Port Numbers Flashcards

1
Q

0 to 1023 are known as…

A

Well-Known or System Ports

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2
Q

SSH

A

TCP 22

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3
Q

Telnet

A

23

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4
Q

FTP

A

20/21

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5
Q

SMTP

A

TCP 25

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6
Q

HTTP

A

TCP 80

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7
Q

POP3

A

TCP 110

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8
Q

1024 to 49151 are known as…

A

Registered or User Ports

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9
Q

NTP

A

123

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10
Q

FTP control connection for administering a session

A

21

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11
Q

FTP Data Connection for sending file data

A

20

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12
Q

IMAP

A

TCP 143

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13
Q

DNS

A

UDP/TCP 53

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14
Q

49152-65535

A

Dynamic or Private Ports

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15
Q

Network News Transfer Protocol (NNTP)

A

TCP 119

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16
Q

HTTPS

A

TCP 443

17
Q

TFTP

A

UDP 69

18
Q

DHCP

A

UDP 67

19
Q

SNMP

A

UDP 161/162

20
Q

Terminal Access Controller Access-Control System (TACACS)

A

49

21
Q

NetBIOS

A

137/138/139

22
Q

Remote Authentication Dial-In User Service (RADIUS)

A

1812/1813

23
Q

Lightweight Directory Access Protocol (LDAP)

A

TCP 389

24
Q

Remote Desktop Protocol (RDP)

A

3389

25
Q

PPTP

A

1723

26
Q

Kerberos

A

88

27
Q

L2TP

A

1701

28
Q

SNMP Agent receives requests on

A

UDP 161

29
Q

SNMP Management station receives notifications on

A

UDP 162

30
Q

SIP non-encrypted

A

5060

31
Q

SIP encrypted

A

5061

32
Q

Media Gateway Control Protocol (MGCP)

A

2427/2727

33
Q

Real-time Transport Protocol (RTP)

A

5004

34
Q

H.323

A

TCP 1720

35
Q

Server Message Block (SMB)

A

TCP 445