When you enter your first CTF or OSCP lab, there is one tool that becomes your best friend, your compass, and sometimes your only hope. That tool is Nmap. In the world of hacking, information is...

Admins were tired. For years, they used Telnet to log into remote servers. It worked—but it exposed every keystroke. If Alice typed her password, Trudy the attacker could see it. Networks were...

Once upon a time, in the early days of networking, there was a mighty tool called Telnet. It allowed people to connect to computers remotely, type commands, and feel like wizards controlling machines...

If you’ve ever worked in a corporate IT environment, chances are you’ve heard of Active Directory (AD). It’s one of the most widely used directory services in the world, powering authentication and...

Cross Origin Resource Sharing (CORS) is a crucial web security mechanism that controls how web pages from one domain can access resources from another domain. Understanding CORS is essential for...

SYN flood attack is a classic way to understand Denial of Service (DoS) attacks and how TCP resource exhaustion works. It's a common attack vector in security assessments, and knowing how it works...

In the world of networking, reliable communication is critical. Whether you're streaming a video, browsing a website, or sending a file, chances are the Transmission Control Protocol (TCP) is working behind the scenes to ensure your data gets to its destination intact and in order.

HTTP Header Injection is a critical web security vulnerability that occurs when an application allows user controlled input to be inserted into HTTP response headers without proper validation or...

IP TCP UDP HTTP HTTPS DHCP SSH Telenet FTP SFTP SMB RDP SNMP RIP SMTP IMAP POP3 LDAP WPA2 WPA3 IPsec WEP

Internet Protocol (IP) Addressing is a core concept of networking. It enables devices to identify and communicate with each other over a network, especially the internet. In this tutorial we are...

Netcat, often abbreviated as , is a versatile command line networking tool that can be used for almost anything related to TCP, UDP, or UNIX domain sockets. It's beloved by network engineers,...