Port Number Flashcards

1
Q

FTP

A

tcp/20 and tcp/21

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2
Q

NetBIOS Datagram Service

A

udp/138

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3
Q

NetBIOS session Service

A

tcp/139

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4
Q

Pop3

A

tcp/110

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5
Q

SMB

A

tcp/445

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6
Q

LDAP

A

tcp/389

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7
Q

SSH

A

tcp/22

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8
Q

HTTPS

A

tcp/443

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9
Q

AFP

A

tcp/548

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10
Q

SLP

A

udp and tcp/427

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11
Q

HTTP

A

tcp/80

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12
Q

DNS

A

udp and tcp/53

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13
Q

NetBIOS Name Service

A

udp/137

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14
Q

IMAP4

A

tcp/143

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15
Q

SMTP

A

tcp/25

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16
Q

Telnet

A

tcp/23

17
Q

SNMP

A

udp/161,162

18
Q

FTP

A

tcp/20,21

19
Q

DHCP

A

udp/67,68

20
Q

RDP

A

tcp/3389