Comptia Network+ N10-008 Ports and protocols

File Transfer Protocol (FTP)

Ports 20,21

File Transfer Protocol (FTP)

Used to transfer files between a client and a server in a computer network (Unsecured)

Secure Shell (SSH)

Port 22

Secure Shell (SSH)

Provides secure remote control of another machine using a text-based environment

Secure File Transfer Protocol (SFTP)

Port 22

Secure File Transfer Protocol (SFTP)

Provides Secure file transfer

Telnet

Port 23

Telnet

Provides Insecure remote control of another machine using a text-based environment

Simple Mail Transfer Protocol (SMTP)

Port 25

Simple Mail Transfer Protocol (SMTP)

Provides the ability to send emails over the network

Domain Name Service (DNS)

Port 53

Domain Name Service (DNS)

Converts domain names to IP addresses, and IP address to domain names

Dynamic Host Control Protocol (DHCP)

Ports 67, 68

Dynamic Host Control Protocol (DHCP)

Automatically provides network parameters to your clients, such as their assigned IP address, subnet mask, default gateway, and the DNS server they should use

Trivial File Transfer Protocol (TFTP)

Port 69

Trivial File Transfer Protocol (TFTP)

Used as a lightweight file transfer method for sending configuration files or network booting of an operating system

Hypertext Transfer Protocol (HTTP)

Port 80

Hyper Text Transfer Protocol (HTTP)

Used for insecure web browsing

post offfice protocol version three (POP3)

port 110

post offfice protocol version three (POP3)

used for receiving incoming emails

Network Time Protocl (NTP)

Port 123

Network Time Protocol (NTP)

Used to keep accurate time for clients on a network

Network Basic Input/Output System (NetBIOS)

Port 139

Network Basic Input/Output System (NetBIOS)

Used for file or printing sharing in a windows network

Internet Mail Application (IMAP)

Port 143

Internet Mail Application (IMAP)

A newer method of retrieving incoming emails which improves upon the older POP3

Simple Network Management Protocol (SNMP)

Ports 161, 162

Simple Network Management Protocol (SNMP)

Used to collect data about network devices and monitor their status

Lightweight Directory Access Protocol (LDAP)

Port 389

Lightweight Directory Access Protocol (LDAP)

Used to provide directory services to your network

Hypertext Transfer Protocol Secure (HTTPS)

Port 443

Hypertext Transfer Protocol Secure (HTTPS)

Used for secure web browsing

Server Message Block

Port 445

Server Message Block

Used for Windows File and printer sharing services

System Logging Protocol (Syslog)

Port 514

System Logging Protocol (Syslog)

Used to send logging data back to a centralized server

Simple Mail Transfer Protocol Transport Layer Security (SMPT TLS)

Port 587

Simple Mail Transfer Protocol Transport Layer Security (SMPT TLS)

Secure and encrypted way to send emails

Lightweight Directory Access Protocol - Secure (LDAPS)

Port 636

Lightweight Directory Access Protocol - Secure (LDAPS)

Provides secure directory services

Internet Message Access Protocol over SSL (IMAP over SSL)

Port 993

Internet Message Access Protocol over SSL (IMAP over SSL)

Secure and encrypted way to receive emails

Post Office Protocol version 3 over SSL (Pop3 over SSL)

Port 995

Post Office Protocol version 3 over SSL (Pop3 over SSL)

Secure and encrypted way to receive emails

Structured Query Language Server Protocol (SQL)

Port 1433

Structured Query Language Server Protocol (SQL)

Used for communication from a client to the database engine

SQLnet Protocol

Port 1521

SQLnet Protocol

Used for communication from a client to an Oracle Database

MySQL

Port 3306

MySQL

Used for communication from a client to the MySQL database engine

Remote Desktop Protocol (RDP)

Port 3389

Remote Desktop Protocol (RDP)

Provides graphical remote control of another client or server

Session Initiation Protocol (SIP)

Ports 5060, 5061

Sessions Initiation Protocol ( SIP)

Used to initiate VoIP and video calls