IsLocalHost

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>