Network+ Protocols and TCP/UDP Ports

Automated config of IP address, subnet mask and other options

DHCP

Converts names to IP addresses

DNS

DNS stands for

Domain Name System

DHCP stands for

Dynamic Host Configuration Protocol

transfer files between systems with authentication

FTP

FTP stands for

File Transfer Protocol

VoIP setup and management

H.323

communication in browser and other applications

HTTP

secure communication in browser

HTTPS

HTTP stands for

Hypertext Transfer Protocol

HTTPS stands for

Hypertext Transfer Protocol Secure

Retrieves email from an email server

IMAP/ IMAP4

IMAP4 stands for

Internet Message Access Protocol V4

Store and retrieve info in a network directory

LDAP

LDAP over SSL

LDAPS

LDAP stands for

Lightweight Directory Access Protocol

Call control for VoIP

MGCP

MGCP stands for

Media Gateway Control Protocol

posting and reading articles on Usenet news servers

NNTP

Sync clocks between devices

NTP

Network communication servers for LANs that use NetBIOS

NetBIOS

NetBIOS stands for

Network Basic Input/Output System

NNTP stands for

Network News Transport Protocol

NTP stands for

Network Time Protocol

Retrieves email from an email server

POP3

POP3 stands for

Post Office Protocol Version 3

share desktop remotely

RDP

Deliver media-based data

RTP

communicates w/ media server and controls playback of media files

RTSP

RTSP stands for

Real-Time Streaming Protocol

RTP stands for

Real-time Transport Protocol

RDP stands for

Remote Desktop Protocol

rsh stands for

Remote Shell

Provides a secure file-transfer service over an SSH connection and offers a file's original date and time information, which is not available with FTP

SCP

Provides FTP file-transfer service over an SSH connection

SFTP

Setup and manage VoIP sessions

SIP

Used to share files, printers, and other network resources

SMB

Used for sending email

SMTP

Used to monitor and manage network devices

SNMP

A notification sent from an SNMP agent to an SNMP manager

SNMP Trap

Sync clocks between devices, similar to Network Time Protocol (NTP) but less complex and accurate

SNTP

Used to securely connect to a remote host

SSH

SCP Stands for

Secure Copy

SFTP stands for

Secure FTP

SSH Stands for

Secure Shell

SMB stands for

Server Message Block

SIP Stands for

Session Initiation Protocol

SMTP stands for

Simple Mail Transfer Protocol

SNMP Stands for

Simple Network Management Protocol

SNMP Trap Stands for

Simple Network Management Protocol Trap

SNTP Stands for

Simple Network Time Protocol

POP3 (TCP/UDP)

TCP 110

NNTP (TCP/UDP)

TCP 119

NetBIOS (TCP/UDP)

TCP 139 UDP 137, 138

IMAP/ IMAP4 (TCP/UDP)

TCP 143

H.323 (TCP/UDP)

TCP 1720

FTP (TCP/UDP)

TCP 20, 21

SCP (TCP/UDP)

TCP 22

SFTP (TCP/UDP)

TCP 22

SSH (TCP/UDP)

TCP 22

Telnet (TCP/UDP)

TCP 23

MGCP (TCP/UDP)

TCP 2427 UDP 2727

SMTP (TCP/UDP)

TCP 25

RDP (TCP/UDP)

TCP 3389

LDAP (TCP/UDP)

TCP 389

HTTPS (TCP/UDP)

TCP 443

SMB (TCP/UDP)

TCP 445

SIP (TCP/UDP)

TCP 5060 UDP 5061

rsh (TCP/UDP)

TCP 514

LDAPS (TCP/UDP)

TCP 636

HTTP (TCP/UDP)

TCP 80

SNMP Trap (TCP/UDP)

TCP/UDP 162

RTP (TCP/UDP)

TCP/UDP 5004 5005

DNS (TCP/UDP)

TCP/UDP 53

RTSP (TCP/UDP)

TCP/UDP 554

file transfer w/o authentication or encryption

TFTP

Unencrypted remote communication

Telnet

TFTP Stands for

Trivial File Transfer Protocol

NTP (TCP/UDP)

UDP 123

SNTP (TCP/UDP)

UDP 123

SNMP (TCP/UDP)

UDP 161

DHCP (TCP/UCP)

UDP 67, 68

TFTP (TCP/UDP)

UDP 69

execute commands on computer from remote user

rsh