Ports Flashcards

1
Q

Network Time Protocol (NTP)

A

UDP port 123

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2
Q

Post Office Protocol v3 (POP3)

A

TCP port 995

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3
Q

Post Office Protocol v3 (POP3) with STARTTLS

A

TCP port 110

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4
Q

Internet Message Access Protocol with TLS/SSL (IMAP4)

A

TCP port 993

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5
Q

Simple Mail Transfer Protocol Secure (SMTP)

A

TCP port 25

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6
Q

Hypertext Transfer Protocol (HTTP)

A

TCP port 80

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7
Q

Hypertext Transfer Protocol Secure (HTTPS)

A

TCP port 443

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8
Q

Secure File Transfer Protocol (SFTP)

A

TCP port 22

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9
Q

Internet Protocol Secure (IPSec)

A

UDP port 500

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10
Q

Lightweight Directory Access Protocol (LDAP)

A

TCP/UDP port 389

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11
Q

Secure Lightweight Directory Access Protocol (LDAPS)

A

TCP port 636

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12
Q

Secure Shell (SSH)

A

TCP port 22

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13
Q

Domain Name Service Secured (DNSSEC)

A

TCP/UDP ports 53

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14
Q

Simple Network Management Protocol version 3 (SNMPv3)

A

UDP port 161

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15
Q

SNMPv3 sending error messages

A

UDP port 162

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16
Q

Domain Name Service (DNS)

A

TCP/UDP ports 53

17
Q

Kerberos

A

TCP port 88

18
Q

NetBios

A

TCP/UDP ports 137

19
Q

File Transfer Protocol (FTP) Data Transfer

A

TCP port 20

20
Q

File Transfer Protocol (FTP) Command Control

A

TCP port 21

21
Q

Secure Copy Protocol (SCP)

A

TCP port 22

22
Q

Telnet

A

TCP port 23

23
Q

Terminal Access Controller, Access Control System (TACACS+)

A

TCP port 49

24
Q

Dynamic Host Configuration Protocol (DHCP) Server Side

A

TCP port 67

25
Q

Dynamic Host Configuration Protocol (DHCP) Client Side

A

TCP port 68

26
Q

Trivial File Transfer Protocol (TFTP)

A

TCP port 69

27
Q

Internet Mail Application Protocol (IMAP)

A

TCP port 143

28
Q

Remote Authentication Dial-In User Services (RADIUS) Authentication

A

TCP ports 1812

29
Q

Remote Authentication Dial-In User Services (RADIUS) Accounting

A

TCP ports 1813

30
Q

Remote Desktop Protocol (RDP)

A

TCP port 3389