Ports Flashcards
TCP port 80
Used for HTTP (Hypertext Transfer Protocol) communication, typically for unencrypted web traffic.
TCP port 443
Used for HTTPS (HTTP Secure), which encrypts web traffic using SSL/TLS protocols.
TCP port 25
Used for SMTP (Simple Mail Transfer Protocol), responsible for sending email messages between servers.
UDP port 53
Used for DNS (Domain Name System), translating domain names to IP addresses and vice versa.
TCP port 21
Used for FTP (File Transfer Protocol) control, managing file transfers between clients.
UDP/TCP port 67 and 68
Used for DHCP (Dynamic Host Configuration Protocol), assigning IP addresses to devices on a network.
TCP port 22
Used for SSH (Secure Shell), providing secure remote access to network devices.
TCP port 389
Used for LDAP (Lightweight Directory Access Protocol), accessing directory services.
UDP port 123
Used for NTP (Network Time Protocol), synchronizing time on network devices.
TCP port 143
Used for IMAP (Internet Message Access Protocol) communication, allowing access to email messages stored on an email server.
TCP port 23
Used for Telnet communication, enabling remote terminal access to a network device or server.
UDP port 5004
Used for RTP (Real-Time Transport Protocol) communication, typically for audio and video streaming applications.
UDP port 161
Used for SNMP (Simple Network Management Protocol) communication, enabling monitoring and management of network devices and systems.
UDP port 5060
Used for SIP (Session Initiation Protocol) communication, facilitating the setup and management of VoIP (Voice over Internet Protocol) calls.
TCP port 110
Post Office Protocol (POP)
E-mail protocol that allows e-mail clients to
communicate with e-mail servers. POP provides
only one-way communication.
