Apache HTTP Server (2)

Configuration Sections

• <Directory> <Location> etc
• http://www.apache.jp/manual/sections.html

Allow/Deny by Host

• Order, Allow, Deny
• http://www.apache.jp/manual/mod/mod_authz_host.html

Logging

• http://www.apache.jp/manual/logs.html

URL Mapping

• Mapping URLs to the Filesystem
• DocumentRoot / Alias / ScriptAlias / Userdir / Redirect ...
• DirectoryIndex

Example (1)

• www.is.kochi-u.ac.jp
• DocumentRoot /www/Public
• DirectoryIndex index.html welcome.html
• http://www.is.kochi-u.ac.jp/ -> /www/Public/index.html

Example (2)

• Alias /icons/ "/www/icons/"
• Options Indexes
• http://www.is.kochi-u.ac.jp/icons/ -> /www/icons/ directory list

Example (3)

• UserDir public_html
• http:/www.is.kochi-u.ac.jp/~tkikuchi/ -> ~tkikuchi/public_html/index.html

CGI

• Common Gateway Interface
• How-to CGI
• ScriptAlias
• AddHandler cgi-script .cgi + Options ExecCGI

CGI program

• Should be executable
• Output Content-Type and other headers
• Input parameters are in
  • GET method: QUERY_STRING environment variable
  • POST method: stdin

CGI Environment Variables

• HTTP Headers -> HTTP_
• ex. Accept-Language: -> HTTP_ACCEPT_LANGUAGE

SSI

• Server Side Includes
• How-to SSI
• AddType text/html .shtml
• AddOutputFilter INCLUDES .shtml
• Options +Includes (in <Directory>)

Authentication

• Authentication, Authorization, and Access Control
• Basic Authentication
  • put a password file in somewhere
• Create the password file ... htpasswd (/sw/www/bin/htpasswd)

Virtual Host

• IP-based / Name-based
• You can have multiple ethernet interfaces for a host computer.
• You can assign multiple alias IP address for an ethernet interface.
• You can assign multiple alias host names for an IP address (by DNS CNAME).

Apache Name-based Virtual Host

• NameVirtualHost
• <VirtualHost> section
• ServerName

Next week

• Exercises ... in Computer Exercise Room (2F)

Homework for Master Students

• None for this week

Quiz of the day

• Spell out these terms:
• CGI
• SSI