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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...