Posted inNetworking
Stop Sending Users Across the Globe: Building GeoDNS with PowerDNS
Stop wasting milliseconds. Learn how to build a self-hosted GeoDNS using PowerDNS to route global traffic to the nearest server for maximum performance.
Posted inNetworking
Speed and Stability: Configuring MultiPath TCP (MPTCP) on Linux
Combine multiple network links for double the speed and 100% uptime. This guide shows you how to configure MultiPath TCP (MPTCP) on modern Linux systems using native kernel tools.
Posted inNetworking
SR-IOV on Linux: Slashing Latency and Reclaiming CPU for Virtual Workloads
Tired of network latency in your VMs? Learn how to configure SR-IOV on Linux to bypass the kernel, reduce CPU overhead, and achieve near-native networking speeds.
Posted inNetworking
Hardening DNS Infrastructure: Using dnsdist for Smart Load Balancing and DDoS Defense
Boost your DNS reliability and security. This guide shows you how to deploy dnsdist for intelligent load balancing, rate limiting, and DDoS protection.
Posted inNetworking
Ubuntu Dual WAN Load Balancing and Failover with IPRoute2 and Netplan
Learn how to configure Dual WAN Load Balancing and Failover on Ubuntu Server using IPRoute2 and Netplan. This guide covers policy-based routing and automated health checks for high-availability networking.
Posted inNetworking
Stop Using ifconfig: A Guide to Professional Networking with nmcli
Ditch deprecated tools like ifconfig. Learn how to use nmcli for professional Linux networking, including static IP setup, DNS management, and SSH safety tips.
Posted inNetworking
Bypassing Strict Firewalls with Chisel: A 6-Month Production Review
Is your firewall blocking everything but port 443? Here is a 6-month field report on using Chisel to tunnel TCP/UDP traffic over WebSockets with zero downtime.
Posted inNetworking
Multicast Routing on Linux: A Practical Guide to IGMP Proxy and pimd
Tired of high bandwidth usage? Learn how to use IGMP Proxy and pimd to route multicast video streams on Linux, based on real-world production experience.
Posted inNetworking
Wireless Surveillance: What 6 Months of Hunting Rogue APs with Kismet Taught Me
I spent 6 months using Kismet to monitor rogue wireless signals. Here's a practical guide on setting up a Linux WIDS to detect Evil Twins and unauthorized hardware.
Posted inNetworking
Deploying phpIPAM on Linux: Professional IP, VLAN, and Subnet Management
Ditch the spreadsheets and manage your network like a pro. This guide shows you how to deploy phpIPAM on Linux to centralize IP, VLAN, and Subnet management.