Attackers often use advanced techniques to conceal their communication in an SSL connection. To detect and prevent those attacks, we need to look through an encrypted SSL connection and find malicious content. SSL Inspection is a technology using which encrypted SSL...
What is Deep Packet Inspection (DPI)? Deep Packet Inspection, or DPI, is a technology that allows one to examine the data part of network packets, search for protocol non-compliance, viruses, spam, intrusions, and other statistical information, and decide whether the...
A firewall is a network security system that monitors the inbound and outbound network traffic of a system and filters it according to some predetermined rules. It can be implemented as hardware or as software. If configured properly, a firewall can prevent network...
Next Generation Firewall or NGFW is an integrated network platform that combines a traditional firewall with other security system functionalities like an application firewall, Intrusion Prevention System or IPS, SSL/SSH interception, QoS/bandwidth management, malware...
Previously, we discussed: What is a firewall and how does it work? What is an Intrusion Detection System (IDS), and how does it work? How to configure the iptables firewall on Linux? How to make iptables rules permanent across system reboots? We also discussed a few...
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