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Well Known Port Definitions
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Avg score: 65% • Most missed: “389 LDAP”
Well Known Port Definitions
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20 Questions

1. 137 NETBIOS

2. 67, 68 BOOTP

3. 500 IPSEC

4. 53 DNS

5. 143 IMAP4

6. 25 SMTP

7. 23 TELNET

8. 123 NTP

9. 69 TFTP

10. 7 ECHO

11. 194 IRC

12. 110 POP3

13. 3389 RDP

14. 389 LDAP

15. 22 SSH

16. 20, 21 FTP

17. 547, 596 DHCPV6

18. 161 SNMP

19. 80, 8080 HTTP

20. 443 HTTPS

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