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This article will explain in detail what sshd means in linux. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

In linux, sshd is a client software that can open shell services in hosts over the network; sshd services can be used to remotely control or transfer files between computers using the SSH protocol, and sshd uses encrypted transfers, which is much more secure than telnet files transferred in clear text.

The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

What is sshd in linux

Sshd=secure shell

The shell service can be enabled in the host through the network

Connection method:

Ssh username@ip text mode link ssh-X username@ip can boot graphics after a successful connection

Sshd is provided by OpenSSH

SSH protocol: Secure Shell, secure shell protocol.

SSH is a security protocol based on application layer and transport layer.

Sshd services can be used to remotely control or transfer files between computers using the SSH protocol.

Sshd uses encrypted transfer, which is much more secure than telnet, which uses clear text to transfer files.

Sshd profile

/ etc/ssh/sshd_config

If there is no space between the beginning of the pound sign and the following parameters, it indicates the default value and is in effect.

If there is a space at the beginning and after the pound sign, it indicates a pure comment.

Port

Default port 22, public network production environment needs to be modified

Port 22

Use the parameter to specify a port to connect to a non-22 default port [- p port]

Ssh-p 1234 root@10.0.0.88

Listening address

The default value is all addresses of all network cards.

Can be modified to specify IP

# ListenAddress 0.0.0.0#ListenAddress:: this is the end of the article on "what is the meaning of sshd in linux". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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