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#Debian enable ssh install
#Debian enable ssh update

To apply these changes, restart the SSH service: sudo systemctl restart sshd However, even if you connect without a password, root login is not recommended: if keys are compromised, your entire host is compromised.Īs a consequence, you can set this option to “ no” in order to restrict it completely.Īgain open the SSH server config file on Debian 11: sudo vi /etc/ssh/sshd_configįind the line below and set it to no: PermitRootLogin no In short, you need to set up SSH keys and use them in order to connect as a root.

This option means that all interactive authentication methods are banned, allowing only public keys to be used. Disable Root Login on your SSH Serverīy default, on recent distributions, root login is set to “prohibit-password”. Note: Be careful when you change your default SSH port, you will have to specify it when connecting to it. When you are done, save and close the file. Open the sshd_config file with your favorite text editor, here we use vi: sudo vi /etc/ssh/sshd_configįind the port line, and change it to your desired value, here we change it to 2222: Port 2222 To secure your SSH server, it’s recommended to change the SSH default port on Debian 11. In this tutorial, we are going to focus on the server part of the configuration. It is used for example to define the reachable SSH port or to deny specific users from communicating with your server.

sshd_config: is used in order to configure your SSH server.

It means that it defines rules that are applied every time you use SSH to connect to a remote host or to transfer files between hosts

ssh_config: is used in order to configure SSH clients.

In this directory, you are going to find many different files and folders, but the most important ones are : Now you can check your UFW status: sudo ufw status OutputĢ2/tcp (v6) ALLOW Anywhere (v6) Configure SSH Server on Debian 11Īs you know, SSH configuration files are located in the /etc/ssh folder. To enable SSH connections on your Debian 11, run the command below: sudo ufw allow ssh Tcp6 0 0 :::22 :::* LISTEN 1161/sshd: /usr/sbiĪt this point, you need to allow SSH traffic on the UFW firewall. You can check that the SSH server is listening on port 22 with the netstat command: netstat -tulpn | grep 22 Output └─1161 sshd: /usr/sbin/sshd -D 0 of 10-100 startupsīy default, your SSH server is listening on port 22 (which is the default SSH port).

Process: 1160 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS)

Loaded: loaded (/lib/systemd/system/ssh.service enabled vendor preset: e>Īctive: active ( running) since Sat 05:34:51 EST 3s ago ssh.service - OpenBSD Secure Shell server.When your installation is completed, enable your service to start on boot: sudo systemctl enable ssh Check SSH StatusĬheck your SSH status with the command below: sudo systemctl status sshd

#Debian enable ssh install

Then, use the command below to install OpenSSH: sudo apt install openssh-server Note: This information does not mean that you have an SSH server running on your server, it only means that you are currently able to connect as a client to SSH servers. To verify this, run the command below: ssh -V Output

#Debian enable ssh update

Verify SSH Installation on Debian 11įirst, you need to update your local package index with the command below: sudo apt updateīy default, SSH is installed on Debian 11. To do this, you can follow our guide the Initial Server Setup with Debian 11. To complete this guide, you must log in to your server as a non-root user with sudo privileges and set up a basic firewall. Steps To Enable and Configure SSH on Debian 11