ip header 中文意思是什麼

ip header 解釋
ip報頭
  • ip : 1. initial point 起點。2. Internet Protocol 【計算機】網際協議。
  • header : n 1 製造釘頭[工具頭]的人[機械]。2 〈口語〉劊子手，斷頭機；割穗機。3 【機械工程】通水管，通汽管；...
  1. After the briefly present the origin and features of internet protocol version 6 ( ipv6 ), the paper detailedly introduced the conception, characters, security technologies of vpn, and main tunnel protocols used to implement and deploy vpns. after analyzing and comparing these technologies of realizing vpns, we choosed ipsec. then, the paper analyzed in the ipsec structure, function, work mode, and its components such as authentication header ( ah ), encapsulating security payload ( esp ), internet key exchange ( ike ), encryption and authentication algorithms, security association, security policy, and how they cooperate with each other in order to secure ip packages

    在簡要介紹ipv6協議的由來和優點之後，詳細闡述了虛擬專用網的概念、特點、安全技術及實現的關鍵隧道協議，通過對實現技術的分析比較，選用了安全性強大的ipsec隧道技術，接著深入研究了ipv6安全協議ipsec的體系結構、操作模式，詳細論述了ipsec協議簇的各個組成部分，如認證報頭ah協議、封裝安全載荷esp協議、密鑰管理ike協議、加密認證演算法、安全聯盟和安全策略等，以及這些組件之間如何協作，來共同實現對網路層ip數據包的安全保護。
  2. It includes chip selection, schematic circuit design, cpu selection and configuration, startup of the system, selection and configuration of embedded operation system, selection and configuration of tcp / ip software. it also describes some driver programming techniques of network controller. part 3 ( chapter 5 and 6 ) briefly introduces encryption technology and the ipsec protocol system, including architecture, mode, security association, security policy, implementation mode, processing of in / out packet, esp ( encapsulation security payload ), ah ( authentication header ), ike ( internet key exchange ) etc. the security requirements of embedded - networking is also analyzed

    本文首先探討了嵌入式網路的原理和設計要求，接著介紹了本文所開發的嵌入式系統的硬體平臺的設計（包括處理器的選擇與配置、存儲器的選擇和io設備的選用等） ，系統的啟動（包括bios和dos的啟動以及嵌入式操作系統vrtx的配置和引導） ，網路及其安全服務的實現（包括嵌入式協議棧usnet的選取、底層驅動程序的設計和安全協議ipsec的分析與實施） 。
  3. The ability of keeping the ip packet ' s integrity, secrecy, authentication, data origination, anti - relay is discussed. the relationship of ipsec component authentication header ( ah ), encapsulating security payload ( esp ) and ike ( internet key exchange ) is also talked about. this discussion of ipsec makes the impression that ipsec make ip layer security enough

    論述了ipsec在ip報文的完整性、機密性、數據來源認證和抗重播等方面的能力， ipsec的基本協議? ?認證報文頭（ ah ）和安全封裝載荷報頭（ esp ）與ipsec安全體系的其它組成部分如安全策略、加密和認證演算法、密鑰管理等如何合作，共同完成對ip報文的安全保護。
  4. In its header, each packet also carries the ip address of the final destination

    在報頭中，每個包也攜帶最終目的地的ip地址。
  5. When ddos happens, the flood presents some characteristics, such as the statistical distributing. although an attacker can forge any field in the ip header, he or she cannot falsify the numbers of hops an ip packet takes the reach its destination, which is solely determined by the internet routing infrastructure

    Tcpsynflood攻擊發生時，在路由器會引起某些異常情況，如流量異常（可能會流量猛增） ，報文流一些特徵的統計分佈特性發生改變（如源ip地址的隨機分佈特性， ttl欄位的分佈特性）等。
  6. Change the ip header type of the service field

    更改服務欄位的ip頭類型。
  7. For example, the attacker could send a datagram from host a to host b, but use the ip address of host c in the datagram header s source address field

    例如，攻擊者可以從主機a向主機b發送數據報，但在該數據報頭的源地址欄位使用主機c的ip地址。
  8. The next header field indicates the extension header type if present or the protocol above the ip layer, for example, tcp or udp

    「下一標頭」欄位指示擴展標頭類型（如果存在的話）或者ip層之上的協議（例如， tcp或udp ） 。
  9. Example 1 - 5. you can see the fields of an ip packet ' s header and the values contained in each field in this protocol analyzer display

    填充欄位通過在選擇欄位後面添加0來補足32位，這樣保持了頭長度是32比特的倍數。圖1 - 5顯示了協議分析議捕獲的ip包頭的信息可以同圖1 - 2做一個比較。
  10. Like the ip datagram, the tcp segment consists of a header portion, an optional options section, and the data portion

    與ip數據報類似， tcp段包含頭部分、可選（選項）部分和數據部分。
  11. Every ip datagram contains a field in its header - called a " time to live field " - which indicates how much longer the datagram is to remain on the internet before it is discarded

    每個ip數據報頭中都包含一個欄位稱為「生存時間欄位」它指出數據報在被丟棄之前還能在因特網上保持多久。
  12. Set the ip header time - to - live field

    設置ip頭生存時間欄位。
  13. Indicates that the application provides the ip header for outgoing datagrams

    指示應用程序為輸出數據報提供ip頭。
  14. Functioning at the network layer of the open systems interconnection model, the packet - encryption device at the originating site encrypts the entire packet, including the ip header, and provides it with a new header

    由於是在「開放系統互連」模型的網路層上起作用的，始發站上的包加密裝置對整個包加密，包括ip報頭，都提供一個擁有新報頭的包。
  15. If the gateway processing a datagram determines that the time to live field in the datagram s ip header is 0, it discards the datagram and notifies the sending host with a

    如果處理數據報的網關測定該數據報ip頭中的生存時間欄位為0 ，則丟棄該數據報並用
  16. However, icmp is an integral part of ip - which basically means that icmp packets use the ip header for transmission - and must be implemented by every ip module

    但是， icmp是ip的組成部分這基本上意味著icmp包將ip頭用於傳輸而且icmp必須由每個ip模塊實現。
  17. The software can change the values within a number of the fields shown in the ip header, tcp header, udp header not shown, and icmp header not shown, as we will see soon

    我們將會看到， ipchains軟體可以改變ip報頭、 tcp報頭、 udp報頭（未顯示）和icmp報頭內的一些域值
  18. A series of basic functions are performed in the chapter 4, includes microengine initialization, packet receive processing, exception process, mac and ip header processing, ip forwarding, and packet transmit processing, etc. these functions build a basic data path for the whole system

    第四章中實現一系列最基本的功能，包括微引擎初始化，包接收處理，異常處理， mac及ip頭部處理， ip轉發以及包發送處理等。這些功能為整個系統建立起一條基本的數據通路。
  19. Ipv6 is the next ip protocol, which have authentication header ( ah ) and encrypted security payload ( esp ). ah can affirm the ip information package ' s reliability and integrality and esp can encrypt and encapsulate the data

    Ipv6是下一代的ip協議，其中的認證報頭（ ah ）可用來確認ip信息包的可靠性和完整性，加密的安全有效負載報頭（ esp ）可同來提供數據的加密封裝。
  20. This new, readable header is simply the ip address of the security device belonging to the destination site

    這個新的可讀報頭只是屬于終點站上安全裝置的ip地址。
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