windows-server-2016.md

Default enabled cipher suite order

• Windows Server 2016

Recommended cipher suite order

Cipher suite string	Allowed by SCH_USE_STRONG_CRYPTO	TLS/SSL Protocol versions
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384	Yes	TLS 1.2
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256	Yes	TLS 1.2
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384	Yes	TLS 1.2
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256	Yes	TLS 1.2
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384	Yes	TLS 1.2
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256	Yes	TLS 1.2
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384	Yes	TLS 1.2
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256	Yes	TLS 1.2
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384	Yes	TLS 1.2
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256	Yes	TLS 1.2
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_DHE_RSA_WITH_AES_256_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_DHE_RSA_WITH_AES_128_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_RSA_WITH_AES_256_GCM_SHA384	Yes	TLS 1.2
TLS_RSA_WITH_AES_128_GCM_SHA256	Yes	TLS 1.2
TLS_RSA_WITH_AES_256_CBC_SHA256	Yes	TLS 1.2
TLS_RSA_WITH_AES_128_CBC_SHA256	Yes	TLS 1.2
TLS_RSA_WITH_AES_256_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_RSA_WITH_AES_128_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_RSA_WITH_3DES_EDE_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_DHE_DSS_WITH_AES_256_CBC_SHA256	Yes	TLS 1.2
TLS_DHE_DSS_WITH_AES_128_CBC_SHA256	Yes	TLS 1.2
TLS_DHE_DSS_WITH_AES_256_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_DHE_DSS_WITH_AES_128_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0
TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA	Yes	TLS 1.2, TLS 1.1, TLS 1.0, SSL 3.0
TLS_RSA_WITH_RC4_128_SHA	No	TLS 1.2, TLS 1.1, TLS 1.0, SSL 3.0
TLS_RSA_WITH_RC4_128_MD5	No	TLS 1.2, TLS 1.1, TLS 1.0, SSL 3.0

Configuring Strong Ciphers

Method 1: Using GPO

Computer Configuration\Administrative Templates\Network\SSL Configuration Settings\SSL Cipher Suite Order

TLS_AES_256_GCM_SHA384,TLS_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,TLS_RSA_WITH_AES_128_GCM_SHA256,TLS_RSA_WITH_AES_256_CBC_SHA256,TLS_RSA_WITH_AES_128_CBC_SHA256

Method 2: Using Registry Editor

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Cryptography\Configuration\Local\SSL\00010002

References

• Windows SSL/TLS Cipher Suites