Common Ports Flashcards

1
Q

FTP-Data

A

20

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2
Q

FTP

A

21

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3
Q

22

A

SSH

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4
Q

23

A

Telnet

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5
Q

25

A

SMTP

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6
Q

53

A

DNS

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7
Q

67

A

DHCP (client to server)

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8
Q

68

A

DHCP (server to client)

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9
Q

69

A

TFTP

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10
Q

80

A

HTTP

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11
Q

110

A

POP3

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12
Q

123

A

NTP

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13
Q

143

A

IMAP

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14
Q

443

A

HTTPS

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15
Q

546

A

DHCPv6 (client to server)

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16
Q

547

A

DHCPv6 (server to client)

17
Q

NNTP

A

119 TCP

17
Q

3389

A

RDP

18
Q

NTP

A

123 UDP

19
Q

LDAP

A

TCP and UDP