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Pablo Gallardo's Blog
My professional web log about IT, Cybersecurity & Project Management
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Anonymity Networks

This post lists some anonymity networks: Tor / Onionland FreeNet I2P   External references “Anonymity Networks. Don’t use one, use all them!“; Chi Square

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List of VPN Protocols

This post summarizes the most common VPN (Virtual Private Network) protocols: PPTP L2TP SSH OpenVPN IPsec External references “CISSP 9th Edition”, Chapter 12

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How to crack WPA2

Wi-Fi Protected Access 2 (WPA2) is one of the most widespread security standards for wireless networks. It has been replaced by more recent WPA3, but as of 2021 WPA2 is still more spread. This post explains briefly what is WPA2, its vulnerabilities, how to strengthen a WPA2 network and how to crack it. What is […]

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How to check which Devices are connected to a Network

Do you thing an outsider is using your network?   How to see which Devices are connected to a Network Method 1: Check it from router For this method, you need to have access to the router, and know its credentials. Then, you need to find out your internal router address while in your network. […]

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Internet Connection Types

This is a non-extensive list of internet connection types: Dynamic IP PPPoE Static IP L2TP PPTP DS-Lite

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Difference between Wi-Fi Range Extender and Mesh Network

What is a Wi-Fi Range Extender? A Wi-Fi range extender, also know as a Wi-Fi Booster or Wi-Fi repeater, is a device with two Wi-Fi radios that connects to a network while it rebroadcast what it receives. What is a Wi-Fi Mesh Network? A Wi-Fi mesh network, also know as mesh Wi-Fi system, is a […]

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Free VPN

List of free VPN services: Linux Fu VPN VPN Gate Tor HideMyAss Free Web Proxy SwitchVPN VyprVPN Linux Fu VPN VPN Gate Tor Free web proxies HideMyAss Free Web Proxy SwitchVPN VyprVPN

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Self-signed Certificates

Self-signed certificates are widely used for testing purposes. In self-signed certificates, user creates a pair of public and private keys using a certificate creation tool and signs the document with the public key. The receiver requests the sender for the private key to verify the certificate. However, the certificate verification rarely occurs due to necessity […]

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How to identify the Model of a wireless Router in Linux

This post explains how can we identify the model of a wireless router using Linux.   Step by step 1. Set your wireless adapter in monitor mode Check this post about how to put a wireless adapter in monitor mode in Linux. This step includes identifying the ID of the wireless you are going to […]

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How to set your Wireless Adapter to Monitor Mode in Linux

Wireless network interface controllers (WNIC’s) can operate in different modes: Managed mode: the only packets that are received in the computer are the one directed to it. Promiscuous mode: it is a listening mode that exists for both wired and wireless adapters. Monitor mode: a listening mode that only exists for wireless adapters. When we […]

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