指定 TLS 伺服器預設的 Diffie-hellman Helman 金鑰位長度，請建立ServerMinKeyBitLength

解釋:
DWORD是Unsigned integer (32-bit)，0x00000800就是2048位元，1024被認為不安全

REF:
https://docs.microsoft.com/zh-tw/windows-server/security/tls/tls-registry-settings
https://thycotic.force.com/support/s/article/TLS-Diffie-Hellman-Hardening
KB3174644
https://docs.microsoft.com/en-us/security-updates/SecurityAdvisories/2016/3174644
Weak Diffie-Hellman and the Logjam Attack
https://weakdh.org