Security

Linux is widely regarded as one of the most secure operating systems available — but "secure by default" does not mean "secure forever." Misconfigured SSH access, unpatched packages, overly permissive file permissions, and unnecessary open ports can transform a powerful…

When most system administrators think about hardening a Linux server, they focus on the fundamentals: keeping packages up to date, configuring firewall rules, and restricting SSH access. These are all valid and necessary steps — but they leave a significant…

If you administer Linux or Unix systems from a Windows machine, three capabilities are non-negotiable: a secure terminal, reliable file transfer, and sane key management. PuTTY delivers all three in a single GUI bundle, while OpenSSH provides the same core…

When you provision a fresh Linux server — whether it's a VPS, a dedicated server, or a cloud-hosted virtual machine — the system boots into a deliberately minimalist and hardened environment. This is not an oversight or an incomplete setup.…

If you've recently purchased a Dedicated Server based on the Apple Mac Mini M1 from AlexHost, this comprehensive guide will walk you through everything you need to know to establish a secure, reliable remote desktop connection using RealVNC — the…

Monitoring open and listening ports on a Linux system is one of the most fundamental practices for maintaining server security, diagnosing network issues, and managing your infrastructure effectively. Whether you are running a production web server, a VPS Hosting environment,…

Keeping your IP address off spam blacklists is critical for email deliverability, service reputation, and uninterrupted operations. Whether you run a mail server, a SaaS platform, or a web application, a single blacklist entry can silently block your outbound emails…

Distributed Denial of Service (DDoS) attacks remain one of the most disruptive and costly threats facing online businesses, web applications, and hosting infrastructure today. Whether you run a small e-commerce site or manage enterprise-level servers, understanding how DDoS attacks work…

In an era where cyberattacks, spam campaigns, and phishing schemes are growing more sophisticated by the day, choosing the right hosting environment is no longer just a technical decision — it's a critical business one. Secure hosting has emerged as…

Secure Sockets Layer (SSL) is a cryptographic protocol designed to establish an encrypted, authenticated link between a web server and a client — most commonly a web browser. Its core function is to ensure that every byte of data transmitted…