# HACK FOR PROXY PASS-THROUGH
# First check for SERVER_SOFTWARE because it's required to be
# defined for all requests in the CGI spec
# Then if client is one of the proxy servers then we try to use the
# HTTP_X_FORWARDED_FOR address as the client's real IP address
if ( exists $ENV{SERVER_SOFTWARE} and $ENV{REMOTE_ADDR} =~ /^10\.8\.2\.15\d$/ ) {
    $ENV{REMOTE_ADDR} = $ENV{HTTP_X_FORWARDED_FOR} =~ /([^,\s]+)$/;
}