Port numbers Flashcards

1
Q

20/21 TCP

A

FTP

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2
Q

22 TCP

A

SSH

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3
Q

53 TCP/UDP

A

DNS

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4
Q

25 TCP

A

SMTP

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5
Q

69 UDP

A

TFTP

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6
Q

23 TCP

A

Telnet

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7
Q

67/68 UDP

A

DHCP

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8
Q

80 TCP

A

HTTP

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9
Q

443 TCP

A

HTTPS

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10
Q

161 UDP

A

SNMP

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11
Q

3389 TCP

A

RDP

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12
Q

445 TCP

A

SMB

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13
Q

110 TCP

A

POP3

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14
Q

143 TCP

A

IMAP

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15
Q

389 TCP

A

LDAP

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16
Q

636 TCP

A

LDAPS

17
Q

587 TCP

A

SMTPS

18
Q

995 TCP

A

POP3 Secure

19
Q

993 TCP

A

IMAP Secure

20
Q

427 TCP

A

SLP

21
Q

137 - 139 TCP

A

NetBIOS

22
Q

1433 TCP

A

SQL Server

23
Q

1521 TCP

A

Oracle

24
Q

3306 TCP

A

MySQL