Port Scanner

Scan network ports and detect running services

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Target Host

Enter the hostname or IP address to scan

Scan Options

Choose the type of port scan to perform
Enter custom port range (only for custom scan type)

Scan Information

Common Ports: 21, 22, 23, 25, 53, 80, 110, 143, 443, 993, 995, 3389, 5432, 3306, 1433, 1521, 6379, 27017, 5984, 9200
Well-known: Ports 1-1023 (system services)
Registered: Ports 1024-49151 (user services)
Dynamic: Ports 49152-65535 (private/ephemeral)
Warning: Only scan systems you own or have permission to scan.

Port Scanner Information

What is Port Scanning?

  • Network reconnaissance technique
  • Identifies open ports and services
  • Helps assess network security
  • Used for network troubleshooting

Port Status

  • Open: Service is running
  • Closed: Port is accessible but no service
  • Filtered: Port is blocked by firewall
  • Banner: Service identification

Legal Notice

  • Only scan systems you own
  • Get permission before scanning
  • Unauthorized scanning is illegal
  • Use responsibly and ethically

Network Security Tips

Network Hardening

  • Close unnecessary ports
  • Use firewall rules
  • Implement network segmentation
  • Monitor network traffic

Service Security

  • Keep services updated
  • Use strong authentication
  • Implement access controls
  • Monitor service logs

Monitoring

  • Regular port scans
  • Network intrusion detection
  • Log analysis
  • Security assessments