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Why can an instance be accessed by clients whose IP addresses are not included in a whitelist of the instance?

Updated at: 2024-10-24 10:21

After password-free access is enabled for the instance, clients within the same virtual private cloud (VPC) can directly connect to the instance without the need to add their IP addresses to a whitelist of the instance. For more information about password-free access, see Enable password-free access.

You can log on to the Tair console and check whether password-free access is enabled for the instance in the Connection Information section of the instance details page. If Disable Password-free Access is displayed, this feature is enabled for the instance.

If you want to enforce strict checking of the instance whitelists for access control purposes even after password-free access is enabled, set the #no_loose_check-whitelist-always parameter to yes on the Parameter Settings page. For more information, see Configure instance parameters.

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