Join Mike Chapple for an in-depth discussion in this video Network ports, part of CompTIA Security+ (SY0-501) Cert Prep: 2 Technologies and Tools.
- [Instructor] IP addresses may uniquely identify…each system on a network,…but those systems may be responsible…for running many different services.…That's where network ports come into play.…Network ports are particular locations on a system…associated with a specific application.…Imagine that each computer on the network…is an apartment building,…and each application is an individual apartment.…The IP address on the computer…is like the street address on the apartment building.…But once you arrive at the building,…you need specific instructions…to get to the right apartment.…
The network port is like the apartment number…guiding traffic to the correct application.…Network ports are represented using a 16-bit binary number.…When we write that out in decimal form,…we have two to the 16th power, or 65,536 possible values.…Just as with IP addresses, we start counting at zero,…so port numbers may range from zero to 65,535.…Different ranges of ports are used in different ways.…
Ports between zero and 1,023…are known as the well-known ports.…
- IP addresses
- Routers, switches, and bridges
- VPNs and VPN concentrators
- Network intrusion detection and prevention
- Managing secure networks
- Tuning and configuring SIEMs
- Troubleshooting digital certificates
- Personnel, host, and mobile device security
- Mobile device management and tracking
- Securing common protocols
Skill Level Beginner
IT Security Foundations: Core Conceptswith Lisa Bock1h 13m Beginner
Insights from a Cybersecurity Professionalwith Mike Chapple32m 15s Appropriate for all
1. TCP/IP Suite
2. Network Security Devices
3. Managing Secure Networks
4. Wireless Networking
5. Security and Monitoring Technologies
6. Security Assessment Tools
7. Security Troubleshooting
8. Personnel Security
9. Host Security
10. Mobile Device Security
11. Securing Protocols
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