Note: Salesforce Services and Marketing Cloud supports Transport Layer Security (TLS) 1.2 and 1.3. Salesforce no longer supports TLS 1.0 or 1.1 protocols.
TLS v1.2 Cipher Suites
TLS version 1.2 is supported with the following Cipher Suites for Marketing Cloud and Salesforce Services
| Preference | Cipher Suite | OpenSSL CipherSuite Name |
| 1 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 | ECDHE-RSA-AES256-GCM-SHA384† |
| 2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 | ECDHE-RSA-AES128-GCM-SHA256† |
| 3 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 | ECDHE-RSA-AES256-SHA384† |
| 4 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 | ECDHE-RSA-AES128-SHA256† |
| 5 | TLS_RSA_WITH_AES_256_GCM_SHA384 | AES256-GCM-SHA384 |
| 6 | TLS_RSA_WITH_AES_128_GCM_SHA256 | AES128-GCM-SHA256 |
| 7 | TLS_RSA_WITH_AES_256_CBC_SHA256 | AES256-SHA256 |
| 8 | TLS_RSA_WITH_AES_128_CBC_SHA256 | AES128-SHA256 |
| 9 | TLS_RSA_WITH_AES_256_CBC_SHA | AES256-SHA |
| 10 | TLS_RSA_WITH_AES_128_CBC_SHA | AES128-SHA |
† Provides Forward Secrecy
TLS v1.3 Cipher Suites
TLS version 1.3 is supported with the following Cipher Suites for Salesforce Services hosted in Hyperforce:
| Preference | Cipher Suite/OpenSSL CipherSuite Name |
| 1 | TLS_AES_256_GCM_SHA384 |
| 2 | TLS_AES_128_GCM_SHA256 |
| 3 | TLS_AES_128_CCM_SHA256 |
| 4 | TLS_AES_128_CCM_8_SHA256 |
| 5 | TLS_CHACHA20_POLY1305_SHA256 (except GovCloud) |
Salesforce provides a suite of protocols and ciphers that focus on security while allowing for a reasonable degree of compatibility. Our servers will negotiate to the most secure combination the client can support.
Based on the TLS version (1.2/1.3) clients support, it will connect with that protocol.
Ciphers are treated in the same way. The most secure cipher that can be negotiated with the client is used.
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