# you should have this one
LoadModule cgi_module modules/mod_cgi.so

# and this one
ScriptAlias /cgi-bin/ "/var/www/cgi-bin/"

<Directory "/var/www/cgi-bin">
    AllowOverride None
    Options None
    Order allow,deny
    Allow from all
</Directory>

# and this to manage the .cgi extension
AddHandler cgi-script .cgi