Security & Privacy



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

  • August 18, 2026, 11:51:31

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.)?

  • August 14, 2026, 12:11:06

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,...

How to Protect Your Website from Bots, Scrapers, and Automated Threats in 2026

  • July 29, 2026, 12:22:11

Greetings, friends!According to network traffic statistics, internet background noise is composed of more than 50% automated system activity. While you work on optimizing conversion rates and refining...

Setting up a Self-Hosted Password Manager: Vaultwarden on Ubuntu 24.04

  • July 09, 2026, 12:55:14

Greetings, friends!Are you familiar with that feeling of slight anxiety when you entrust all your critical passwords, access keys, and payment data to commercial cloud managers? In recent years, major...

Analyzing server logs: How do you know if someone is trying to hack you?

  • June 30, 2026, 02:43:05

Greetings, friends!When you rent a VPS and deploy a project on it, it might seem like the system is in complete silence until real users visit the site. But as soon as you open the raw system logs, th...