TLS安全策略等级

TLS安全策略包含HTTPS可选的TLS协议版本和配套的加密算法套件。TLS协议版本越高，HTTPS通信的安全性越高，但是相较于低版本TLS协议，高版本TLS协议对浏览器的兼容性较差。

ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
ssl_prefer_server_ciphers off;
ssl_protocols TLSv1.1 TLSv1.2;

ssl-protocols: "TLSv1 TLSv1.1 TLSv1.2 TLSv1.3"
ssl-ciphers: "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA"

TLS安全策略

安全策略	支持TLS版本	支持加密算法套件
tls_cipher_policy_1_0	TLSv1.0、TLSv1.1和TLSv1.2	ECDHE-ECDSA-AES128-GCM-SHA256、ECDHE-ECDSA-AES256-GCM-SHA384、ECDHE-ECDSA-AES128-SHA256、ECDHE-ECDSA-AES256-SHA384、ECDHE-RSA-AES128-GCM-SHA256、ECDHE-RSA-AES256-GCM-SHA384、ECDHE-RSA-AES128-SHA256、ECDHE-RSA-AES256-SHA384、AES128-GCM-SHA256、AES256-GCM-SHA384、AES128-SHA256、AES256-SHA256、ECDHE-ECDSA-AES128-SHA、ECDHE-ECDSA-AES256-SHA、ECDHE-RSA-AES128-SHA、ECDHE-RSA-AES256-SHA、AES128-SHA、AES256-SHA、DES-CBC3-SHA
tls_cipher_policy_1_1	TLSv1.1和TLSv1.2	ECDHE-ECDSA-AES128-GCM-SHA256、ECDHE-ECDSA-AES256-GCM-SHA384、ECDHE-ECDSA-AES128-SHA256、ECDHE-ECDSA-AES256-SHA384、ECDHE-RSA-AES128-GCM-SHA256、ECDHE-RSA-AES256-GCM-SHA384、ECDHE-RSA-AES128-SHA256、ECDHE-RSA-AES256-SHA384、AES128-GCM-SHA256、AES256-GCM-SHA384、AES128-SHA256、AES256-SHA256、ECDHE-ECDSA-AES128-SHA、ECDHE-ECDSA-AES256-SHA、ECDHE-RSA-AES128-SHA、ECDHE-RSA-AES256-SHA、AES128-SHA、AES256-SHA、DES-CBC3-SHA
tls_cipher_policy_1_2	TLSv1.2	ECDHE-ECDSA-AES128-GCM-SHA256、ECDHE-ECDSA-AES256-GCM-SHA384、ECDHE-ECDSA-AES128-SHA256、ECDHE-ECDSA-AES256-SHA384、ECDHE-RSA-AES128-GCM-SHA256、ECDHE-RSA-AES256-GCM-SHA384、ECDHE-RSA-AES128-SHA256、ECDHE-RSA-AES256-SHA384、AES128-GCM-SHA256、AES256-GCM-SHA384、AES128-SHA256,AES256-SHA256、ECDHE-ECDSA-AES128-SHA、ECDHE-ECDSA-AES256-SHA、ECDHE-RSA-AES128-SHA、ECDHE-RSA-AES256-SHA、AES128-SHA、AES256-SHA、DES-CBC3-SHA
tls_cipher_policy_1_2_strict	TLSv1.2	ECDHE-ECDSA-AES128-GCM-SHA256、ECDHE-ECDSA-AES256-GCM-SHA384、ECDHE-ECDSA-AES128-SHA256、ECDHE-ECDSA-AES256-SHA384、ECDHE-RSA-AES128-GCM-SHA256、ECDHE-RSA-AES256-GCM-SHA384、ECDHE-RSA-AES128-SHA256、ECDHE-RSA-AES256-SHA384、ECDHE-ECDSA-AES128-SHA、ECDHE-ECDSA-AES256-SHA、ECDHE-RSA-AES128-SHA、ECDHE-RSA-AES256-SHA
tls_cipher_policy_1_2_strict_with_1_3	TLSv1.2及TLSv1.3	TLS_AES_128_GCM_SHA256、TLS_AES_256_GCM_SHA384、TLS_CHACHA20_POLY1305_SHA256、TLS_AES_128_CCM_SHA256、TLS_AES_128_CCM_8_SHA256、ECDHE-ECDSA-AES128-GCM-SHA256、ECDHE-ECDSA-AES256-GCM-SHA384、ECDHE-ECDSA-AES128-SHA256、ECDHE-ECDSA-AES256-SHA384、ECDHE-RSA-AES128-GCM-SHA256、ECDHE-RSA-AES256-GCM-SHA384、ECDHE-RSA-AES128-SHA256、ECDHE-RSA-AES256-SHA384、ECDHE-ECDSA-AES128-SHA、ECDHE-ECDSA-AES256-SHA、ECDHE-RSA-AES128-SHA、ECDHE-RSA-AES256-SHA

TLS安全策略支持的加密算法套件

安全策略	tls_cipher_policy_1_0	tls_cipher_policy_1_1	tls_cipher_policy_1_2	tls_cipher_policy_1_2_strict	tls_cipher_policy_1_2_strict_with_1_3
TLS	1.2、1.1及1.0	1.1及1.2	1.2	1.2	1.2及1.3
CIPHER	ECDHE-RSA-AES128-GCM-SHA256
ECDHE-RSA-AES256-GCM-SHA384
ECDHE-RSA-AES128-SHA256
ECDHE-RSA-AES256-SHA384
AES128-GCM-SHA256				-	-
AES256-GCM-SHA384				-	-
AES128-SHA256				-	-
AES256-SHA256				-	-
ECDHE-RSA-AES128-SHA
ECDHE-RSA-AES256-SHA
AES128-SHA				-	-
AES256-SHA				-	-
DES-CBC3-SHA				-	-
TLS_AES_128_GCM_SHA256	-	-	-	-
TLS_AES_256_GCM_SHA384	-	-	-	-
TLS_CHACHA20_POLY1305_SHA256	-	-	-	-
TLS_AES_128_CCM_SHA256	-	-	-	-
TLS_AES_128_CCM_8_SHA256	-	-	-	-
ECDHE-ECDSA-AES128-GCM-SHA256	-	-	-	-
ECDHE-ECDSA-AES256-GCM-SHA384	-	-	-	-
ECDHE-ECDSA-AES128-SHA256	-	-	-	-
ECDHE-ECDSA-AES256-SHA384	-	-	-	-
ECDHE-ECDSA-AES128-SHA	-	-	-	-
ECDHE-ECDSA-AES256-SHA	-	-	-	-

上表中的表示支持，-表示不支持。