add node-exporter to allowed ports
add node-exporter to allowed ports

gambol99/kops,justinsb/kops,justinsb/kops,aledbf/kops,aledbf/kops,gambol99/kops,robinpercy/kops,justinsb/kops,kubernetes/kops,aledbf/kops,aledbf/kops,robinpercy/kops,kubernetes/kops,robinpercy/kops,kubernetes/kops,gambol99/kops,gambol99/kops,robinpercy/kops