参考标准和协议 本文主要介绍VPN连接的参考标准和协议。 与VPN相关的参考标准与协议如下: RFC 2403: The Use of HMACMD596 within ESP and AH RFC 2404: The Use of HMACSHA196 within ESP and AH RFC 2409: The Internet Key Exchange (IKE) RFC 2451: The ESP CBCMode Cipher Algorithms RFC 3526: More Modular Exponential (MODP) DiffieHellman groups for Internet Key Exchange (IKE) RFC 3566: The AESXCBCMAC96 Algorithm and Its Use With IPsec RFC 3602: The AESCBC Cipher Algorithm and Its Use with IPsec RFC 3664: The AESXCBCPRF128 Algorithm for the Internet Key Exchange Protocol (IKE) RFC 4106: The Use of Galois/Counter Mode (GCM) in IPsec Encapsulating Security Payload (ESP) RFC 4109: Algorithms for Internet Key Exchange version 1 (IKEv1) RFC 4434: The AESXCBCPRF128 Algorithm for the Internet Key Exchange Protocol (IKE) RFC 4868: Using HMACSHA256, HMACSHA384, and HMACSHA512 with IPsec RFC 4301: Security Architecture for the Internet Protocol RFC 4302: IP Authentication Header RFC 4303: IP Encapsulating Security Payload (ESP) RFC 4305: Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH) RFC 4306: Internet Key Exchange (IKEv2)Protocol RFC 4307: Cryptographic Algorithms for Use in the Internet Key Exchange Version 2 (IKEv2) RFC 4308: Cryptographic Suites for IPsec RFC 5282: Using Authenticated Encryption Algorithms with the Encrypted Payload of the Internet Key Exchange version 2 (IKEv2) Protocol RFC 6989: Additional DiffieHellman Tests for the Internet Key Exchange Protocol Version 2 (IKEv2) RFC 7296: Internet Key Exchange Protocol Version 2 (IKEv2) RFC 7321: Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH) RFC 8247: Algorithm Implementation Requirements and Usage Guidance for the Internet Key Exchange Protocol Version 2 (IKEv2) RFC 3947: Negotiation of NATTraversal in the IKE RFC 3948: UDP Encapsulation of IPsec ESP Packets RFC 3706: A TrafficBased Method of Detecting Dead Internet Key Exchange (IKE) Peers RFC 4271: A Border Gateway Protocol 4 (BGP4)