Detect intruders on your WiFi network using console commands
Learn how to detect intruders on your WiFi using console commands in Windows and Linux, nmap, ARP and more, step by step and with real examples.
Internet and Networks
How to set up a trusted VPN on your router with OpenVPN
Learn how to set up a secure VPN on your router with OpenVPN, avoid IP and port errors, and protect your entire home or office network.
How to mount network drives as local disks in Windows
Learn how to map network drives as local disks in Windows, alternatives like FTP/WebDAV, and how to avoid errors and security problems.
How to set up a DMZ on your home or business network
Learn what a DMZ is, what it's for, and how to configure it on your router without compromising your network security.
How to optimize TCP/IP and your network to reduce latency in games
Learn how to adjust TCP/IP, router, DNS, and WiFi to minimize latency and ping in your online games and gain stability.
How to use Pi-hole on a Raspberry Pi to block ads
Learn how to use Pi-hole on a Raspberry Pi to block ads and trackers across your entire network step by step and with advanced options.
Audit the security of your local network with Nmap and Wireshark
Learn how to audit your local network with Nmap and Wireshark: detect open ports, insecure services, and analyze traffic to improve security.
Configure port isolation on the Hyper-V virtual switch
Learn how to configure port isolation in Hyper-V with VLAN, NAT, ACLs, and port profiles to improve security and performance.
Do torrent downloads require an additional checksum?
Find out if torrent downloads need an extra checksum, when to use SHA-256, and how to verify your files without errors.
Slow VPN: Real Causes and How to Restore Speed
Is your VPN running very slowly? Discover the real causes, effective tricks, and what to change to regain speed without sacrificing security.
What is Quantum Internet and why will it change the web?
Discover what Quantum Internet is, how it works, and why it will be key to the security and communications of the future.
Introduction to Software-Defined Networking (SDN) for Offices
Discover what SDN is, its architecture, and its advantages for offices. Learn how it improves security, agility, and costs compared to traditional networks.
Complete guide to advanced Google search
Learn how to use Google's advanced search: operators, filters, file types, and practical tricks to find exactly what you need.
What is ECH for and why is it changing how websites are blocked?
Discover what ECH is for, how it hides the domain you visit, and why it complicates website blocking while improving your online privacy.
Information that a VPN doesn't protect and risks you still face
Discover what information a VPN doesn't protect, its real limitations, and how to complement your online security so you're not vulnerable on the internet.
Using the ifconfig and route commands in Linux and their replacement iproute2
Learn how to use ifconfig and route and its replacement iproute2 in Linux: interfaces, routes, ARP, multiple tables and advanced routing explained step by step.
What is Cloudflare and controversies surrounding its outages and blockages
Discover what Cloudflare is, how it accelerates and protects websites, why its outages take down half the internet, and the controversies surrounding blocking and challenges.
How to install and configure SolarWinds step by step
Learn how to install and configure SolarWinds and its SFTP server, with clear steps, security, and licenses explained in detail.
Website to view the map with active and recent V16 beacons in Spain
Discover the website to see the real-time map of active V16 beacons in Spain, how it works, its advantages, risks and relationship with the DGT (Spanish Directorate General of Traffic).
How to connect VLC Media Player to a NAS and play all your content without transcoding
Learn how to connect VLC to your local and remote Synology or QNAP NAS, without transcoding and with smooth 4K.
Complete tutorial on netsh trace in Windows
Learn to master netsh trace on Windows: captures, filters, scenarios, and ETL file analysis made easy.
What is DSCP (Differentiated Services Code Point) and how does it work?
Discover what DSCP is, how it works in the IP header, and how it is used to prioritize voice, video, and data with QoS in modern networks.
Common problems accessing the Government's electronic headquarters website
Discover why the online portal is failing and how to fix Java, certificates, cl@ve and Autofirma to complete your procedures without errors.
How to configure VLANs in Windows 11 and Windows Server step by step
Learn how to configure VLANs in Windows 11 and Windows Server: Virtual NICs, Hyper-V, PowerShell, and Intel or Realtek drivers step by step.
Ways to get Cl@ve: a complete guide to registering and using it
Discover all the ways to get Cl@ve, registration levels and access types to carry out online procedures with the Administration without complications.
