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This article mainly introduces how to check whether ip and port can be connected, the article is very detailed, has a certain reference value, interested friends must read it!

Windows cmd

Telnet

Format:

Telnet ip port

Case:

Telnet 191.1.1.1 8080

Telnet cannot add http://

Domain name is not supported by telnet

The default port for telnet is 23

Telnet connects ip and port with spaces "" instead of colons ":"

If you cannot connect, you will be prompted that the connection failed, otherwise if there is a large blank and inoperable interface in the cmd, the connection is successful.

Ping

Format:

Ping ip or domain:port

Case:

Ping 191.1.1.1:8080

Ping cannot add http://

Ping supports domain names

The default port for ping is 80

Ping connections ip and port are colons ":"

If it cannot be connected, it will prompt the connection to fail, otherwise prompt how many bytes to send and receive, a total of four rounds of sending and receiving.

The above is all the contents of the article "how to detect whether ip and port can be connected". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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