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• |
Proxy servers
allow blocking of specific URLs
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Router-based
filtering must block entire web
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servers, causing
more unintended blocking
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(“overblocking”).
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Saudi Arabia:
single international gateway to
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Internet,
relatively less Internet traffic → proxy-
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based filtering →
relatively more granular filtering
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China: multiple
international gateways, high
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traffic →
router-based filtering → less granular,
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more overblocking
(sites sharing servers, etc.)
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