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| ★ 内容过滤 | |||
| English thesaurus | |||
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| Controlling access to a network by analyzing the contents of the incoming and outgoing packets and either letting them pass or denying them based on a list of rules (Differs from packet filtering in that it is the data in the packet that are analyzed instead of the attributes of the packet itself (e.g., source/target IP address, transmission control protocol [TCP] flags)) | |||
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content filtering : 5 phrases in 3 subjects |
| Computer networks | 2 |
| Cryptography | 1 |
| Public security | 2 |