User's Manual

Table Of Contents
Configuring Virtual Private Networks
114 WatchGuard Firebox X Edge
4 Type the Name and Shared Key for the VPN tunnel.
The shared key is a passphrase that the devices use to encrypt and
decrypt the data on the VPN tunnel. The two devices use the same
passphrase. If the devices do not have the same passphrase, they cannot
encrypt and decrypt the data correctly.
Phase 1 settings
Internet Key Exchange (IKE) is a protocol used with VPNs to manage
keys automatically. IKE negotiates keys and changes keys. Phase 1
authenticates the parties and creates a key management security
association to protect tunnel data.
The default settings for Phase 1 are the same for all Firebox X
devices. Many users keep these settings in their default values.
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Make sure that the Phase 1 configuration is the same on both
devices.