How do I allow specific users in SSH?

How do I allow specific users in SSH?

Restrict certain users log onto a system via SSH server

1. Step # 1: Open sshd_config file. # vi /etc/ssh/sshd_config.
2. Step # 2: Add a user. Only allow user vivek to login by adding following line: AllowUsers vivek.
3. Step # 3: Restart sshd. Save and close the file.

How do I allow a user to SSH in Ubuntu?

SSH Configuration Options

1. Open your SSH configuration file with the command: sudo gedit /etc/ssh/sshd_config.
2. When prompted, type in your password and press y (yes) to permit the installation.)
3. Then replace “gedit ” with “nano” type in the command: sudo nano /etc/ssh/sshd_config.

How do I know if I have ssh access?

To Test the SSH Setup on a Host

1. From another host, use SSH to log in into the host that you are testing as the SSH user. $ ssh -l user-name host-name user-name. The user name for the SSH user’s account on the host.
2. In response to the prompt, type your password. If this step succeeds, your setup of SSH is complete.

How do I restrict access to ssh?

HOWTO: Restrict ssh access by IP Address and/or username

1. Edit the /etc/hosts. allow file to include these lines, assuming your machine is on the 192.168.
2. Edit your /etc/hosts.deny file to include this line: sshd,sshdfwd-X11:ALL.
3. These lines refuse SSH connections from anyone not in the IP address blocks listed.

How do I restrict access to SSH?

How to allow SSH access to a particular user?

To allow SSH access for a particular user, for example sk, edit sshd_config file: Press “i” to enter into insert mode and add or modify the following line: Replace “sk” with your username. Please mind the space indentation between “AllowUsers” and “sk”.

How to use allowgroups and allowusers in SSH?

If the pattern takes the form USER@HOST then USER and HOST are separately checked, restricting logins to particular users from particular hosts. HOST criteria may additionally contain addresses to match in CIDR address/masklen format. AllowGroups doesn’t accept the USER@HOST form. AllowGroups doesn’t accept the USER@HOST form.

How to allow or deny SSH access in Linux?

Allow Or Deny SSH Access To A Particular User Or Group In Linux. 1 1. Allow SSH Access to a user or group. To allow SSH access for a particular user, for example sk, edit sshd_config file: Press “i” to enter into 2 2. Deny SSH Access to a user or group. 3 3. Disable SSH Root Login.

Who is allowed to SSH into my Linux server?

Restart SSH service to take effect the changes. Now, the user sk and all the members of the “root” group are allowed to ssh into your Linux server. The other users (except sk and members of “root” group) are not allowed to access the system via ssh.