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2

Since you're using Linux, you can do this using iptables. It's possible to block specific UIDs from making specific requests. See https://unix.stackexchange.com/questions/104830/block-specific-application-with-iptables, or https://www.cyberciti.biz/tips/block-outgoing-network-access-for-a-single-user-from-my-server-using-iptables.html (the latter is quite ...


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The first point to observe is that if you click one of the above addresses you shouldn't be able to open it. They all point (clearly in the case of Azure) to a link-local IP address. These are reserved addresses in the space 169.254.0.0/16 that are not forwarded by routers, and crucially are only accessible from a given instance. The second point to note ...


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