I am getting the following error message:

Variable HTTP_REMOTE_USER is undefined

I am trying to run a web app on my local machine for testing purposes.

I am using the followng code for security:

<CFIF HTTP_REMOTE_USER IS NOT 'cn=anonymous, f=anonymous' AND
TRIM(HTTP_REMOTE_USER) IS NOT ''>
<cfscript>
structinsert(tablename,"certificate_name",HTTP_REM OTE_USER);
structinsert(tablename,"use_CN_flag",1);
</cfscript>

<CFELSEIF #ParameterExists(Cookie.user_name)# IS "YES" AND
#ParameterExists(Cookie.password)# IS "YES">

<cfscript>
structinsert(tablename,"user_name",Cookie.user_nam e);
structinsert(tablename,"password",Cookie.password) ;
structinsert(tablename,"use_CN_flag",0);
</cfscript>

<CFELSEIF #ParameterExists(FORM.user_name)# IS "YES" AND
#ParameterExists(FORM.password)# IS "YES">

<cfscript>
structinsert(tablename,"user_name",FORM.user_name) ;
structinsert(tablename,"password",FORM.password);
structinsert(tablename,"use_CN_flag",0);
</cfscript>

<!---Creates client side cookies--->
<CFCOOKIE NAME="user_name" VALUE="#tablename.user_name#" EXPIRES="never">
<CFCOOKIE NAME="password" VALUE="#tablename.password#" EXPIRES="never">


<CFELSE>
<cfset noauth = TRUE>
</CFIF>

Need help. Thanks!