The settings of apacheserver for unix and NT platforms are the same. The following describes apacheserver settings on the unix platform. In addition, it is worth noting that about 50% of the workload for successful virtual web settings is in domain name registration and resolution. Therefore, you should register the domain name before setting the virtual WEB. I. virtual IP Address
The settings for using apache server on unix and NT platforms are the same. The following describes how to configure apache server on the unix platform. In addition, it is worth noting that about 50% of the workload for successful virtual web settings is in domain name registration and resolution. Therefore, you should register the domain name before setting the virtual WEB. I. virtual IP Address
The unix and NT platforms use
SetSame. The following uses the unix platform as an example to describe
Set. In addition, it is worth noting that,
VirtualWeb success
SetAbout 50% of the workload is in domain name registration and resolution. So register the domain name first and then
VirtualWEB
Set.
I. IP type
VirtualHost
IP
VirtualHost
VirtualThe unique IP address of the host. Multiple Physical NICs or
VirtualMultiple IP addresses are implemented at the network port. Both Solaris2.5 and Windows NT support this method.
Multiple configurations
VirtualHost method:
1. For each
VirtualThe host starts an httpd process.
Use this method in the following cases:
1) Security Isolation needs to be considered. For example, two httpd instances run on different users, groups, Listen, and ServerRoot instances. In addition to browsing data through the Web, the two users cannot access other data.
2) provides sufficient memory and file descriptors.
SetMethod:
For each
VirtualThe host establishes an independent httpd installation. In the configuration file httpd. conf of each installation path, use the Listen command to specify the IP address of the process service, for example, Listen 10.68.37.10: 80.
2. for all
VirtualThe host starts an httpd process.
Use this method in the following cases:
1) allow
VirtualShare httpd configurations between hosts.
2) computers serve a large number of requests and run multiple processes to reduce server performance.
SetMethod:
In the configuration file httpd. conf, use the VirtualHost command
VirtualHost
SetServerAdmin, ServerName, DocumentRoot, ErrorLog, TransferLog, or CustomLog, for example:
<VirtualHost www.smallco.com> # IP address is recommended here
ServerAdmin webmaster@mail.smallco.com
DocumentRoot/usr/local/etc/httpd/htdocs/smallco
ServerName www.smallco.com # we recommend that you use a domain name here
ErrorLog/usr/local/etc/httpd/logs/smallco/error_log
TransferLog/usr/local/etc/httpd/logs/smallco/access_log
</VirtualHost> 〉
<VirtualHost www.baygroup.org> # IP address is recommended here
ServerAdmin webmaster@mail.baygroup.org
DocumentRoot/groups/baygroup/www
ServerName www.baygroup.org # domain names are recommended here
ErrorLog/groups/baygroup/logs/error_log
TransferLog/groups/baygroup/logs/access_log
</VirtualHost> 〉
At the same time
VirtualConfigure the network port or Nic in DNS
Set.
Ii. Name type
VirtualHost (supported by Apache1.3 and later versions)
IP
VirtualAlthough the host is good, it is not the best solution. It requires each
VirtualThe host has a dedicated IP address, which is difficult to implement on some machines. Name type
VirtualHost refers to each
VirtualThe host name is different, but the IP address is the same. Its advantage is that it is unlimited.
VirtualThe number of hosts, which is easy to configure and use without additional hardware and software. The disadvantage is that the client must support this part of the protocol, which is supported by browsers of recent versions. Some earlier versions of browsers do not. However, Apache provides a solution for this.
SetMethod:
Use the NameVirtualHost command in the configuration file httpd. conf.
Set
VirtualHost, such:
NameVirtualHost 111.22.33.44
<VirtualHost 111.22.33.44> # IP address is recommended.
ServerName www. domain. tld # domain name is recommended here
DocumentRoot/web/domain
</VirtualHost> 〉
At the same time, the DNS defines www. domain. tld pointing to 111.22.33.44.
Note: When the IP address is used after the NameVirtualHost command, any URL request using the IP address is
VirtualThe master server will never respond to a URL request using an IP address. In addition, some servers want to be accessed by multiple names. For example, if a server with an IP address wants to be accessed by domain. tld and www2.domain. tld, The ServerAlias command is used in the VirtualHost command. For example, ServerAlias domain. tld *. domain. tld
Additional
VirtualHost
SetInstance.
Appendix:
VirtualHost
SetInstance
IP type
VirtualHost Configuration
Setup 1: the server has two IP addresses,
111.22.33.44 server. domain. tld
111.22.33.55 www. otherdomain. tld
Www. domain. tld is the alias of server. domain. tld (CNAME), representing the master server.
