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CySA+ > UDP User Datagram Protocol Ports > Flashcards

UDP User Datagram Protocol Ports Flashcards

1
Q

What is UDP Port 53?

A

DNS = Domain Name System which uses UDP for DNS queries

  • Same Port number as TCP, but used differently
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2
Q

What is UDP Port 67?

A

DHCPS = Server port for the Dynamic Host Configuration Protocol (DHCP)

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3
Q

What is UDP Port 68?

A

DHCPC = Client port for the Dynamic Host Configuration Protocol (DHCP)

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4
Q

What is UDP Port 69?

A

TFTP = Trivial File Transfer Protocol

  • Used when you’re dealing with routers and switches
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5
Q

What is UDP Port 123?

A

NTP = Network Time Protocol

  • Allows all network devices to use a consistent time
  • Very helpful in coordinating logs
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6
Q

What is UDP Port 135?

A

MSRPC = Advertises what RPC services are available in a Windows environment

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7
Q

What is UDP Port 137?

A

NETBIOS - NS = NetBIOS Name Service which supports Windows File Sharing with pre-Windows 2000 versions hosts

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8
Q

What is UDP Port 138?

A

NETBIOS - DGM = NetBIOS Datagram Service which supports Windows File Sharing with pre-Windows 2000 versions hosts

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9
Q

What is UDP Port 139?

A

NETBIOS - SSN = NetBIOS Session Service which supports Windows File Sharing with pre-Windows 2000 versions hosts

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10
Q

What is UDP Port 161?

A

SNMP = Agent port for Simple Network Management Protocol

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11
Q

What is UDP Port 162?

A

SNMP = Management station port for receiving SNMP trap messages

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12
Q

What is UDP Port 445?

A

MICROSOFT - DS = Supports Windows File Sharing (Server Message Block over TCP/IP) on current Windows networks

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13
Q

What is UDP Port 500?

A

ISAKMP = Internet Security Association and Key Management Protocol that is used to set up IPsec tunnels

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14
Q

What is UDP Port 514?

A

SYSLOG = Server port for a syslog daemon

Syslog daemon is a Syslog server

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15
Q

What is UDP Port 520?

A

RIP = Routing Information Protocol

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16
Q

What is UDP Port 631?

A

IPP = Internet Printing Protocol

17
Q

What is UDP Port 1434?

A

MS-SQL = Microsoft SQL Server

18
Q

What is UDP Port 1900?

A

UPNP = Universal Plug and Play which is used for autoconfiguration of port forwarding by game consoles and other appliances

  • Area of vulnerability because it allows things to automatically connect to ports
19
Q

What is UDP Port 4500?

A

NAT-T-IKE = Used to set up IPsec traversal through a Network Address Translation (NAT) gateway

CySA+ (19 decks)

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