TCP/IP端口列表

目录·端口状态颜色图例
·0到1023号端口
·Ports 1024 to 49151
·49152到65535号端口



不同的通信协定,都有不同的对应端口。所以,利用短信(datagram)的UDP,所采用的端口号码不一定和采用TCP的端口号码一样。以下为两种通信协定的端口列表连结:



端口状态颜色图例

以下方块,以如下颜色和标签,标明了端口的状态:

官方 应用与端口组合记录在IANA的端口分配列表中;


非官方 应用与端口组合不在IANA的端口分配列表中;以及


冲突 如果端口被两种应用或协议广泛使用。


0到1023号端口

以下列表仅列出常用编号,详细的列表请参阅IANA网站。


Ports 1024 to 49151

Only those ports that are commonly used are listed, refer to the IANA site for the full list.
When investigating TCP traffic, be careful not to confuse the client and server ports. The client port is incremental, typically beginning at 1024 at boot time and wrapping at 4096. If the port you are investigating is in the lower part of this range, it may be a client port. Stateful firewalls identify the server port, but packet sniffers and stateless firewalls do not. For example, a packet sniffer showing a TCP packet with source port 1080 and destination port 1494 might be SOCKS or Citrix-ICA. The only way to know for sure is to examine the initial TCP handshake.
With UDP, client port selection depends on the application and may be incremental, fixed to a nonsensical value, or fixed equal to the server port.


49152到65535号端口

根据定义,该段端口属于“动态端口”范围,没有端口可以被正式地注册占用。 [5]







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