TLS Version and Cipher Suites

Stellar Cyber communications between sensors and the DP are secured by TLS 1.2. Stellar Cyber uses the following cipher suites:

• TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

• TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

• TLS_DHE_RSA_WITH_AES_256_GCM_SHA384

• TLS_DHE_RSA_WITH_AES_128_GCM_SHA256

Refer to Firewall Requirements for more specific details on communication protocols and ports.