Security & Privacy



How to Install and Securely Configure VNC Server on Ubuntu 26.04 VPS with Xfce and SSH Tunnel

Greetings, friends!Most system administrators and software developers are accustomed to managing Virtual Private Servers (VPS) exclusively through the SSH command line. However, there is a wide range ...

Self-Hosted TeamViewer Alternative: How to Deploy a Private RustDesk Server and Client on Linux VPS?

Greetings, friends!Over recent years, remote desktop tools like TeamViewer and AnyDesk have tightened their corporate policies, introduced free usage limits, and restricted access across various regio...

How to Secure Your Server with UFW and iptables: A Beginner's Guide to Linux Firewalls

Greetings, friends!Configuring a network firewall is the primary and most vital step in securing any virtual server. Unprotected and open network ports quickly become targets for automated scanners, b...

How to protect the server from hacking: Setting up 2FA via Google Authenticator PAM

Greetings, friends!In modern realities, classical password protection or SSH key authorization is no longer enough if an administrator's account becomes compromised. Implementing Two-Factor Authentica...

What should I do if the server's IP is blacklisted (Spamhaus, etc.)?

Suppose you have set up a mail server, prepared an important B2B email campaign with commercial proposals for client leads, or launched automated order notifications for an online store. But suddenly,...