How does routing work?

Routing involves the process of selecting paths in a network along which to send network traffic. It’s like choosing the best route on a map to get from one place to another, but data packets traveling through a network. A router is a device that directs traffic on a network. It operates by receiving data … Read more

What is the process of SSH?

SSH (Secure Shell) is a network protocol that allows secure remote access and control of a computer over an unsecured network. Here’s an overview of the process of SSH: The SSH protocol facilitates secure communication between two systems using encryption techniques. It establishes a secure channel over an unsecured network, typically the internet, ensuring confidentiality … Read more

How does HTTP GET work?

HTTP GET is a method used by clients (such as web browsers) to request data from a server. When a client sends an HTTP GET request, it typically includes a URL (Uniform Resource Locator) specifying the resource it wants to retrieve. The server processes the request and responds with the requested resource, such as an … Read more

What is HTTP how it works?

HTTP, or HyperText Transfer Protocol, is a fundamental protocol used for transmitting hypermedia documents, such as HTML pages, over the internet. It operates as a request-response protocol in a client-server model. Clients, typically web browsers, initiate requests to servers to retrieve resources like web pages or data. Servers respond to these requests by providing the … Read more

What is CDN and why it is used?

CDN, or Content Delivery Network, is a distributed network of servers strategically positioned across various geographic locations. Its primary purpose is to enhance the delivery of web content, such as images, videos, scripts, and other static assets, to users worldwide. CDNs are used to improve website performance by reducing latency and load times, thereby providing … Read more

How does TCP start?

TCP (Transmission Control Protocol) starts with a process called the TCP handshake. This handshake initializes and negotiates parameters between two devices (typically a client and a server) before data transmission begins. The TCP handshake involves three steps: SYN, SYN-ACK, and ACK. First, the client sends a SYN (synchronize) packet to the server to initiate a … Read more

How does IDS work?

An Intrusion Detection System (IDS) works by monitoring network traffic or system activities for malicious actions or policy violations. When such activities are detected, the IDS generates alerts to notify administrators of potential security breaches. The IDS analyzes incoming packets, logs, and other data for signs of suspicious behavior using predefined rules, heuristics, or anomaly … Read more

What is netstat showing me?

Netstat shows you a snapshot of current network connections and statistics on your system. It displays information such as active TCP connections, UDP ports in use, listening ports, routing tables, and network interface statistics. This data helps you understand which services are actively communicating over the network, which ports are open and listening for incoming … Read more

How does the Border Gateway Protocol work?

Border Gateway Protocol (BGP) works by enabling routers in different autonomous systems (ASes) to exchange routing and reachability information. It operates based on a path vector algorithm, where BGP routers advertise the network paths they can reach along with attributes such as AS path, next hop information, and route preferences. BGP routers maintain a table … Read more

What is the transaction layer security TLS?

TLS (Transport Layer Security) is a cryptographic protocol designed to provide secure communication over a computer network. It succeeds and is based on the earlier SSL (Secure Sockets Layer) protocol, aiming to enhance security, improve efficiency, and address vulnerabilities found in SSL. TLS operates at the transport layer of the OSI model, securing communication channels … Read more