Ports

Question 1

FTP (File Transfer Protocol)

Answer 1

20, 21

Question 2

SSH (Secure Shell/FTP over SSH)

Answer 2

22

Question 3

Telnet - an unsecured remote administration interface

Answer 3

23

Question 4

SMTP (Simple Mail Transfer Protocol)

Answer 4

25

Question 5

DNS - Dynamic Name System (uses TCP zone for transfers)

Answer 5

53

Question 6

HTTP (Hyper Text Transfer Protocol)

Answer 6

80

Question 7

POP3 (Post Office Protocol) - Legacy mailbox access protocol

Answer 7

110

Question 8

NTP (Netwrok Time Protocol)

Answer 8

123

Question 9

IMAP (Internet Mail Access Protocol)

Answer 9

143

Question 10

LDAP (Lightweight Directory Access Protocol)

Answer 10

389

Question 11

HTTPS ((Hyper Text Transfer Protocol Secure)

Answer 11

443

Question 12

LDAPS (Lightweight Directory Access Protocol over SSL)

Answer 12

636

Question 13

SQL (Structured Query Language)

Answer 13

1443

Question 14

Oracle

Answer 14

1521

Question 15

H.323 - defines protocols for multimedia communication over IP; videoconferencing, VoIP call, and other real-time multimedia applications

Answer 15

1720

Question 16

PPTP (Point-to-Point Tunneling Protocol) - Legacy VPN protocol with weak security
implementation

Answer 16

1723

Question 17

RDP (Remote Desktop Protocol)

Answer 17

3389

Question 18

RPCBIND - Maps Remote Procedure Call (RPC) services to port numbers in a UNIX-like
environment

Answer 18

111

Question 19

MSRPC - Advertises what RPC services are available in a Windows environment

Answer 19

135

Question 20

NETBIOS-SSN (NetBIOS Session Service) - supports Windows File Sharing with pre-Windows 2000
version hosts

Answer 20

139

Question 21

MICROSOFT-DS - Supports Windows File Sharing (Server Message Block over TCP/IP) on current
Windows networks

Answer 21

445

Question 22

POP3S (Post Office Protocol Secure)

Answer 22

995

Question 23

MySQL database connection

Answer 23

3306

Question 24

VNC Client (Virtual Network Computing) - remote access service where security is
implementation dependent and VNC may use other ports

Answer 24

5900

Question 25

VNC Web Client (Virtual Network Computing) - remote access service where security is
implementation dependent and VNC may use other ports

Answer 25

5800

Question 26

VNC Server (Virtual Network Computing) - remote access service where security is
implementation dependent and VNC may use other ports

Answer 26

6000

Question 27

HTTP Proxy Service or alternate port for HTTP

Answer 27

8080/8443