这是不可靠的-它不检查数据包是否到达成功。
It's unreliable - it doesn't check whether packets arrive successfully.
当收到这个数据包时，ssh客户机检查在客户端是否启用了这个选项。
The SSH client, on receiving this data packet, checks if the same option is enabled on the client side.
iptables用于建立、维护和检查Linux内核中的ip数据包过滤器规则表。
Iptables are used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel.
例如，对于以太网来说，网络标准数据包将发送到所有的物理端口，并且通过扫描通过网络传输的所有数据包，您可以检查其中的内容。
For example, with the Ethernet, network standard packets are echoed to all physical ports and, by scanning all the packets that go past on the network, you can examine the content.
如果这条目存在，路由器就验证这个数据包是否是从内部网络到外部网络，并检查其是否满足转换规则。
If an entry is available, it verifies whether the packet is traveling from the inside to the outside network and checks if the packet matches the criteria specified for translation.
这个nat路由器检查它的路由表，查看有没有包含这个数据包目的地址的条目。
The NAT router checks the routing table to see if it has an entry for the destination address.
而且，因为iptrace将检查来自内核空间的完整的数据包，所以其结果可能导致丢弃大量的数据包。
And, because iptrace examines the entire packet from the kernel space, the results can offer lots of dropped packets.
因为我们寻找的是IP数据包，所以我们能通过检查Ethernet数据包类型来检查 IP 数据包。
Since we are looking for IP packets, we can check for IP packets by looking at the Ethernet packet type.
听力计算机收到这个数据包，检查它的正确的信息，然后靴子，如果魔术队分组是有效的。
The listening computer receives this packet, checks it for the correct information, and then boots if the Magic Packet is valid.
本文档介绍了位交叉奇偶校验(BIP - 8)帧检查，超过SONET (POS)的路由器接口发送的数据包。
This document explains bit interleaved parity (BIP-8) checks on frames that a packet over SONET (POS) router interface transmits.
您可以检查，保存，过滤器，进口和出口捕获的数据包，查看协议解码与广泛的协议，超过70分析的最低层。
You can examine, save, filter, import and export captured packets, view protocol decodes down to the lowest layer with full analysis of over 70 widespread protocols.
状态检查：一种更新的方法，并不检查每个数据包的内容，而是将数据包的某个关键部分与一个可信的信息数据库比较。
Stateful inspection: a newer method that doesn't examine the contents of each packet but instead compares certain key parts of the packet to a database of trusted information.
当数据包到达某台主机后，这台主机的网卡会先接收这个数据包，进行检查。
After data bag reachs some main engine, the net card of this lead plane can receive this data package first, undertake checking.
当数据包到达某台主机后，这台主机的网卡会先接收这个数据包，进行检查。
After data bag reachs some main engine, the net card of this lead plane can receive this data package first, undertake checking.
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