目前 HTTPS 回源可支持的算法如下表所示（顺序无先后之分）：
ECDHE-RSA-AES256-SHA | ECDHE-RSA-AES256-SHA384 | ECDHE-RSA-AES256-GCM-SHA384 |
ECDHE-ECDSA-AES256-SHA | ECDHE-ECDSA-AES256-SHA384 | ECDHE-ECDSA-AES256-GCM-SHA384 |
SRP-AES-256-CBC-SHA | SRP-RSA-AES-256-CBC-SHA | SRP-DSS-AES-256-CBC-SHA |
DH-RSA-AES256-SHA | DH-RSA-AES256-SHA256 | DH-RSA-AES256-GCM-SHA384 |
DH-DSS-AES256-SHA | DH-DSS-AES256-SHA256 | DH-DSS-AES256-GCM-SHA384 |
DHE-RSA-AES256-SHA | DHE-RSA-AES256-SHA256 | DHE-RSA-AES256-GCM-SHA384 |
DHE-DSS-AES256-SHA | DHE-DSS-AES256-SHA256 | DHE-DSS-AES256-GCM-SHA384 |
CAMELLIA256-SHA | DH-RSA-CAMELLIA256-SHA | DHE-RSA-CAMELLIA256-SHA |
PSK-3DES-EDE-CBC-SHA | DH-DSS-CAMELLIA256-SHA | DHE-DSS-CAMELLIA256-SHA |
ECDH-RSA-AES256-SHA | ECDH-RSA-AES256-SHA384 | ECDH-RSA-AES256-GCM-SHA384 |
ECDH-ECDSA-AES256-SHA | ECDH-ECDSA-AES256-SHA384 | ECDH-ECDSA-AES256-GCM-SHA384 |
AES256-SHA | AES256-SHA256 | AES256-GCM-SHA384 |
ECDHE-RSA-AES128-SHA | ECDHE-RSA-AES128-SHA256 | ECDHE-RSA-AES128-GCM-SHA256 |
ECDHE-ECDSA-AES128-SHA | ECDHE-ECDSA-AES128-SHA256 | ECDHE-ECDSA-AES128-GCM-SHA256 |
SRP-AES-128-CBC-SHA | SRP-RSA-AES-128-CBC-SHA | SRP-DSS-AES-128-CBC-SHA |
DH-RSA-AES128-SHA | DH-RSA-AES128-SHA256 | DH-RSA-AES128-GCM-SHA256 |
DH-DSS-AES128-SHA | DH-DSS-AES128-SHA256 | DH-DSS-AES128-GCM-SHA256 |
DHE-RSA-AES128-SHA | DHE-RSA-AES128-SHA256 | DHE-RSA-AES128-GCM-SHA256 |
DHE-DSS-AES128-SHA | DHE-DSS-AES128-SHA256 | DHE-DSS-AES128-GCM-SHA256 |
ECDH-RSA-AES128-SHA | ECDH-RSA-AES128-SHA256 | ECDH-RSA-AES128-GCM-SHA256 |
ECDH-ECDSA-AES128-SHA | ECDH-ECDSA-AES128-SHA256 | ECDH-ECDSA-AES128-GCM-SHA256 |
CAMELLIA128-SHA | DH-RSA-CAMELLIA128-SHA | DHE-RSA-CAMELLIA128-SHA |
PSK-RC4-SHA | DH-DSS-CAMELLIA128-SHA | DHE-DSS-CAMELLIA128-SHA |
AES128-SHA | AES128-SHA256 | AES128-GCM-SHA256 |
SEED-SHA | DH-RSA-SEED-SHA | DH-DSS-SEED-SHA |
DES-CBC3-SHA | DHE-RSA-SEED-SHA | DHE-DSS-SEED-SHA |
IDEA-CBC-SHA | PSK-AES256-CBC-SHA | PSK-AES128-CBC-SHA |
EDH-RSA-DES-CBC3-SHA | ECDH-RSA-DES-CBC3-SHA | ECDHE-RSA-DES-CBC3-SHA |
EDH-DSS-DES-CBC3-SHA | ECDH-ECDSA-DES-CBC3-SHA | ECDHE-ECDSA-DES-CBC3-SHA |
RC4-SHA | ECDH-RSA-RC4-SHA | ECDHE-RSA-RC4-SHA |
RC4-MD5 | ECDH-ECDSA-RC4-SHA | ECDHE-ECDSA-RC4-SHA |
SRP-3DES-EDE-CBC-SHA | SRP-RSA-3DES-EDE-CBC-SHA | SRP-DSS-3DES-EDE-CBC-SHA |
DH-DSS-DES-CBC3-SHA | DH-RSA-DES-CBC3-SHA | - |
