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Network > Ports & Protocols > Flashcards

Ports & Protocols Flashcards

1
Q

FTP

File Transfer Protocol

Transfer files with a remote host (typically requires authetication of user credentials).

A

TCP: 20, 21

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2
Q

SFTP

Secure FTP

Provides FTP file-transfer service over an SSH connection.

A

TCP: 22

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3
Q

FTPS

FTP Secure

Provides FTP file-transfer service over Secure Sockets Layer (SSL) or the more secure option of Transport Layer Security (TLS).

A

TCP: 989, 990
UDP: 989, 990

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4
Q

SSH

Secure Shell

Securely connects to a remote host over an unsecure network.

A

TCP: 22

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5
Q

Telnet

Telnet

Used to connect to a remote host (typically via a terminal emulator)

A

TCP: 23

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6
Q

SMTP

Simple Mail Transfer Protocol

Used for sending e-mail.

A

TCP: 25

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7
Q

SMTP over SSL/TLS

Simple Mail Transfer Protocol over SSL or TLS

Sends e-mail securely using SSL or the more secure TLS.

A

TCP: 587

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8
Q

DNS

Domain Name System

Resolves domain names to corresponding IP address.

A

TCP: 53
UDP: 53

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9
Q

TFTP

Trivial File Transfer Protocol

Transfer files with a remote host (does not requiere authetication of user credentials).

A

UDP: 69

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10
Q

DHCP

Dynamic Host Configuration Protocol

Dynamically assigns IP address information (for example: IP address, subnet mask, DNS server’s IP address, and default gateway’s IP address) to a network device.

A

UDP: 67

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11
Q

HTTP

Hypertext Transfer Protocol

Retrives content from a web server.

A

TCP: 80

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12
Q

HTTPS

Hypertext Transfer Protocol Secure

Secure HTTP transmission over an unsecure network using Secure Sockets Layer (SSL) or the most secure option of Transport Layer Security (TLS).

A

TCP: 443

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13
Q

POP3

Post Office Protocol version 3

Retrives e-mail from e-mail server.

A

TCP: 110

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14
Q

POP3 over SSL/TLS

Post Office Protocol version 3 over SSL/TLS

Retrives e-mail from an e-mail server while encryting the e-mail in transit using SSL or the most secuire option of TLS.

A

TCP: 995
UDP: 995

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15
Q

NTP

Network Time Protocol

Used by a network device to syncronize its clock with a time server (NTP server).

A

UDP: 123

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16
Q

IMAP

Internet Message Access Protocol version 4

Allows the viewing of e-mail on an e-mail server.

A

TCP: 143

17
Q

IMAP over SSL/TLS

Internet Message Access Protocol version 4 over SSL/TLS

Allow the viewing of e-mail on an e-mail server while encryting the e-mail transit using SSL or the most secure option of TLS.

A

TCP: 993

18
Q

LDAP

Lightweight Directory Access Protocol

Provides Directory Services (for example: a user directoy – including username, password, e-mail, and phone number information) to network clients.

A

TCP: 389

19
Q

LDAP over SSL/TLS

Lightweight Directory Access Protocol over SSL/TLS

Secure directoy services ttraffic using SSL or the most secure option os TLS.

A

TCP: 636

20
Q

SNMP

Simple Network Managemente Protocol

Used to monitor, manage, and configure network devices.

A

TCP: 161, 162
UDP: 161, 162

SNMP agent receives request on por 161, and an SNMP agent sends traps on port 162.

21
Q

RDP

Remote Desktop Protocol

A Microsoft protocol that allows a user to view and control the desktop of a remote computer.

A

TCP: 3389

22
Q

SIP

Session Initiation Protocol

A signaling protocol uses to setup, monitor, and teardown multimedia calls (eg. voice and video calls).

A

TCP: 5060, 5061
UDP: 5060, 5061

Port 5060 is commonly used for unencrypted calls, and por 5061 is commonly used to setup encryted calls.

23
Q

H.323

An ITU-T recommendation that can setup and teardown multimedia calls (eg. voice and video calls).

A

TCP: 1720

24
Q

SMB

Server Message Block

Used primarily in Microsoft networks for sharing resources (eg. file resources) between devices.

A

UDP: 445

25
Q

SQL Server

Structured Query Language (SQL) Server

Used by Microsoft’s SQL Server Management Studio (SSMS) to manage SQL servers in a network.

A

TCP: 1433
UDP: 1433

26
Q

SQLnet

SQLnet

Used by Oracle’s Database Management System.

A

TCP: 1521

27
Q

MySQL

MySQL

An open source relational database management system.

A

TCP: 3306

Use port 3306 to comunicate with clients.

Network (2 decks)

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