"application layer" tag
Creating Your Own Server

Creating Your Own Server: The Socket API, Part 1

In this series of articles aimed at newbies to network programming (knowledge of C is a prerequisite), we’ll learn how to create network clients and servers using the UNIX Socket API. We’ll start…

Securing Database Servers

Securing Database Servers

With the ever-expanding data requirements for Web applications, database administrators often configure security parameters at the OS and database layer. Unfortunately, administrators seldom consider implementing security at a network layer to protect the…

Advanced Nmap

Advanced NMap: Some Scan Types

A broad overview and the basic features of NMap have been covered in an earlier article in this series of articles on Nmap. In this article, we discuss in detail various NMap scan…

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