common ports Flashcards

1
Q

20

A

FTP data

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2
Q

21

A

FTP control

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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

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8
Q

68

A

DHCP server

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9
Q

70

A

Gopher

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10
Q

80

A

HTTP

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11
Q

143

A

IMAP

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12
Q

443

A

HTTPS

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13
Q

69

A

TFTP (UDP) - Trivial File Transfer Protocol.

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14
Q

161

A

SNMP (UDP) - Gather statistics from network devices.

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15
Q

3389

A

RDP

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16
Q

123

A

NTP (UDP) - Network Time Protocol.

17
Q

445

A

SMB - File sharing. Used by Windows.

18
Q

110

A

POP3

19
Q

389

A

LDAP - Lightweight Directory Access Protocol. Store and retrieve information in a network directory.

20
Q

636

A

LDAPS