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chengandc 2022-10-27 17:25:01 +08:00
Assuming that the server knows how to route a packet and that the firewall rules permit its transmission, the following flows represent the paths that will be traversed in different situations:
Incoming packets destined for the local system: PREROUTING -> INPUT Incoming packets destined to another host: PREROUTING -> FORWARD -> POSTROUTING Locally generated packets: OUTPUT -> POSTROUTING 在 forward 链里面 drop |