Which tool can perform real-time traffic and port analysis, and can also detect port scans, fingerprinting and buffer overflow attacks?

Which tool can perform real-time traffic and port analysis, and can also detect port scans, fingerprinting and buffer overflow attacks?

• Snort
• Nmap
• Netflow
• SIEM
  

  Answers Explanation & Hints: Snort is an open source intrusion protection system (IPS) that is capable of performing real-time traffic and port analysis, packet logging, content searching and matching, as well as detecting probes, attacks, port scans, fingerprinting, and buffer overflow attacks.