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On this page
  • MindMap
  • 协议分层
  • TCP/IP的分层
  • IP地址
  • 封装
  • 分用
  • 端口号

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  1. Reading
  2. Awesome CS Books
  3. tcpv1

ch01: Introduction

Previoustcpv1Nextch02: Link Layer

Last updated 4 years ago

Was this helpful?

MindMap

协议分层

TCP/IP的分层

IP地址

Class

Range

A

0.0.0.0 to 127.255.255.255

B

128.0.0.0 to 191.255.255.255

C

192.0.0.0 to 223.255.255.255

D

224.0.0.0 to 239.255.255.255

E

240.0.0.0 to 255.255.255.255

封装

分用

端口号

常用的端口号存放在/etc/services文件中：

grep telnet /etc/services    # 查看telnet端口号
grep domain /etc/services    # 查看DNS端口号
image-20200610191031099
image-20200610191306231
image-20200610191325214
image-20200610191351841
Introduction