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Security + > Ports And Protocols > Flashcards

Ports And Protocols Flashcards

1
Q

What port or ports use FTP?

A

Ports 20/21

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2
Q

Remote command line that is used to secure ftp traffic.

A

ssh

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3
Q

What port uses ssh?

A

Port 22

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4
Q

Remote command line (plain text) not secure.

A

Telnet

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5
Q

What port is used for telnet?

A

Port 23

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6
Q

Protocol used for sending mail?

A

SMTP

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7
Q

What port uses SMTP?

A

Port 25

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8
Q

Remote auth typically to other network devices such as routers and switches.

A

TACACS

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9
Q

What port does TACACS use?

A

Port 49

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10
Q

Remote file transfer (plaintext) command line driven.

A

FTP

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11
Q

This protocol converts friendly names to IP addresses

A

DNS

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12
Q

What port does DNS use?

A

53

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13
Q

This protocol distributes IP addresses - leases

A

DHCP

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14
Q

What port does DHCP use?

A

67

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15
Q

What protocol does Internet traffic use?

A

HTTP

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16
Q

What port is HTTP?

A

80

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17
Q

What is Kerberos?

A

Authentication protocol

18
Q

What protocol traverses port 88

A

Kerberos

19
Q

What is POP3 protocol used for?

A

Receiving email

20
Q

What is IMAP?

A

Protocol that is used for receiving email - opens email from server - can use across devices - syncs

21
Q

What protocol traverses port 143?

A

IMAP

22
Q

What port does SNMP traffic use?

A

Port 161

23
Q

What does simple network monitoring protocol do?

A

Allows devices to share health status.

24
Q

What is the Lightweight Directory Access Protocol or LDAP?

A

Way to access and maintain distributed directory information services.

25
Q

What port does LDAP use?

A

Port 389

26
Q

What port does HTTPS, SSL, and SSTP(secure socket tunneling protocol)?

A

Port 443

27
Q

What port does secure LDAP use?

A

Port 636

28
Q

What ports are Microsoft VPN ports

A

Ports 1701 and 1723

29
Q

What port does L2TP traverse?

A

Port 1701

30
Q

What port does PPTP traverse?

A

Port 1723

31
Q

What is L2TP?

A

Layer 2 tunneling protocol - negotiate security.

32
Q

What is PPTP?

A

Point to point tunneling protocol used for Microsoft VPN.

33
Q

What port does Radius traverse?

A

Port 1812

34
Q

What port does Remote Desktop (RDP) use?

A

Port 3389

35
Q

What port does POP3 secure use?

A

Port 995

36
Q

What port does IMAP secure use?

A

Port 993

37
Q

What port uses tftp?

A

Port 69

38
Q

What is tftp?

A

Trivial file transfer protocol - small files - UDP - not encrypted

39
Q

What port does FTPS use?

A

Port 990

40
Q

What is FTPS?

A

For secure FTP rather than command line.

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