Map WiFi interference and choose channels with free tools
Discover how to map WiFi interference and choose the best channel with free tools to gain speed, stability, and coverage on your network.
Discover printers and ports using WMI and basic SNMP
Learn how to discover printers and ports using WMI and SNMP, key ports, and best practices for network monitoring and security.
How to flash firmware on routers from Windows without bricking them
Complete guide to flashing firmware on routers from Windows without bricking, with recovery methods and alternative firmwares.
How to update the firmware of a WD My Cloud NAS step by step
Complete guide to updating the firmware of your WD My Cloud NAS: OS 3, OS 5 and My Cloud Home, with key steps, warnings and tips.
What is NetBIOS and its modern alternatives DNS and mDNS
Discover what NetBIOS is, its risks, and how to replace it with DNS and mDNS for a more secure and modern local network.
How to configure NIC Teaming in Windows 11 step by step
Learn how to configure NIC Teaming in Windows 11, its limits, PowerShell commands, and real alternatives to gain bandwidth and high availability.
What is Windows QoS Packet Scheduler and how to take advantage of it
Discover what Windows QoS Packet Scheduler is, how it works with QoS, DSCP, and Hyper-V, and whether it actually reserves bandwidth or improves your network.
What is the European Digital Identity and how will it change your procedures?
Discover what European Digital Identity is, how the EUDI Wallet works, and what changes it will bring to procedures, security, and privacy across the EU.
Advantages and disadvantages of annual payments for internet service
Find out if paying your internet bill annually is worth it: real savings, risks, fine print, and better monthly alternatives.
Missing Privacy Policy, Terms and Cookies: Signs of a fraudulent online store
Discover how the lack of a privacy policy, terms and cookies exposes fake online stores and what to check to avoid falling for a scam.
What is a network access point (AP), how does it work, and what is it used for?
Discover what a network access point (AP) is, how it works, its types, uses, and advantages over a router to improve your Wi-Fi coverage and security.
How to optimize images for use on websites to improve speed and SEO
Learn how to optimize images for the web: formats, compression, SEO, plugins, and tricks to speed up your site and improve its ranking.
How the Internet arrived in Spain and its impact on our lives
Discover how the first internet connection in Spain was made and how the network has transformed society to become a key infrastructure.
Cloudflare's latest global outage leaves half the internet in jeopardy
A massive Cloudflare outage has left websites, banks, games, and online stores without service in Spain and Europe. Learn about the extent and reasons for the outage.
Configure DNS on Android step by step
Learn how to configure DNS on Android step by step to gain speed, privacy, and security when browsing from your mobile phone or tablet.
Share files securely with SMB over QUIC
Learn how to use SMB over QUIC to securely share files over the Internet without a VPN, with TLS encryption, access control, and high performance.
What are Gaming VPNs and how do they affect your online games?
Discover what a Gaming VPN is, when it improves your online experience, how it affects ping, and what you should look for to choose the best option.
Persistent Memory Storage (PMEM): What it is and how to use it
Discover what persistent memory (PMEM) is, how it works, and how it differs from DRAM, SSD, and NVMe to speed up your systems.
What is the router port used for and how to get the most out of it
Discover what the router port is for, how to open it safely, and how to take advantage of LAN, WAN, and USB to improve your home network.
Differences between TCP and UDP ports and when to use each one
Discover the differences between TCP and UDP ports, their real uses, advantages, risks, and how to choose the right protocol in each case.
Types of military satellites and what they are used for
Types of military satellites, missions, key technologies, and market trends. Real-world examples and why they are crucial today.
DGT passwords revealed on Telecinco News: context, flaws and lessons learned
Telecinco displayed DGT credentials on screen: context, risks, and what it means for your data. Discover the details now.
Countries that allow online voting: map, models and debates
Discover where you can vote online, which countries use it, its advantages and risks, and the situation in Spain. A clear and up-to-date guide.
Why your internet doesn't speed up when you increase your plan, and how to find out.
You pay for more speed and get the same. Discover bottlenecks in your router, cables, Wi-Fi, and device, and how to fix them quickly.
How to update your router's firmware: a complete, risk-free guide
Guide to updating your router's firmware: security, brand-specific methods, and tips. Avoid errors and keep your network up to date.