Network monitoring guide — DNS traffic, privacy, no cloud dependency, local management
Guides
Practical guides on DNS traffic monitoring, passive network observation, and building privacy-first network hardware with no cloud dependency and local management.
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DNS Monitoring
How to monitor DNS traffic on a home network
DNS is the phone book of the internet. Every device on your network queries it constantly. Here's how to watch that traffic, understand what it tells you, and why a passive DNS monitor with no cloud dependency is the privacy-first way to do it.
June 2026
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Network Observability
What is a passive network monitor — and why it's not a firewall
A passive network monitor watches traffic without modifying it. It doesn't block, filter, or act as a firewall. It tells you what's happening so you can decide what to do. Here's the difference between observation and intervention.
June 2026
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Privacy
No cloud dependency: why local management matters for a network device
Most network hardware wants a cloud account, a subscription, or an internet connection to function. A network firewall appliance with local management and no cloud dependency works entirely on your network. Here's why that matters and what you give up when you go cloud-first.
June 2026
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Data Retention
Volatile memory: why no data retention is a feature, not a bug
Most devices store data to permanent storage — flash, SSD, cloud. A network monitor that uses volatile memory only means when you pull the power, the data stops existing. No data retention by design. Here's how it works and why it's the strongest privacy guarantee a hardware device can make.
June 2026