或端口筛选
Or port filtering
以上为机器翻译结果，长、整句建议使用 人工翻译 。
您可以设置该位于内部(LAN)一方或外部(广域网)方根据其IP地址或端口号的网络不同用户的不同数据包筛选器。
You can set up different packet filters for different users that are located on internal (LAN) side or external (WAN) side based on their IP addresses or their network Port number.
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