Home Network Build #5 - Spies! Double NAT FTW!

Published: 09 July 2024
on channel: Bruce Hartpence - Learning Networks
390
12

With this video we return to the original question: What's on my network? In this case - where are these queries coming from and who is doing the asking? Even better - is there something we can do about it? So, we have three new protocols and another industry group:
TR-064 LAN-Side DSL CPE Configuration
TR-069 CPE WAN Management Protocol
IEEE 1905.1 Convergent Digital Home Network for Heterogeneous Technologies

These protocols are very helpful but, they can also peer into your network an query "private" devices. To get around that, we deploy NAT behind NAT or double NAT!

This whole series started with the question: What's on my network? And here is the video series:
What's at layer 4 - applications?    • What's on my network at layer 4 - let...  
What's at Layer 3 -    • What's on my network at Layer 3? You ...  
Home Ethernet -    • Ethernet and your Home Network - lear...  
What the heck? Getting started at home -    • What the heck is on my network?  
Scans and Speed tests -    • Home Network Build #2 - Site Survey T...  

We are going to start with the wireless side of things so here is the more in-depth 802.11/WiFi series:
Part 1 The Alphabet Soup of Standards:    • 802.11 Wireless part 1: Alphabet Soup...  
Part 2 Access Points and Joining a Cell:    • 802.11 Wireless part 2: Access Points...  
Part 3 Header Control fields:    • 802.11 Wireless part 3: Peek into fra...  
Part 4 Getting started with the access method - the PCF and DCF:    • 802.11 Wireless part 4: Getting start...  
Part 5 802.11 Wireless part 5: Sending data in the DCF, obeying CSMA/CA and deciding on RTS/CTS:    • 802.11 Wireless part 5: Sending data ...  
802.11 Part 6: Comparing wired and wireless topologies with iperf3:    • 802.11 Part 6: Comparing wired and wi...  
802.11 Part 7: Network Construction:    • 802.11 Part 7: Wireless Network Const...  
802.11 Security:    • 802.11 Part 8: Wireless Security  

Books and other products for networkers

Packet Guide to Core Network Protocols: https://www.oreilly.com/library/view/...

Packet Guide to Routing and Switching: https://www.oreilly.com/library/view/...

Packet Guide to Voice over IP: https://www.oreilly.com/library/view/...

Network Engineering Fundamentals: https://www.oreilly.com/videos/networ...

Advanced Network Engineering: https://www.oreilly.com/videos/advanc...

Virtualization, Networking, and Storage: https://www.oreilly.com/videos/virtua...


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