In Frontend configuration menu select following parameters for your frontend
- Ordered space separated list of ciphers:
ECDHE-ECDSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-GCM-SHA256 ECDHE-ECDSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-GCM-SHA384 ECDHE-ECDSA-WITH-CHACHA20-POLY1305 ECDHE-RSA-WITH-CHACHA20-POLY1305 ECDHE-ECDSA-AES128-CBC-SHA ECDHE-RSA-AES256-CBC-SHA ECDHE-RSA-AES128-CBC-SHA ECDHE-ECDSA-AES256-CBC-SHA RSA-AES128-CBC-SHA RSA-AES256-CBC-SHA
Click Proceed to continue and request instantiation.
To know more about Frontend Slaves you can read HowTo Instantiate Frontend Slave tutorial.