Networking Protocols and Services PDF

(7) Networking Protocols & services Trivial File Transfer Protocol (TFTP) ◦ A simplified version of FTP, used for transferring small amounts of data ◦ Port 69 File Transfer Protocol (FTP) ◦ Used for transferring files between a client and server on a network ◦ Ports 20/21...

(7) Networking Protocols & services Trivial File Transfer Protocol (TFTP) ◦ A simplified version of FTP, used for transferring small amounts of data ◦ Port 69 File Transfer Protocol (FTP) ◦ Used for transferring files between a client and server on a network ◦ Ports 20/21 Secure File Transfer Protocol (SFTP) ◦ An extension of SSH providing secure file transfer capabilities ◦ Port 22 Telnet ◦ A protocol for bidirectional interactive text-oriented communication using a virtual terminal connection ◦ Port 23 Secure Shell (SSH) ◦ Provides a secure channel over an unsecured network, often used for secure remote login ◦ Port 22 Simple Mail Transfer Protocol (SMTP) ◦ The standard protocol for sending emails across the Internet ◦ Port 25 Simple Mail Transfer Protocol Secure (SMTPS) ◦ A method for securing SMTP with transport layer security ◦ Port 587 Internet Message Access Protocol (IMAP) ◦ Allows users to access and manage emails stored on a mail server, enabling multiple clients to access the same mailbox. ◦ Port 143. Internet Message Access Protocol Secure (IMAPS) ◦ A version of IMAP that includes encryption for secure email access and management, typically using SSL/TLS. ◦ Port 993. Post Office Protocol 3 (POP3) ◦ Designed for downloading emails from a server to a local client, with emails typically removed from the server after download. ◦ Port 110. Post Office Protocol 3 Secure (POP3S)  ◦ The secure version of POP3, adding encryption (usually SSL/TLS) to enhance the security of email retrieval. ◦ Port 995. Domain Name System (DNS) ◦ Translates domain names to IP addresses for accessing websites ◦ Port 53 Dynamic Host Configuration Protocol (DHCP) ◦ Automatically assigns IP addresses and other network configurations to devices ◦ Ports 67/68 Hypertext Transfer Protocol (HTTP) ◦ The foundation of data communication for the World Wide Web ◦ Port 80 Hypertext Transfer Protocol Secure (HTTPS) ◦ An extension of HTTP for secure communication within a web browser ◦ Port 443 Network Time Protocol (NTP) ◦ Synchronizes clocks of networked devices to Coordinated Universal Time (UTC) ◦ Port 123 Simple Network Management Protocol (SNMP) ◦ Manages and monitors network devices ◦ Ports 161/162 Lightweight Directory Access Protocol (LDAP) ◦ Maintains and accesses distributed directory information services ◦ Port 389 Syslog ◦ A standard for message logging ◦ Port 514 Lightweight Directory Access Protocol over SSL (LDAPS) ◦ LDAP over SSL/TLS for encrypted sessions ◦ Port 636 Structured Query Language (SQL) Server ◦ A database server using SQL for database management ◦ Port 1433 Remote Desktop Protocol (RDP) ◦ Provides a graphical interface to connect to another computer over a network ◦ Port 3389 Session Initiation Protocol (SIP) ◦ Used for signaling and controlling multimedia communication sessions ◦ Ports 5060/5061