By default, the SSH server runs on port 22. However, there are occasions when it is run in a different port. The -p  option can specify the port number to connect to when using the ssh command on Linux. For example, if you want to access a remote server that listens on port 2222, then...

SSH tunneling or SSH port forwarding is a method of creating an encrypted SSH connection between a client and a server machine through which services ports can be relayed. Local SSH Tunnel with Port Forwarding You can use a local ssh tunnel when you want to get to a resource...

SSH is used for logging into servers to run the commands and programs remotely. However, sometimes you might want or even need to automatically log in to an SSH server without entering your username and password. The two most popular mechanisms to log into remote systems via SSH are password-based authentication and key-based authentication. Username...

Password authentication is the default method most SSH clients use to authenticate with remote servers, but it suffers from potential security vulnerabilities like brute-force login attempts. An alternative to password authentication is using authentication with SSH key pair, in which you generate an SSH key and store it on your computer....

Secure Shell (SSH), a protocol widely used for secure remote login from one computer to another, offers robust encryption to protect against unauthorized access. However, with the increasing sophistication of cyber threats, relying solely on traditional password-based authentication can leave systems vulnerable to brute-force attacks and password theft. This is...

In today’s IT world, data protection is not just a necessity—it’s a critical part of business continuity. With the growing threat of ransomware, hybrid environments, and cloud adoption, organizations need a reliable and cost-effective backup solution. NAKIVO Backup & Replication 11.1 delivers just that, combining performance, flexibility, and enhanced security...

What’s SSHGuard?SSHGuard vs Fail2Ban: Key DifferencesDefault Services Monitored:Ease of Configuration:Installing SSHGuard on LinuxFedoraConfigure SSHGuardSSHGuard Configuration When Using UFW/nftablesSSHGuard Configuration When Using iptablesSSHGuard Configuration When Using firewalldWhitelisting IP Addresses SSH (Secure Shell) serves as a critical entry point to your server, offering a powerful, encrypted method of remote administration. However, its...

Knowing who and when logs to your Linux server via SSH is always a good idea. Even if you’re the only one with access, it’s good practice to keep an eye on connections. For teams or production systems, getting notified about SSH logins adds an extra layer of awareness and...

In the last post in this series, we deployed the VMware Cloud Foundation 9 Installer & configured the offline depot. We can now proceed with the VCF 9 Deployment Wizard. Part 1 – Physical ESXi Host ConfigurationPart 2 – Deploying the VCF 9 Installer & Offline DepotPart 3 – Deploying...

In the previous part of this VCF series, we ran through some basic prerequisites and deployed the embedded ESXi hostsThis is a multi-part post. You can find the index of all the posts here: Part 1 – Physical ESXi Host ConfigurationPart 2 – Deploying the VCF 9 Installer & Offline...