conf directory. You can remove these backup
files at your discretion.
To use vaddhost, connect to your Virtual Private Servers
via Telnet or SSH
and do the following.
NOTE: If your Virtual Private Servers is running
Apache Web Server 1.3 then it is
necessary to add the following line to your web server configuration
Run the vaddhost command.
Virtual Host Name(s)
Virtual Host Names identify which domain names will be associated
with the Virtual Subhost definition that vaddhost will
add to your ~/www/conf/httpd.conf file. You may specify
one or more domain names with each Virtual Subhost definition.
Typically, Virtual Host Names will at the very least include
Virtual Host Admin E-Mail Address
The Host Admin E-mail Address identifies the e-mail address
of the person responsible for the Virtual Subhost web site.
If the e-mail address you specify will be a Virtual
Private Servers E-Mail User Account, you will need to
use the vadduser program to add the e-mail account separately.
For more information about Virtual Subhosts and e-mail, see
- Providing E-Mail for Virtual Subhosts
Virtual Host Document Root
The Virtual Host Document Root is the directory where the web
site content for the Virtual Subhost will be stored. The value
of the Document Root is defined with respect to your home directory,
so you need not preface your definition with
The default value for the Document Root directory is located
in your ~/usr/local/etc/httpd/vhosts directory. This
is to ensure compatibility with the latest version of Microsoft
Transfer and Error Log Files
You can (if you choose) specify separate transfer and error
log files for each Virtual Subhost. This is an optional feature.
If you do not wish to store separate log files for the Virtual
Subhost, the transfer and error log information will be stored
in the web server's master log files. If you do wish to store
separate transfer and error log files, vaddhost will
provide you with several options based on the input you provided
for the Virtual Subhost Document Root.
You can also (if you choose) configure a cgi-bin directory for
your Virtual Subhost. This is an optional feature. The
directive defines where CGI scripts are stored for the Virtual
NOTE: It is important to understand the Virtual
Subhosting Security Issues involved when giving
cgi-bin access to your Virtual Subhost customers. Giving
your Virtual Subhost customers cgi-bin access is a potential
security risk! The CGIs your customers upload and
execute have all of the rights and privileges of the CGIs
you execute. Therefore, it is possible for a Virtual Subhost
customer, which has been granted CGI privileges, to read
or remove any file in your directory hierarchy. Moreover,
it is possible for a malicious Virtual Subhost customer
to crack weak passwords and gain shell access to your
Virtual Private Servers.
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