Ports Flashcards

1
Q

FTP (File Transfer Protocol)

A

20/21

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2
Q

SSH (Secure Shell)

A

22

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3
Q

TACACS+

A

49

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4
Q

DNS

A

53

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5
Q

DHCP

A

67/68

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6
Q

TFTP (Trivial File Transfer Protocol)

A

69

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7
Q

HTTP

A

80

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8
Q

Kerberos

A

88

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9
Q

HTTPS

A

443

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10
Q

Telnet

A

23

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11
Q

SMTP (Simple Mail Transport Protocol)

A

25

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12
Q

SSL VPN

A

443

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13
Q

POP3

A

110

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14
Q

NTP (Network Time Protocol)

A

123

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15
Q

IMAP4

A

143

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16
Q

SMTP (Simple Mail Transport Protocol)

A

161/587

17
Q

IPsec

A

500

18
Q

What port do you need to close to block outgoing email?

A

25

19
Q

SFTP (Secure File Transfer Protocol)

A

22 (uses SSH)

20
Q

SCP (Secure Copy)

A

22 (uses SSH)

21
Q

RDP (Remote Desktop Protocol)

A

3389

22
Q

TACACS (Terminal Access Controller Access-Control System)

A

49

23
Q

NNTP (Network News Transfer Protocol)

A

119

24
Q

IMAP4 (Internet message access protocol version 4)

A

143

25
Q

SNMP (Simple Network Management Protocol)

A

161

26
Q

SNMP Trap (Simple Network Management Protocol Trap)

A

162

27
Q

LDAP (Lightweight Directory Access Protocol)

A

389

28
Q

ISAKMP (VPN) (Internet Security Association and Key Management Protocol (virtual private network))

A

500

29
Q

Syslog

A

514

30
Q

L2TP (Layer 2 Tunneling Protocol)

A

1701

31
Q

PPTP (Point-to-Point Tunneling Protocol)

A

1723

32
Q

RDP (Remote Desktop Protocol)

A

3389

33
Q

IMAP

A

993

34
Q

SMPT

A

587/161