Supported protocol versions and cipher suites
Vonage Contact Center supports only the following TLS/SSL protocol versions and cipher suites:
Protocol version
TLS v1.2 and TLS v1.3
TLS 1.0 and TLS 1.1 are not supported. Do not use.
Cipher suites and supported protocol versions
Protocol version | Ciphers Suite Name (IANA) | Cipher Suite Name (OpenSSL) | Retirement |
|---|---|---|---|
TLS v1.3 | |||
| TLS_AES_128_GCM_SHA256 | TLS_AES_128_GCM_SHA256 |
|
| TLS_AES_256_GCM_SHA384 | TLS_AES_256_GCM_SHA384 |
|
| TLS_CHACHA20_POLY1305_SHA256 | TLS_CHACHA20_POLY1305_SHA256 |
|
TLS v1.2 | |||
| TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | ECDHE-RSA-AES128-GCM-SHA256 |
|
| TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 | ECDHE-RSA-AES256-GCM-SHA384 |
|
Retired cipher suites
Ciphers Suite Name (IANA) | Cipher Suite Name (OpenSSL) | Retired |
|---|---|---|
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 | ECDHE-RSA-AES128-SHA256 | January 27, 2025 |
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 | ECDHE-RSA-AES256-SHA384 | January 27, 2025 |
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 | ECDHE-ECDSA-AES128-SHA256 | June 3, 2024 |
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 | ECDHE-ECDSA-AES256-SHA384 | June 3, 2024 |
TLS_DH_anon_WITH_AES_128_GCM_SHA256 | AES128-GCM-SHA256 | June 3, 2024 |
TLS_RSA_WITH_AES_128_CBC_SHA256 | AES128-SHA256 | June 3, 2024 |
TLS_DH_anon_WITH_AES_256_GCM_SHA384 | AES256-GCM-SHA384 | June 3, 2024 |
TLS_DH_anon_WITH_AES_256_CBC_SHA256 | AES256-SHA256 | June 3, 2024 |
For general assistance, please contact Customer Support.
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