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

17
Q

TFTP

18
Q

DHCP

19
Q

SNMP

A

UDP 161/162

20
Q

Terminal Access Controller Access-Control System (TACACS)

21
Q

NetBIOS

A

137/138/139

22
Q

Remote Authentication Dial-In User Service (RADIUS)

23
Q

Lightweight Directory Access Protocol (LDAP)

24
Q

Remote Desktop Protocol (RDP)

25
PPTP
1723
26
Kerberos
88
27
L2TP
1701
28
SNMP Agent receives requests on
UDP 161
29
SNMP Management station receives notifications on
UDP 162
30
SIP non-encrypted
5060
31
SIP encrypted
5061
32
Media Gateway Control Protocol (MGCP)
2427/2727
33
Real-time Transport Protocol (RTP)
5004
34
H.323
TCP 1720
35
Server Message Block (SMB)
TCP 445