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Does a VPN Slow Down Your Internet? What Actually Costs Speed

Does a VPN Slow Down Your Internet? What Actually Costs Speed

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5 min read
A Dead Session Looks Exactly Like a Dead Proxy

A Dead Session Looks Exactly Like a Dead Proxy

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5 min read
Isolating Autonomous AI Coding Sandboxes & Fixing Tailscale Subnet Collisions (nftables, macOS pf, 4via6 & MCP)

Isolating Autonomous AI Coding Sandboxes & Fixing Tailscale Subnet Collisions (nftables, macOS pf, 4via6 & MCP)

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3 min read
Monitoring MikroTik RouterOS with snmp_exporter and Grafana: CPU, memory, traffic, errors, and five PromQL alerts

Monitoring MikroTik RouterOS with snmp_exporter and Grafana: CPU, memory, traffic, errors, and five PromQL alerts

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3 min read
An IP Risk Score Is Not Attacker Probability: Reading risk.score on IP99

An IP Risk Score Is Not Attacker Probability: Reading risk.score on IP99

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6 min read
☸️ Kubernetes Networking Explained: What Actually Happens When You Access an Application?

☸️ Kubernetes Networking Explained: What Actually Happens When You Access an Application?

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7 min read
ORA-03113 After the Connection Sat Idle: The Firewall Forgot It

ORA-03113 After the Connection Sat Idle: The Firewall Forgot It

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11 min read
Cloudflare Tunnels — Public Access Without Port Forwarding

Cloudflare Tunnels — Public Access Without Port Forwarding

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5 min read
Kubernetes NetworkPolicy: isolate and test traffic

Kubernetes NetworkPolicy: isolate and test traffic

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6 min read
A Security+ style PBQ, solved step by step: firewall rules from a scenario

A Security+ style PBQ, solved step by step: firewall rules from a scenario

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4 min read
3 Cloud Networking Math Traps That Break Production (and a Zero-Upload Workbench)

3 Cloud Networking Math Traps That Break Production (and a Zero-Upload Workbench)

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3 min read
Linux curl Command: 5 Examples Every Developer Should Know

Linux curl Command: 5 Examples Every Developer Should Know

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3 min read
Rollback Needs a Network Plan Too: Reversing a Cross-Cloud Cutover Without Stranding Traffic

Rollback Needs a Network Plan Too: Reversing a Cross-Cloud Cutover Without Stranding Traffic

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5 min read
Framework abstraction obscures core HTTP mechanics for developers and hobbyists, causing troubleshooting inefficiencies.

Framework abstraction obscures core HTTP mechanics for developers and hobbyists, causing troubleshooting inefficiencies.

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9 min read
Stop Re-Adding IP Addresses by Hand: Practical systemd-networkd on Linux

Stop Re-Adding IP Addresses by Hand: Practical systemd-networkd on Linux

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10 min read
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