Example on how to create a 'Secret URL' for Nagios in Apache.

gistfile1.apacheconf

# Example from http://www.screenlyapp.com/use-cases/dashboard/nagios.html

ScriptAlias /cgi-bin/nagios3 /usr/lib/cgi-bin/nagios3
ScriptAlias /nagios3/cgi-bin /usr/lib/cgi-bin/nagios3
Alias /nagios3/stylesheets /etc/nagios3/stylesheets
Alias /nagios3 /usr/share/nagios3/htdocs

<Location /abc123>
	# Hard code credentials
	AuthBasicFake nagiosadmin nagiosadmin

        ProxyHTMLLinks a href
        ProxyHTMLLinks area href
        ProxyHTMLLinks link href
        ProxyHTMLLinks img src longdesc usemap
        ProxyHTMLLinks object classid codebase data usemap
        ProxyHTMLLinks q cite
        ProxyHTMLLinks blockquote cite
        ProxyHTMLLinks ins cite
        ProxyHTMLLinks del cite
        ProxyHTMLLinks form action
        ProxyHTMLLinks input src usemap
        ProxyHTMLLinks head profile
        ProxyHTMLLinks base href
        ProxyHTMLLinks script src for
        ProxyHTMLEvents onclick ondblclick onmousedown onmouseup \
            onmouseover onmousemove onmouseout onkeypress \
            onkeydown onkeyup onfocus onblur onload \
            onunload onsubmit onreset onselect onchange
        ProxyPass http://localhost/nagios3
        ProxyPassReverse http://localhost/nagios3
        ProxyHTMLEnable On
        ProxyHTMLExtended On
        SetOutputFilter INFLATE;proxy-html;DEFLATE;
        ProxyHTMLURLMap /nagios3 /abc123
        ProxyHTMLURLMap /cgi-bin/nagios3 /abc123/cgi-bin
</Location>

<DirectoryMatch (/usr/share/nagios3/htdocs|/usr/lib/cgi-bin/nagios3|/etc/nagios3/stylesheets)>
	Options FollowSymLinks
	DirectoryIndex index.php index.html
	AllowOverride AuthConfig
	Order Allow,Deny
	Allow From All
 	AuthName "Nagios Access"
 	AuthType Basic
        AuthUserFile /etc/nagios3/htpasswd.users
        require valid-user
</DirectoryMatch>

<Directory /usr/share/nagios3/htdocs>
	Options	+ExecCGI
</Directory>