DELine provides a comprehensive look at mainstream cybersecurity solutions. This page classifies the network security products on the market, including basic firewalls, intrusion detection systems (IDS), intrusion prevention systems (IPS), and active security types such as WAF (Network Application Firewall). The page emphasizes the importance of understanding the unique capabilities of each product, distinguishing between passive and active safety measures. Whether it's preventing unauthorized access or actively defending against sophisticated cyber threats, this guide helps businesses choose the right security solution to protect their digital infrastructure