FR: Time-limited access

[6-AND-9]

What would you like to add or change?:

Some other firewalls (i.e. OpenSnitch) have the ability to allow time-limited access to the Internet/network. For example, when the prompt appears one can select the time period (30 secs / 1 min / 5 mins / 15 mins / 30 mins / 1 hour / one day / indefinite ...) that the particular process / app should be granted access, after which it asks again for access and if no input from the user is provided, is denied automatically

Why do you and others need this?:

Sometimes some apps require an initial setup or we would like to allow them intermittent (and not constant) access to the Internet or the network. This would be a great feature for enhanced security and privacy.

[github-actions]

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