957/681=1.4 回来1.4个包。
Chain INPUT (policy ACCEPT 681K packets, 480M bytes)
pkts bytes target prot opt in out source destination
957K 38M DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp flags:0x2F/0x04
Chain INPUT (policy ACCEPT 681K packets, 480M bytes)
pkts bytes target prot opt in out source destination
957K 38M DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp flags:0x2F/0x04
