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Comment What is the point of a firewall? (Score 1) 348

Take a good look at your exposed host. Install only the software that the clients will need and make sure only the essential ports have services listening on them.

Now there is no traffic left for your firewall to filter (except connections to your internal network going through a different interface).

Comment It's actually the other way around. (Score 1) 241

A more fruitful question to ask is how many classes in informatics subjects a mathematics student should take to warrant a degree in Computer Science (instead of general or applied mathematics).

Informatics consists mostly of GÃdel's incompleteness theorem and Turings halting problem with a bit of propositional logic and lamda calculus thrown in; the rest of computer science is really electronics. A few experiments in electronics and programming may help students to visualise the theory a bit.

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