RFC Explained

RFC 959 is a document that details the File Transfer Protocol (FTP), a network protocol designed to transfer files between computers. The document provides a comprehensive overview of FTP’s history, terminology, model, and functions. It explains the protocol’s architecture, including its control and data connections, and defines various parameters like data representation, file

RFC 8200 is a technical document that specifies the details of the Internet Protocol Version 6 (IPv6), which is designed to be the successor to the older IPv4. It describes the IPv6 header format, its optional extension headers, and how packets are fragmented and reassembled. Additionally, it provides guidance on security considerations, traffic management, and compatibility with u

RFC 791 is a document that details the specifications of the Internet Protocol (IP). It was originally written in 1981 and describes how IP functions to deliver packets of data called datagrams from one computer to another across a network of interconnected systems. It also defines key aspects of IP, such as addressing, which provides a method for identifying and locating computers

RFC 9293 is a technical document that defines the Transmission Control Protocol (TCP), a fundamental protocol for reliable data communication on the internet. The document provides a comprehensive overview of TCP’s functionality, including connection establishment and termination, data transmission and retransmission, and various mechanisms for ensuring reliable and efficient dat

RFC 9000 outlines the QUIC (Quick UDP Internet Connections) transport protocol, a secure, connection-oriented protocol that builds on UDP for reliable and fast data exchange. It defines QUIC version 1, emphasizing its connection-oriented nature, handshake process, and integrated TLS 1.3 for security. QUIC utilizes streams for data transfer, incorporates flow control to prevent reso

RFC 4271 is a standard that defines the Border Gateway Protocol version 4 (BGP-4), an inter-Autonomous System (AS) routing protocol used to exchange network reachability information between routers. BGP-4 allows systems to advertise a set of destinations as an IP prefix, eliminating the need for the “class” concept. This document outlines how BGP-4 functions, including message

Demystifying BPF: A Deep Dive into the Instruction Set Architecture In this episode we discuss, “RFC 9669 - BPF Instruction Set Architecture (ISA)”, which provides a comprehensive explanation of the BPF instruction set architecture, encompassing the encoding, functionalities, and security considerations associated with BPF programs.