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This article introduces how to prohibit users from logging in ssh and sftp in CentOS. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.

1. Open the configuration file of sshd

Vi/etc/ssh/sshd_config

2. Modify the configuration file by adding or modifying the following line

# prohibit user user1 login, multiple space separated DenyUsers user1# forbids all users of user group group1 to log in, and multiple spaces separate DenyGroups group1

3. Restart sshd after saving the configuration

/ etc/rc.d/init.d/sshd restart

After the above configuration is completed, users of users or user groups can be prohibited from logging in. The two in step 2 can be filled in only one, and can be adjusted as needed. Once configured, test it on other linux machines using the following command:

# use ssh to test [root@ServerA ~] # ssh user1@192.168.1.168user1@192.168.1.168's password: Permission denied, please try again.# use sftp test [root@ServerA ~] # sftp user1@192.168.1.168user1@192.168.1.168's password: Permission denied, please try again. On how to prohibit users in CentOS ssh and sftp login to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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