Ports Flashcards
File Transfer Protocol | FTP
Ports 20 and 21
Provides insecure file transfers
Secure Shell | SSH
Port 22
Provides secure remote control of another machine using a text-based environment
Secure File Transfer Protocol | SFTP
Port 22
Provides secure file transfer
Telnet
Port 23
Provides insecure remote control of another machine using a text-based environment
Simple Mail Transfer Protocol | SMTP
Port 25
Provides the ability to send emails over the network
Domain Name System | DNS
Port 53
Converts domain names to IP addresses and vice versa
Dynamic Host Control Protocol | DHCP
Port 67 and 68
Automatically provides network parameters to your clients, such as assigned IP address, subnet mask, default gateway, and the DNS server they should use
Trivial File Transfer Protocol | TFTP
Port 69
Used as a lightweight file transfer method for sending configuration files or network booting of an OS
Hypertext Transfer Protocol | HTTP
Port 80
Used for insecure web browsing
Post Office Protocol v3 | POP3
Port 110
Used for receiving incoming emails
Network Time Protocol | NTP
Port 123
Used to keep accurate time for clients on a network
Network Basic Input/Output System | NETBIOS
Port 139
Used for file or printer sharing in a Windows network
Internet Mail Application Protocol | IMAP
Port 143
Newer method of retrieving incoming emails which improves on POP3
Simple Network Management Protocol | SNMP
Ports 161 and 162
Used to collect data about network devices and monitor their status
Lightweight Directory Access Protocol | LDAP
Port 389
Used to provide directory services to your network