パケットフィルタリング

noun

packet filtering

Technical term in networking; refers to the process of controlling network access by analyzing incoming and outgoing packets and deciding whether to allow or block them based on predefined rules.

• ファイアウォールはパケットフィルタリングによって不ふ正せいなアクセスを防ふせぐ。

  A firewall prevents unauthorized access through packet filtering.