Introduction Linux is known for having a great number of mature, useful command line utilities available out of the box in most distributions. Often, system administrators can do much of their work using the built-in tools without having to install additional software. In this guide, we will discuss how to use the netcat utility. This versatile command can assist you in monitoring, testing, and se
Check a port's status by entering an address and port number above. Use Connected to monitor your ports. The open port checker is a tool you can use to check your external IP address and detect open ports on your connection. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall. This tool may also be used as a
Grabbing a banner is the first and apparently the most important phase in both the offensive and defensive penetration testing environments. In this article, we’ll take a tour to “Banner Grabbing” and learn how the different command-line tools and web interfaces help us to grab the banner of a webserver and its running services. Table of Content Introduction Why Banner Grabbing? Types of Banner Gr
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