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Explanation: Use recommended encryption

OVPN's desktop client has a feature named Use recommended encryption suite, which is enabled by default.

The setting controls which encryption algorithm is used for the VPN tunnel. If enabled, the AES-256-GCM encryption is used.

However, older computers or computers with slower processors may experience low internet speed if AES-256-GCM is used. Thus, it is possible to reduce the encryption to AES-128-GCM by disabling the setting.

AES-128-GCM is still safe to use and there are no known vulnerabilities.

The setting is enabled / disabled under the Settings tab of the client.