SPF, DKIM & DMARC explained
Anyone can put your name on an envelope Email was designed in a more trusting age. The protocols that carry it were written when the internet was a small club…
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Juniper SRX Cluster Failover Tuning
If you check Juniper configuration guide for SRX firewall clustering, there will be a default example of redundancy-group weight values which are fine if you have one Uplink towards outside…
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Essential Information for Network Administrators
Remote Desktop Protocol (RDP) is a key tool for many IT professionals and remote workers. It allows users to connect to other computers (mainly used on Windows OS computers) over…
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How to Configure Network Interfaces in Linux
Networking is an essential part of any Linux system. Proper networking allows communication between devices and the internet. Understanding the network interface is vital when setting up servers, solving connectivity…
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Fingerprint Web Apps & Servers for Better Recon & More Successful Hacks :: Null Byte
Web applications are ubiquitous in the modern online world, and knowing how to attack them is an increasingly valuable skill. But the key to a successful attack is good recon…
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Cisco ACI – Configuring by POSTing JSON
If you are configuring Cisco ACI datacenter fabric it will sooner or later get to the point that you need to configure multiple objects inside the GUI which will, by…
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What is QUIC – This Modern Internet Protocol Makes Firewalls Blind
QUIC (Quick UDP Internet Connections) is a new generation Internet protocol that speeds online web applications that are susceptible to delay, such as searching, video streaming etc., by reducing the…
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The Data Communication and Networking Handbook
When I was beginning to learn about networks, I didn’t know how many things in my daily life depended on them – from texting on WhatsApp to watching YouTube. I…
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Hack Networks & Devices Right from Your Wrist with the Wi-Fi Deauther Watch :: Null Byte
The Deauther Watch by Travis Lin is the physical manifestation of the Wi-Fi Deauther project by Spacehuhn, and it’s designed to let you operate the Deauther project right from your…
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Cisco ACI – API Calls vs JSON POST
API Calls method The fancy way of configuring Cisco ACI Fabric is by using Python script for generating API calls. Those API calls are then used to configure Cisco ACI…
