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How to Check Windows Firewall Status on Windows 11 and 10 (and Fix It Safely)

How to Check Windows Firewall Status on Windows 11 and 10 (and Fix It Safely)

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11 min read
Your Tuya ZigBee Network Is Fine Until It Isn't: Mesh Basics for Wall Switches

Your Tuya ZigBee Network Is Fine Until It Isn't: Mesh Basics for Wall Switches

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3 min read
Network Equipment

Network Equipment

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3 min read
Realtime Mobile Network Handoffs API Boundaries for Collaborative Cursor Recovery

Realtime Mobile Network Handoffs API Boundaries for Collaborative Cursor Recovery

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5 min read
Docker Container Can't Reach the Internet: 5 Fixes That Actually Work

Docker Container Can't Reach the Internet: 5 Fixes That Actually Work

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5 min read
Active Directory for Genetec Security Center

Active Directory for Genetec Security Center

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7 min read
tcpdump and Wireshark Filters for IPv6: Practical Recipes and the Extension Header Caveat

tcpdump and Wireshark Filters for IPv6: Practical Recipes and the Extension Header Caveat

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4 min read
Local-First AI Agent Testing: How to Expose Local MCP Servers Safely Without Compromising Host Security

Local-First AI Agent Testing: How to Expose Local MCP Servers Safely Without Compromising Host Security

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12 min read
IXP Basics for Small Networks: Route Servers, Peering Policies, and PeeringDB

IXP Basics for Small Networks: Route Servers, Peering Policies, and PeeringDB

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5 min read
NetFlow, sFlow, and IPFIX for a Small ISP: Choosing a Flow Export and Reading It

NetFlow, sFlow, and IPFIX for a Small ISP: Choosing a Flow Export and Reading It

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4 min read
Rate Limiting and Banning IPv6 Clients by /64 with nftables

Rate Limiting and Banning IPv6 Clients by /64 with nftables

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4 min read
IPv6 Logging and Abuse Handling: Why the /64 Is the Unit

IPv6 Logging and Abuse Handling: Why the /64 Is the Unit

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4 min read
GeoIP and Geofeeds: Getting an IPv6 Prefix Located Correctly

GeoIP and Geofeeds: Getting an IPv6 Prefix Located Correctly

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4 min read
BFD Basics: Fast Failure Detection for BGP and Static Routes

BFD Basics: Fast Failure Detection for BGP and Static Routes

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4 min read
Isolating East-West Traffic: Default-Deny NetworkPolicy and Observability with Cilium Hubble

Isolating East-West Traffic: Default-Deny NetworkPolicy and Observability with Cilium Hubble

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9 min read
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