listening-ip=xxx.xxx.xxx.xxx /*mylocal ip*/
relay-ip=xxx.xxx.xxx.xxx /*mylocal ip*/
external-ip=xx.xx.xx.xx /*my public ip on nat/ruter/modem */

cert=/etc/ssl/certificate.pem  /** or your certificate real path  **/
pkey=/etc/ssl/private.key
dh-file=/etc/turn/dhparam.pem