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Asked by Nadare Last Modified
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Traditional methods for network security include:
1. *Firewalls*: Control incoming and outgoing network traffic based on predetermined rules.
2. *Intrusion Detection Systems (IDS)*: Monitor network traffic for signs of unauthorized access or malicious activity.
3. *Intrusion Prevention Systems (IPS)*: Similar to IDS, but also block suspicious traffic.
4. *Virtual Private Networks (VPNs)*: Encrypt internet traffic to secure remote access.
5. *Access Control Lists (ACLs)*: Filter network traffic based on source/destination IP addresses, ports, and protocols.
6. *Encryption*: Protect data in transit using protocols like SSL/TLS, IPsec, or PGP.
7. *Antivirus Software*: Detect and remove malware from endpoints and servers.
8. *Network Segmentation*: Divide networks into smaller, isolated segments to limit attack surfaces.
9. *Perimeter Security*: Focus on securing the network border with firewalls, IDS/IPS, and VPNs.
10. *Password Authentication*: Use usernames, passwords, and authentication protocols (e.g., Kerberos) to control access.
11. *Network Monitoring*: Regularly monitor network activity for suspicious behavior.
12. *Penetration Testing*: Simulate attacks to identify vulnerabilities.
These traditional methods provide a solid foundation for network security, but modern networks often require additional measures to address evolving threats and complexities.
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