Port Numbers Flashcards

0
Q

TCP 22

A

SSH, SCP (secure copy), SFTP

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1
Q

TCP 20 & 21

A

FTP

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2
Q

TCP 23

A

Telnet

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3
Q

Port 25

A

SMTP

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4
Q

Port 53

A

DNS

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4
Q

Port 49

A

TACACS+

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5
Q

Port 67 & 68

A

DHCP

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5
Q

UDP 69

A

TFTP

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6
Q

Port 80

A

HTTP

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7
Q

Port 88

A

Kerberos

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9
Q

Port 119

A

NNTP

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10
Q

Port 110

A

POP3

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11
Q

Port 123

A

NTP

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12
Q

Port 143

A

IMAPv4

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13
Q

Port 161 & 162

A

SNMP

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14
Q

Port 389

A

LDAP

15
Q

Port 443

A

HTTPS

16
Q

Port 465

A

SMTPS

17
Q

Port 500

A

IKE & ISAKMP

18
Q

Port 563

A

NNTPS

19
Q

Port 636

A

LDAPS

20
Q

Port 992

A

Secured Telnet

21
Q

Port 993

A

IMAPS (IMAP secured)

22
Q

Port 995

A

POP3S (POP3 secured)

23
Q

Port 1293

A

IPSec

24
Q

Port 1701

A

L2TP

25
Q

Port 1723

A

PPTP (Point to point tunneling protocol)

26
Q

Port 1812 & 1813

A

RADIUS

28
Q

Port 3389

A

RDP

29
Q

Port 8080

A

HTTP alternate

30
Q

TCP 139

A

NetBIOS

31
Q

UDP 137 & 138

A

NetBIOS