Description

Determines whether the specified IP address is the localhost. This supports both IPv4 and IPv6 addresses.

Returns

True, if the IP address is the localhost; False, otherwise.

Category

Decision functions

Function syntax

IsLocalHost(ipaddress)

See also

GetLocalHostIP

History

ColdFusion MX 7.01 : Added this function.

Parameters

Example

<h3>IsLocalHost Example</h3>

<cfif IsDefined("FORM.theTestIPAddress")>
    <cfif IsLocalHost(FORM.theTestIPAddress)>
        <h3>The IP address <cfoutput>#FORM.theTestIPAddress)#</cfoutput> is the localhost</h3>
    <cfelse>
        <h3>The IP address <cfoutput>#DE(FORM.theTestIPAddress)#</cfoutput> is not the localhost.</h3>
    </cfif>
</cfif>

<form action = "isIPAddressLocalHost.cfm">
<p>Enter an IP address to find out if it is the localhost.
<p><input type = "Text" name = "TheTestIPAddress" value = "127.0.0.1"
<input type = "Submit" value = "Is this the localhost?" name = "">
</form>