TCP/IP Port Numbers Flashcards

1
Q

FTP

A

TCP 20,21

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2
Q

SSH

A

TCP 22

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3
Q

Telnet

A

TCP 23

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4
Q

SMTP

A

TCP 25

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5
Q

DNS

A

TCP/UDP 53

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6
Q

DHCP

A

UDP 67, 68

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7
Q

TFTP

A

UDP 69

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8
Q

HTTP

A

TCP 80

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9
Q

POP3

A

TCP 110

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10
Q

NetBIOS/NetBT

A

TCP 137, 139

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11
Q

IMAP4

A

TCP 143

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12
Q

SNMP

A

UDP 161, 162

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13
Q

LDAP

A

TCP 389

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14
Q

HTTPS

A

TCP 443

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15
Q

SMB/CIFS

A

TCP 445

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16
Q

RDP

A

TCP 3389