Apach directory configure

<Directory "/usr/share/cactus/web">    #DirectoryIndex index.cgi # make sure the homepage is index.cgi    Options +ExecCGI +FollowSymLinks +Indexes +MultiViews    AddHandler cgi-script .cgi    AllowOverride None    Order allow,deny    Allow from all</Directory>

Options :

• ALL Turn on all options except Multiviews
• ExecCGI allow execute CGI switch
• FollowSymLinks allow access symbol link from Apache
• SymLinksIfOwnerMatch allow access symbol link from Apache if the the symbol link's owner match the target node's owner (Always be www-data)
• Multiview allow to use mod_negotiation for multiple view (like adjust view by language index.html.en or index.html.cn or index.html.jp)
• Indexes allow to show the folder view.
• Includes allow to use mod_include for model invoke
• IncludesNOEXEC allow to use mod_include but forbid "#exec cmd" and "#exec cgi"

AddHandler: Assign special extension file as execution file

• cgi-script .cgi assign .cgi file as execution cgi-script

AllowOverride: Set if use .htaccess to Override the origin define.

• None ignore .htaccess file
• All All htaccess statement can be use
• directive-type a type of AuthConfig,FileInfo, Indexes, Limit, Options[=Option,...]

Order: the execution order of allow and deny

• allow,deny execution allow before deny, so deny is the higher privilege
• deny,allow the opposite of allow,deny

Allow from: some IP , domain name or all Deny from: some IP, domain name or all