Do you know all of the hosts on your network? Are you *sure*? Do you know if all of those hosts are secure from malicious tampering? In this article, you will learn how to find that information for yourself using three tools: nmap, nessus, and netcat. . nmap is a mature open source project for network exploration and security auditing. nmap has an enormous number of features, of which this article will use only one: the ability to discover hosts on the network. All the examples are from the author's home LAN; your network is probably much more complex. Warning if you intend to experiment with these tools on a corporate network, we strongly advise you to seek the cooperation of your local IT and Network Administration staff. All the of tools described in this article are capable of performing actions that will set off network intrusion detection systems. All of the tools described in this article are capable of performing actions that will likely violate company policies. At some companies, unauthorized possession of these tools behind the company firewall is grounds for immediate termination. The link for this article located at Search Software is no longer available. . nmap is a mature open source project for network exploration and security auditing. nmap has an enor. hosts, network, *sure*, those. . Anthony Pell
Vincent Danen explains how to use netcat with SSH tunneling when you need to create a secure connection to a server from a remote location.. SSH is a versatile protocol and OpenSSH, a versatile tool The link for this article located at TechRepublic is no longer available. . Discover the power of secure SSH tunneling using netcat, enabling effortless and safe remote server access with ease and reliability. SSH Tunneling, Secure Access, Remote Servers. . LinuxSecurity.com Team
"Netcat is a simple Unix utility which reads and writes data across network connections, using TCP or UDP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities. Netcat, or "nc" as the actual program is named, should have been supplied long ago as another one of those cryptic but standard Unix tools." . The link for this article located at SecurityDocs.com is no longer available. . The link for this article located at SecurityDocs.com is no longer available. . 'netcat, simple, utility, which, reads, writes, across, network, connections, using. . Benjamin D. Thomas
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