SSI

[ecchi]

Help. I am using the following two commands on SSI:

<!--#echo var="$ENV{'SERVER_NAME'}" -->
<!--#echo var="$ENV{'HTTP_HOST'}" -->

The result I am expecting is along the lines of:

www.greenguysboard.com

But what I am actually getting is:

(none)

I have checked using Perl, both variables exist, but how do I get the results using SSI?

Thanks.