* Q: Can i use two or more authentication methods in one service instance * A: Yes. Simply repeat the `` in the `` section. Example: {{{ qcg.example.com 19021 false /opt/plgrid/qcg/etc/qcg-comp/certs/qcgcertkey.pem qcg.example.com 19022 false /opt//qcg/etc/qcg-comp/certs/qcgcertkey.pem /etc/grid-security/certificates /etc/grid-security/grid-mapfile