Disable the SSH access permission for the newly created account under CentOS

Sometimes we need to create a user-defined account. Generally, the newly created account can log on to the server using the ssh tool. to improve security, we must disable the SSH login permission for this account. 1. create an account and directly disable logon to useraddkwxgd-s/sbin/nologinSSH to execute the preceding commands. create a new account named kwxgd and grant the login prohibited permission. II. set password p

Sometimes we need to create a user-defined account. Generally, the newly created account can log on to the server using the ssh tool. to improve security, we must disable the SSH login permission for this account.

 

1. create an account and directly disable logon

useradd kwxgd -s /sbin/nologin

Run the preceding commands in SSH to create an account named kwxgd and grant the login prohibited permission.

2. set the password

passwd kwxgd

Run the preceding command in SSH to add the password for "kwxgd.

3. what should I do if I forget to set permissions if I have added an account?
1. edit a file

vi /etc/passwd

2. find the corresponding user name and modify the login configuration

The default write parameters are:/bin/bash, which can be changed to/sbin/nologin in format.

After modification and save, it will be OK.