How do firewalls differ from intrusion detection systems (IDS)?

Firewalls and intrusion detection systems (IDS) serve different roles in a secure network. Firewalls act as gatekeepers, filtering traffic based on predefined rules to block unauthorized access. IDS, on the other hand, monitors network traffic for suspicious behavior or policy violations, raising alerts when anomalies are detected. While firewalls prevent, IDS detects. For those looking to deepen their understanding of network protection mechanisms, enrolling in a Cyber security course with placement is a smart move to gain hands-on skills and career support in this high-demand field.
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