Net-Peeker (AKA: NetPeeker) is a powerful network monitoring tool that provides comprehensive insights into network traffic and activities. It allows users to monitor and analyze network performance, detect and troubleshoot network issues, and ensure optimal network security.

Firewall is the strongest line of defense in the system, also a barrier between the intranet and the extranet (Internet), and protects our computer by controlling the flow of packets in and out and preventing access by illegal users according to rules predefined by the system administrator. The built-in Windows Firewall is not only not powerful enough, but also difficult for the average computer users to configure and maintain (so few people use it). That's why there are many third-party firewall programs like simplewall.

Nowadays, as many as 70 percent of websites have vulnerabilities that could lead to the theft of sensitive data of company (such as credit card information and customer info list). In particular, too many custom web applications are often not fully tested and contain a lot of undetected vulnerabilities, making them easily fall prey to hackers. There is no doubt that, the security of a website is very important, so as a website administrator, it is very necessary to conduct security penetration tests on their own servers.

When your Mac computer is connected to the Internet, countless connections will be quietly built in the background. Once some application connects to the Internet, it can send any information that it wants to send to any place in the world. In order to monitor these connections, better maintain our privacy security, and especially withstand the tracking software, Trojans, or other types of malware, we usually have to use the boring and difficult to use firewall software. Even worse, the inbuilt firewall program of Mac OS is only able to control incoming connections, has no monitoring and controlling capabilities for outgoing connections.

The god knows who is using L0phtCrack as a security auditing tool to do the so-called password strength testing or recovery. I conclude that 90% of individuals are using it to violently obtain the passwords itself (through methods of dictionary, brute-force, hybrid attacks, rainbow tables, etc.). Whatever you's like to use it for, what we just can't deny is that it's the most outstanding one in similar software.