Understanding ICMP Redirects – Why Your Network Traffic Suddenly Takes a Different Route
When a host needs to communicate with a destination outside its local subnet, it normally forwards the packet to its…
Understanding Remote Procedure Calls (RPC) on Linux – Building an ONC RPC Client and Server and Analyzing the Network Traffic
In my previous article, we explored Microsoft’s implementation of Distributed Computing Environment / Remote Procedure Call (DCE/RPC) by building a…
Understanding Remote Procedure Calls (RPC) on Windows – Building a Simple Client and Server and Analyzing the Network Traffic
Remote Procedure Call (RPC) is a general communication paradigm used by many operating systems and distributed systems, including Windows, Linux,…
Mastering Netplan: Modern Network Configuration on Ubuntu
Modern Ubuntu Server releases (17.10 and later) use Netplan as the default network configuration system. Instead of editing /etc/network/interfaces, the…
Mastering Packet Monitor (Pktmon) on Windows
For years, troubleshooting network traffic on Windows servers often meant installing third-party tools like Wireshark or Npcap directly on production…
Simple UDP Messaging in PowerShell or Ncat: Build your own Listener and Sender
Ever needed to test simple UDP communication without reaching for Wireshark or Netcat? In this post we will see how…
Set up NIC Teaming in Windows Server
NIC Teaming, or Network Interface Card Teaming, is a feature in Windows Server that combines multiple network adapters into a…
How to deploy a vSphere Distributed Switch in vCenter
In this post I want to show step by step how we can deploy a vSphere Distributed Switch in vCenter….
What is Multicast DNS (mDNS) and how does it work?
Multicast DNS (mDNS) is a protocol used in network environments to resolve hostnames to IP addresses within small networks without…
Impact of DNS Primary Suffix and DNS Suffix Search List on the DNS Name Resolution
In this post I want to show what impact the DNS primary suffix and the DNS suffix search list had…
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Passwordless Authentication in Windows – Logon and RDP without Passwords – Part 2 – FIDO2 Passkeys and Microsoft Entra Kerberos
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