How do I whitelist an IP address in ssh?

How do I whitelist an IP address in ssh?

Whitelist IP Address

  1. Connect to your server via SSH as the ‘root’ user.
  2. Run the following command, but be sure to replace the example IP address (123.45. 67.89) with the address you want to whitelist. /scripts/cphulkdwhitelist 123.45.67.89. You will then see a response similar to the following:

How do I allow users to ssh?

Allow SSH Access to a user or group You should use Tab instead of Space-bar. Meaning – add the word “AllowUsers” and hit the Tab key and then specify the username. You can also specify more than one user as shown below. This setting will allow all the members of the “root” group to ssh to the Linux server.

How do I stop ssh connection to a specific server?

Procedure for disabling SSH login for root user

  1. Log in to the Linux or Unix server using ssh: ssh user@your-server.
  2. Edit the /etc/ssh/sshd_config file using vi.
  3. Set PermitRootLogin no to disable SSH logins for root.
  4. Save and close the file.
  5. Reload sshd server in order to deny root log in.

What is SSH config file?

Your SSH config file allows you to define specific settings for each SSH host that makes connecting to that host far easier. By defining many of these common, or uncommon, properties within the file, it eliminates the need to remember this parameter set each and every time a connection is needed.

How to allow an IP address for SSH connection?

We can control the SSH connection to a server by using the following files: How to allow an IP address for SSH connection? Step 1 : SSH to server as root user. Step 2 : Open /etc/hosts.allow file using your favorite text editor. sshd : 33.*.*.* sshd : 66.66.*.*

How to allow or deny SSH access in Linux?

Allow Or Deny SSH Access To A Particular User Or Group In Linux 1 Allow SSH Access to a user or group To allow SSH access for a particular user, for example sk, edit sshd_config… 2 Deny SSH Access to a user or group To disable or deny SSH access to an user or group, you need to add/modify the… 3 Disable SSH Root Login More

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”.

Who is allowed to SSH into a Linux server?

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.

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