Categories
Security
Public Wi-Fi: How to Use it Safely - Prepare Your Digital Shield
Learn how to safely use the internet on public Wi-Fi. Discover the importance of using a VPN, how to set it up, and various security measures such as HTTPS and firewalls at a glance.
Public Wi-Fi: The Sweet Temptation with Hidden Shadows – Is Your Data Safe?
Are you carelessly connecting to free Wi-Fi at cafés, hotels, and airports? Public Wi-Fi is convenient, but serious security threats like data sniffing, man-in-the-middle attacks, and session hijacking lurk beneath. This article highlights the dangers of public Wi-Fi through real examples and details how our information can be exposed.
Web Crawling Bots: Distinguishing Beneficial Entities from Harmful Intruders
Over half of the traffic to websites is generated by bots. Learn how to differentiate between beneficial search engine bots and malicious ones, and effectively defend using strategies from web server log analysis to Honeypots.
Managing Server Files via SSH without Terminal: Utilizing SFTP and GUI File Explorers!
Is the terminal cumbersome? By utilizing SFTP and GUI file explorers, managing server files can be as easy as a mouse click! Find practical examples and setup instructions using Ubuntu Nautilus.
First Steps in Automating SSH Connections: Mastering the Config File
Manage your frequently used SSH connection information like bookmarks with the .ssh/config file! This practical guide is perfectly organized with configuration examples and option descriptions.
SSH Reverse Port Forwarding: The Magic of Connecting from External to Internal (feat. -R option)
Learn how to expose your local development server using reverse port forwarding! This practical guide covers everything from the principle of the SSH -R option to useful examples for developers.
How to Use SSH: Mastering Commands and Useful Options!
Are you still copying and pasting for SSH access? From command format to practical options you can use right away, here’s a complete guide to using SSH effectively!
SSH Keygen: The Perfect Guide for Beginners
Don't know what SSH keys are or how to use them? This guide kindly explains how to use ssh-keygen and how to choose between Ed25519 and RSA keys for beginners.
Effective Operation of Fail2Ban: Practical Security Strategies to Avoid Excessive IP Banning
Banning 1,100 IPs in 3 weeks? Fail2Ban's effectiveness is strong, but excessive settings can slow down the server. Discover efficient operation know-how through real-world cases.
The Guardian of Your Linux Server: Fail2Ban
How to enhance your Linux server security using Fail2Ban. Detailed guidance on installation, configuration examples, monitoring, and permanent blocking.