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...economical and can be implemented on standard routers, although additional software may need to be installed. Users behind a packet-filtering firewall generally find the degree of restriction involved acceptable and relatively unobtrusive...Network security: 9.5 Application level gateways - An application level gateway is implemented through a proxy server, which acts as...

...economic rights of the individual creator and preventing unauthorised use. They provide a legal framework for copyright owners to pursue those who copy or use their material without credit, which is known as plagiarism. Copyright laws have been in existence for many years and can be slow to change. Digital technology, such as the internet, provides the means for...

...economic and sociological forces it did not understand ... Now the Machines understand them; and no one can stop them, since the Machines will deal with them ... having, as they do, the greatest of weapons at their disposal, the absolute control of our economy.' 'How horrible!' 'Perhaps how wonderful! Think, that for all time all conflicts are finally evitable. Only the...