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Usually as a part of network software development you do socket programming. But this is typically done in user-space, where the user-space socket APIs takes the instructions (via socket API…
Every VPN stack is architecture is done in a specific way to accomplish fundamental VPN specifications, requirements and goals. As a part of VPN Network stack architecture quite often we…
When you architect and implement a VPN deployment as a part of standalone setup or leveraging VPN technologies as one of your building blocks of your SD-WAN product architecture, one…
You can optionally have a dedicated Network Console port for your Raspberry Pi PiPG device. So that you can remotely access the PiPG web UI and configure the same, while…
IPUtils is a popular Linux Open-Source package which includes various utilities for Linux networking such as ping, arping, ping6 and so on.
The setsockopt() function provides an application program (user-space) with the means to control socket behavior. You can use setsockopt() to allocate buffer space, control timeouts, permit socket data broadcasts and…
Linux Networking Stack Receive Flow Steering (RFS) aim is to increase data-cache hitrate by steering kernel processing of packets to the CPU where the application thread consuming the packet is…
Here is a code-walk of a git-hub source submitted by a viewer Sekhar Pariga, which is a Multi-client TCP Server with pthreads Mutex synchronized. Basically it is a Directory Listing…
Here is my sample source-code discussed in the video: you can compile the same via:
Here is my sample Kernel Module to drop packets (i.e sk_buff instance) captured via netfilter hooks. When you want to drop packets in your custom netfilter hooks make sure you…
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