Browsing Tag
Networking
70 posts
Non-Geolocatable IP Ranges: Full Table and Fix Code
Why Your IP Lookup Returns Nothing: A Range Reference An IP geolocation lookup returns nothing for four different…
Stop hiding behind Code (Comfort Zone)
I missed a chance to take center stage at a networking event yesterday. Why? Because I chose my…
EEM 101: On-Box Automation That Runs Even When Your NMS Doesn’t
This is Part 1 of a 5-part series on Cisco EEM. We start here with the fundamentals and…
Turn any PHP host into a gateway to your local network with host2gateway
Ever wanted to turn a simple PHP host into a gateway for your local network? I built host2gateway…
How to Detect VPNs, Data Centers, and Suspicious Traffic Using ASN Data
How to Detect VPNs, Data Centers, and Suspicious Traffic Using ASN Data Most developers think about IP intelligence…
Who’s Going To RubyConf 2026?
RubyConf holds a special place in my heart. It was the very first tech conference I attended after…
Azure MANA NIC Rollout: Could It Impact Your Aviatrix Gateways?
If you run Aviatrix on Azure, there is a slow-moving infrastructure change happening underneath your gateways right now…
What I learned building 9 network tools on iOS without entitlements
A few weeks ago I shipped NetDiag+, an iOS network toolkit — ping, traceroute, DNS, whois, port/LAN scan…
Things they don’t tell you about building (or buying) an SBC
Was helping a friend’s team evaluate Session Border Controller options recently, and the conversation reminded me how much…
WireGuard 技术解析：下一代 VPN 协议的设计、优势与实践
WireGuard 技术解析：下一代 VPN 协议的设计、优势与实践 [TOC] 引言 在虚拟专用网络（VPN）领域，传统协议如 OpenVPN 和 IPsec 长期占据主导地位，但它们也面临着配置复杂、代码臃肿、性能瓶颈等挑战。WireGuard 作为一款现代的、开源的 VPN 协议，自 2015 年由 Jason A.…
