how to deny webuser ssh to Server?

[looking_s]

Hello, everyone，my English is no good,I used Centos 4.8 ,I want to deny webuser ssh to Sever,I already Modify /etc/default/useradd SEHLLS=/usr/bin/nologin ,but the shell are /bash/bin that the newly create user ,Can you tell me to do?

 

[scsi]

Do you use directadmin? Why are you using an outdated OS?

 

[looking_s]

Do you use directadmin? Why are you using an outdated OS?

yes ,Thank you,I already installed the directadmin,but I believe have no effect whith use outdated OS.

 

[zEitEr]

Update your /etc/ssh/sshd_config to allow only admin, what else user you want to allow to login via SSH.

AllowUsers admin

additionally you might want to change it's port to something different.