使用外部数据包过滤器或特定层的转换可以优化设备的功能。
Using external packet filters or layer-specific switches optimizes the function of the device.
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.
外部数据包过滤器以及IP的第4层和第7层之间的转换也可以处理和发送客户机请求。
External packet filters and IP Layer-4 and Layer-7 switches can also handle and route client requests.
智能邮件信息处理基于数据包过滤和协议分析处理技术，实现了邮件加密，签名的智能化。
The intelligent E-mail processing, which is based on the packet filtering and protocol analysis, makes the encryption and signature intelligent.
此外，本文还分析了数据包过滤技术的另一个问题：规则冲突，给出了一个规则冲突的理论分析和查找算法。
In addition, the paper has analyzed another problem in the data packet filter technical: rule conflict, and has produced the rule conflict theory research and the searching algorithm.
另外一些新的网络应用如数据包过滤、区分服务、服务质量、多播、流量计费等，都需要NP对到达的数据包进行分类。
At the same time, NP needs to classify the coming packet and satisfy some new complex network applications, such as filtering the packet, differentiated qualities of service, QoS, Multicast and so on.
这个窗口分成三个主要部分：过滤的数据包列表、解码的协议明细和HEX/ASCII格式的原始数据包数据。
The window is divided into three main sections: the list of filtered packets, the decoded protocol details, and the raw packet data in hex/ASCII format.
通过过滤MySQL协议，我能够确定错误的数据包。
By filtering on the MySQL protocol, I was able to identify the error packets.
实现数据包的捕获与过滤功能比较简单。
It is simple to achieve functions of capture and filter packet.
一旦您选择了某个过滤，单击Apply就可以过滤数据包列表。
Once you have chosen the filter, click Apply to filter the packet list.
根据各种标准(如类型、来源或目标)过滤或阻止数据包的网络设备屏障。
A barrier on a network device to filter or block data packets based on such criteria as type, source, or destination.
但包过滤不打开数据包，如果允许你仍要把它送到目的地。
However, the packet filter does not open the data package, and you still get to drive it to the destination if allowed.
本文介绍了NDIS驱动程序结构，给出NDIS中间驱动程序实现网络数据包的拦截方法；并实现了一个基于规则的过滤算法，在过滤算法中引入了一个分层框架。
Network data packets are captured by NDIS Intermediate driver; A rule-based filtering algorithm is presented in this paper, and a layered filtering framework is included in the algorithm.
在这种情况时，链路管理器可能为特定的网络层过滤数据包，而只使一个程序受影响。
If this is the case the circuit manager may wish to filter out datagrams for the appropriate network layer if only one of the applications is affected.
缺乏上下文或国家信息使之不能把包过滤用于数据包为基础的协议，如文件传送协议。
Lack of context or state information makes it impossible to use packet-filters for datagram-based protocols such as File Transfer protocol.
借助于动态过滤功能，您可以隐藏某些数据包所产生的流量。
With the aid of the dynamic filtering feature, you will be able to hide the traffic generated by certain packets.
服务可用性可能会由于网桥的故障或网桥过滤数据包而降低。
Service availability can be lowered by the failure of a Bridge or by a Bridge filtering frames.
缺乏上下文或国家信息使之不能把包过滤用于数据包为基础的协议，如文件传送协议。
Lack of context or state information makes it impossible to use packet - filters for datagram-based protocols such as File Transfer protocol.
随着网络规模的不断扩大与应用技术的不断进步，越来越多的业务需要对数据包进行实时、快速的分类过滤。
With an increasing scale of the network and the development of the application technology, more and more services need data packets classification and filter for real time and speediness.
网桥可以通过过滤数据包把网络内的流量本地化，过滤服务说明参见6.6。
Bridges may localize traffic within the network by filtering frames. Filtering services are described in 6.6.
由于它工作在网络层，可以对所有进出计算机的数据包进行过滤，因此可以更方便有效地保护用户信息安全。
The driver worked on network layer and filtered all data packets through the computer, so it could protect users" information effectively and conveniently."
由于它工作在网络层，可以对所有进出计算机的数据包进行过滤，因此可以更方便有效地保护用户信息安全。
The driver worked on network layer and filtered all data packets through the computer, so it could protect users" information effectively and conveniently."
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