CompTIA Network+: Well-known Ports & Protocols
CompTIA
| Intermediate
- 23 videos | 2h 39m 6s
- Includes Assessment
- Earns a Badge
In terms of computer networks, protocols are used to provide a required set of rules that enable computers to exchange information. Well-known Internet protocols include Transmission Control Protocol/Internet Protocol, User Datagram Protocol/Internet Protocol, File Transfer Protocol, and Hypertext Transfer Protocol. Ports, by comparison, are used to identify a type of network or specific process. Port numbers, ranging from 0 to 65535, are typically divided into three categories - well-known ports, dynamic ports, and registered ports. In this course, you'll learn about the most commonly-known ports in use on a computer network today. These include File Transfer Protocol, Simple Mail Transfer Protocol, Domain Name System, and Hypertext Transfer Protocol. You'll examine how HTTP uses the reserved port 80 and enables computers to send and receive Web client-based communication and messages from a Web server, including web site pages and data. Next, you'll explore other key ports including, port 25, reserved for Simple Mail Transfer Protocol and how SMTP allows e-mail clients and services to send out e-mails. You'll learn how port 100, reserved for Post Office Protocol v3 and port 143, reserved for Internet Message Access Protocol, allow for e-mail clients to retrieve e-mail messages from a mail server over a TCP/IP connection. Lastly, you'll learn about Secure Sockets Layer and how it can be incorporated into POP3 and IMAP implementations to enable more secure encrypted e-mail communications
WHAT YOU WILL LEARN
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Discover the key concepts covered in this course
Outline the features of the file transfer protocol (ftp)
Describe when to use the secure shell (ssh) protocol
Outline the purpose and characteristics of the secure file transfer protocol (sftp)
Outline the purpose and characteristics of telnet
Describe how the simple mail transfer protocol (smtp) is used for e-mail communications
Outline the common uses for the domain name system (dns)
Recognize the benefits of using dynamic host configuration protocol (dhcp) on a network
Outline the key considerations when using the trivial file transfer protocol (tftp)
Recognize the common uses of the hypertext transfer protocol (http)
Outline the ways in which the post office protocol v3 (pop3) is used for e-mail communication
Describe the network time protocol (ntp) -
Outline the purpose of the internet message access protocol (imap)
Recognize how the simple network management protocol (snmp) is used in the administration of networks
Outline the purpose and characteristics of the lightweight directory access protocol (ldap)
Outline the features of the hypertext transfer protocol secure (https)
Describe the purpose and characteristics of the server message block (smb)
Describe how syslog is the standard for message logging
Outline the benefits of using smtp tls
Describe the benefits of using secure lightweight directory access protocol (ldaps)
Recognize the benefits of using imap over ssl for secure e-mail communications
Outline how pop3 over ssl can be used to secure e-mail communications
Summarize the key concepts covered in this course
IN THIS COURSE
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2m 1s
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4m 57s
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3. Secure Shell8m 18s
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4. Secure File Transfer Protocol4m 50s
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5. Telnet Application Protocol9m 14s
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6. Simple Mail Transfer Protocol8m 41s
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7. Domain Name System16m 34s
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8. Dynamic Host Configuration Protocol11m 4s
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9. Trivial File Transfer Protocol5m 33s
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10. Hypertext Transfer Protocol8m 16s
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11. Post Office Protocol v36m 59s
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12. Network Time Protocol5m 59s
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13. Internet Message Access Protocol6m 38s
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14. Simple Network Management Protocol7m 22s
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15. Lightweight Directory Access Protocol8m 53s
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16. Hypertext Transfer Protocol Secure7m 52s
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17. Server Message Block7m 59s
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18. Syslog Analysis and Monitoring6m 9s
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19. SMTP TLS E-mail Security7m 53s
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20. Secure Lightweight Directory Access Protocol5m 1s
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21. Secure IMAP Traffic4m 24s
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22. POP3 SSL Secure E-mail Connections3m 33s
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23. Course Summary56s
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