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Mastering nftables on CentOS Stream 9: Replacing iptables for Optimized Firewall Performance

By admin July 26, 2026

Say goodbye to iptables; nftables is the new standard on CentOS Stream 9. Learn how to optimize your firewall using Sets and Verdict Maps for better system performance.

Network

Transparent Linux Bridge Firewall with nftables: Network Control Without Changing IPs or Topology

By admin July 16, 2026

A transparent firewall using Linux bridge and nftables lets you control all network traffic without changing IP addresses or the existing topology. The ideal solution when you need to add security to a production system without causing downtime or reconfiguring any running servers.

Network

Configuring Transparent Proxy with TPROXY on Linux: Redirecting All TCP/UDP Without Per-Client Configuration

By admin July 9, 2026

TPROXY is a Linux kernel mechanism that intercepts and redirects all TCP/UDP traffic before clients can react — smart TVs, IP cameras, and IoT devices are intercepted without knowing it. From a 5-minute quick start to production-ready setup with nftables, SSL bump, and a practical debug checklist.

Fedora

Turn Fedora Server into a Pro Router: Optimizing NFTables and Kea DHCP

By admin May 10, 2026

A guide on turning Fedora Server into a professional router. Use NFTables for high-speed firewalling and Kea DHCP for modern local network management.

Security

Moving from iptables to nftables: Why It’s a Mandatory Step for SysAdmins

By admin April 22, 2026

Iptables is outdated and slow. Discover how nftables optimizes firewall performance, supports IPv4/IPv6 simultaneously, and how to safely migrate your Linux system.