Well-Known Port Numbers Flashcards

1
Q

SNMP

A

161 UDP

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2
Q

POP3

A

110 TCP

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3
Q

HTTP

A

80 TCP

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4
Q

TFTP

A

69 UDP

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5
Q

FTP (data)

A

20 TCP

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6
Q

FTP (Control)

A

21 TCP

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7
Q

SSH

A

22 TCP

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8
Q

Telnet

A

23 TCP

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9
Q

SMTP

A

25 TCP

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10
Q

DNS

A

53 TCP/UDP

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11
Q

DHCP Server

A

67 UDP

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12
Q

DHCP Client

A

68 UDP

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13
Q

TFTP

A

69 UDP

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14
Q

SSL

A

443 TCP

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15
Q

Syslog

A

514 UDP

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