Server Configuration:
...
Port 80
DocumentRoot/www/domain
ServerName www. domain. tld
<VirtualHost 111.22.33.55> 〉
DocumentRoot/www/otherdomain
ServerName www. otherdomain. tld
...
</VirtualHost> 〉
Setup 2: basically the same as Setup1, but not
SetDedicated master server.
Server Configuration:
...
Port 80
ServerName server. domain. tld
<VirtualHost 111.22.33.44> 〉
DocumentRoot/www/domain
ServerName www. domain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.55> 〉
DocumentRoot/www/otherdomain
ServerName www. otherdomain. tld
...
</VirtualHost> 〉
This
SetHit the master server only when the URL is http://server.domain.tld
Setup 3: the server has two IP addresses,
111.22.33.44 server. domain. tld
111.22.33.55 www-cache.domain.tld
Www. domain. tld is the alias of server. domain. tld (CNAME), representing the master server.
The www-cache.domain.tld is the proxy-cache, the port is 8080, and the Web server uses the default 80.
Server Configuration:
...
Port 80
Listen 111.22.33.44: 80
Listen 111.22.33.55: 8080
ServerName server. domain. tld
<VirtualHost 111.22.33.44: 80> 〉
DocumentRoot/www/domain
ServerName www. domain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.55: 8080> 〉
ServerName www-cache.domain.tld
...
<Directory proxy:> :〉
Order deny, allow
Deny from all
Allow from 111.22.33
</Directory> 〉
</VirtualHost> 〉
Name type
VirtualHost Configuration
Setup 1: the server has an IP address,
111.22.33.44 server. domain. tld.
Www. domain. tld and www. sub. domain. tld are aliases (CNAMEs ).
Server Configuration:
...
Port 80
ServerName server. domain. tld
NameVirtualHost 111.22.33.44
<VirtualHost 111.22.33.44> 〉
DocumentRoot/www/domain
ServerName www. domain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.44> 〉
DocumentRoot/www/subdomain
ServerName www. sub. domain. tld
...
</VirtualHost> 〉
If you use an IP address to access the server, because www. domain. tld has the highest priority, it is considered as the default server or
Server 1.
Setup 2: the server has two IP addresses,
111.22.33.44 server1.domain. tld for master server
111.22.33.55 server2.domain. tld is used
VirtualHost
The alias www. domain. tld is used for the master server,
The alias www. otherdomain. tld is used for
VirtualHost,
The alias www. sub. domain. tld, *. sub. domain. tld is used for another
VirtualHost,
Server Configuration:
...
Port 80
ServerName www. domain. tld
DocumentRoot/www/domain
NameVirtualHost 111.22.33.55
<VirtualHost 111.22.33.55> 〉
DocumentRoot/www/otherdomain
ServerName www. otherdomain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.55> 〉
DocumentRoot/www/subdomain
ServerName www. sub. domain. tld
ServerAlias *. sub. domain. tld
...
</VirtualHost> 〉
Hybrid (IP/name)
VirtualHost Configuration
Setup: the server has three IP addresses,
111.22.33.44 server. domain. tld for name Type
VirtualHost
111.22.33.55 www. otherdomain1.tld for IP
VirtualHost
111.22.33.66 www. otherdomain2.tld for IP
VirtualHost
Server Configuration:
...
Port 80
ServerName server. domain. tld
NameVirtualHost 111.22.33.44
<VirtualHost 111.22.33.44> 〉
DocumentRoot/www/domain
ServerName www. domain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.44> 〉
DocumentRoot/www/subdomain1
ServerName www. sub1.domain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.44> 〉
DocumentRoot/www/subdomain2
ServerName www. sub2.domain. tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.55> 〉
DocumentRoot/www/otherdomain1
ServerName www. otherdomain1.tld
...
</VirtualHost> 〉
<VirtualHost 111.22.33.66> 〉
DocumentRoot/www/otherdomain2
ServerName www. otherdomain2.tld
...
</VirtualHost> 〉
Port type
VirtualHost Configuration
Setup: the server has an IP address,
111.22.33.44 www. domain. tld
No other alias or IP address is required. Port type is used.
VirtualHost
SetA configuration is different from a virtual server
VM instance.
Server Configuration:
...
Listen 80
Listen 8080.
ServerName www. domain. tld
DocumentRoot/www/domain
<VirtualHost 111.22.33.44: 8080> 〉
DocumentRoot/www/domain2
...
</VirtualHost> 〉
