Ports and Services Flashcards

1
Q

20 TCP and 21 TCP

A

File Transfer Protocol (FTP)

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2
Q

22 TCP & UDP

A

Secure Shell (SSH)

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3
Q

23 TCP

A

Telnet

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4
Q

25 TCP

A

Simple Mail Transfer Protocol (SMTP)

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5
Q

49 TCP and UDP

A

Terminal Access Controller Access-Control System (TACACS)

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6
Q

*IP protocol number 50

A

Encapsulating Security Payload (ESP) (used with IPSec)

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7
Q

*IP protocol number 51

A

Authenticating Header (AH) (used with IPSec)

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8
Q

53 TCP and UDP

A

Domain Name Server (DNS)

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9
Q

67 UDP and 68 UDP

A

Dynamic Host Configuration Protocol (DHCP)

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10
Q

69 UDP

A

Trivial File Transfer Protocol (TFTP)

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11
Q

80 TCP

A

HyperText Transfer Protocol (HTTP)

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12
Q

88 TCP

A

Kerberos

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13
Q

110 TCP

A

Post Office Protocol (POP3)

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14
Q

119 TCP

A

Network News Transport Protocol (NNTP)

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15
Q

123 UDP

A

Network Time Protocol (NTP)

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16
Q

135 TCP / 137 TCP and UDP / 138 TCP and UDP/ 139 TCP

A

Network Basic Input/Output System (NetBIOS)

17
Q

143 TCP and UDP

A

Internet Message Access Protocol (IMAP4)

18
Q

161 TCP and UDP / 162 TCP and UDP

A

Simple Network Management Protocol (SNMP)

19
Q

389 TCP and UDP

A

Lightweight Directory Access Protocol (LDAP)

20
Q

443 TCP and UDP

A

HTTP with Secure Sockets Layer (SSL)

21
Q

445 TCP

A

Windows 2000 CIFS/SMB (file access)

22
Q

500 UDP

A

Internet Key Exchange (IKE) (used with IPSec)

23
Q

636 TCP and UDP

A

Lightweight Directory Access Protocol over TLS/SSL (LDAPS)

24
Q

1701 UDP

A

Layer 2 Tunneling Protocol (L2TP)

25
Q

1723 TCP and UDP

A

Point-to-Point Tunneling Protocol (PPTP)

26
Q

1812 TCP and UDP / 1813 TCP and UDP

A

Remote Authentication Dial in User Service (RADIUS)

27
Q

3389 TCP

A

Remote Desktop Protocol (RDP)