Error validating proxy netscreen
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Symmetric keys are most commonly used in IPSec VPNs because of its good performance.
In this recipe, you create a site-to-site IPsec VPN tunnel to allow communication between two networks that are located behind different Forti Gate devices.
You use the VPN Wizard’s Site to Site – Forti Gate template to create the VPN tunnel on both Forti Gate devices.
You cannot determine the orginal data from the hash value.
This hash value (result of of the hashing operation) is fixed-length (depends on the algorithm) : * MD5 : 128bit length * SHA : 160bit length MD5 is less secure than SHA (collision attack.