Ports and Protocols Flashcards
Port 53
DNS (Domain Name System)
Port 25 - A protocol used for sending emails from a client to a mail server or between mail servers. It is responsible for the delivery of emails to their destination.
SMTP (Simple Mail Transfer Protocol)
Port 21
FTP (File Transfer Protocol)
Port 80
HTTP (Hypertext Transfer Protocol)
Port 3389
RDP (Remote Desktop Protocol)
Port 69
TFTP (Trivial File Transfer Protocol)
Port 22
SSH, (Secure Shell) SCP, SFTP
Port 23
Telnet
Port 88
Kerberos
Port 110 / 995 - A protocol used by email clients to retrieve emails from a mail server. It downloads emails to the local device and typically removes them from the server.
Example: A user accesses their email on a mobile device, downloading messages from the mail server and removing them from the server.
POP3 (Post Office Protocol 3)
Port 143 / 993 - A protocol used by email clients to retrieve and manage emails stored on a mail server, allowing synchronization across multiple devices without removing emails from the server.
Example: A user checks their email from both their laptop and phone, with all changes (like marking emails as read) reflected across both devices.
IMAP (Internet Message Access Protocol)
Port 67 - A network protocol used to automatically assign IP addresses and other network configuration details to devices on a network.
DHCP (Dynamic Host Configuration Protocol)
A security extension of the traditional NTP (Network Time Protocol) designed to prevent attacks like spoofing and tampering with time synchronization in networked systems.
NTPSec (Network Time Protocol Security)
A framework used to automate the assessment, measurement, and management of security compliance by standardizing security configuration and vulnerability data.
SCAP (Security Content Automation Protocol)
A system that provides real-time analysis of security alerts generated by network hardware and applications, helping organizations detect and respond to security threats.
SIEM (Security Information and Event Management)
