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  • 两种模式的区别

    Main Mode and Aggressive Mode

    IKE phase 1 negotiations are used to establish IKE SAs. These SAs protect the IKE phase 2 negotiations. IKE uses one of two modes for phase 1 negotiations: main mode or aggressive mode. The choice of main or aggressive mode is a matter of tradeoffs. Some of the characteristics of the two modes are:

    • Main mode
      • Protects the identities of the peers during negotiations and is therefore more secure.
      • Enables greater proposal flexibility than aggressive mode.
      • Is more time consuming than aggressive mode because more messages are exchanged between peers. (Six messages are exchanged in main mode.)
    • Aggressive mode
      • Exposes identities of the peers to eavesdropping, making it less secure than main mode.
      • Is faster than main mode because fewer messages are exchanged between peers. (Three messages are exchanged in aggressive mode.)
      • Enables support for fully qualified domain names (FQDNs) when the router uses preshared keys.

    The next section describes aggressive mode in more detail.

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  • 原文地址:https://www.cnblogs.com/jjkv3/p/1797298.html
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