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A+ > Port Numbers > Flashcards

Port Numbers Flashcards

1
Q

FTP (active)

A

tcp/20

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2
Q

FTP (control)

A

tcp/21

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3
Q

SSH

A

tcp/22

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4
Q

Telnet

A

tcp/23

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5
Q

SMTP

A

tcp/25

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6
Q

DNS

A

udp/53

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7
Q

HTTP

A

tcp/80

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8
Q

HTTPS

A

tcp/443

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9
Q

RDP

A

tcp/3389

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10
Q

nbname

A

udp/137

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11
Q

nbdatagram

A

udp/138

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12
Q

nbsession

A

tcp/139

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13
Q

SMB/CIFS

A

tcp/445

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14
Q

AFP

A

tcp/548

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15
Q

SLP

A

tcp and udp/427

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16
Q

DHCP

A

UDP/67, UDP/68

17
Q

LDAP

A

tcp/389

18
Q

SNMP (queries)

A

udp/161

19
Q

SNMP (traps)

A

udp/162

20
Q

POP3

A

tcp/110

21
Q

IMAP4

A

tcp/143

22
Q

POP3s

A

tcp/995

23
Q

IMAPS

A

tcp/993

24
Q

SMTP with authentication

A

tcp/587

A+ (4 decks)

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