Tagged networking

Extract and analyze router and IoT firmware to find security vulnerabilities

Analyze disk images, memory dumps and pcaps in CTF forensics challenges

Enumerate DNS servers on port 53 for zone transfers, subdomains and tunnels

Resolve DNS records in bulk and filter wildcard results with dnsx

Discover services inside a Kubernetes cluster from a pod using DNS recon

Discover Kubernetes services through DNS PTR, SRV and zone transfer probes

Find open ports fast with naabu SYN and connect scans before deeper testing

Run detailed Nmap scans for service versions, OS fingerprints and NSE checks

Operate the Sliver C2 framework with mTLS, DNS and WireGuard implants

Combine DNS brute force, OSINT and crawling to find more subdomains

Find dangling DNS records and take over subdomains pointing at unclaimed services

Pick one matching thinking model for a problem, or none, before you start

Build animated HTML demos of TCP/IP, Ethernet, routing, DHCP and HTTPS flows

Route any Rust question to the right errors, design or coding guidance

Route audio jobs to StepFun speech tools or to meeting minutes workflows

Route coding agent setup problems to fixes for plugins, statusline and models

Diagnose Cloudflare redirect loops, SSL and DNS problems through the API

Route Word, PDF, Excel and Markdown document tasks to the right specialist

Route finance requests to the right data specialist for US, A-share or research

Route Feishu and Lark docs, drive, calendar and chat tasks through lark-cli

Diagnose Tailscale, proxy, DNS and SSH tunnel connectivity failures on macOS and Windows

Map the IP ranges of an organization via ASN, CIDR and reverse DNS lookups

Force all traffic through Tor using Linux network namespaces with no DNS leaks

Find origin IPs behind a CDN or WAF using favicon hashes, DNS history and certs

Scan large IP ranges for open ports with Masscan, RustScan and nmap banners

Scan hosts with nmap to find MySQL, Redis, FTP, SSH and internal API services

Run passive domain recon for subdomains, SSL certificates, WHOIS and DNS records

Connect MATLAB to PX4 or ArduPilot drones over MAVLink using UDP

Create human verification tasks for an agent and track the returned proof

Create and manage Hetzner Cloud servers, networks, firewalls and volumes with hcloud

Design VPCs with subnets, route tables and security groups

Set up Azure VNets, NSGs and Azure Firewall with hub-spoke networking

Configure DNS zones and records in Route 53, Cloud DNS or self-hosted DNS

Configure iptables, nftables and cloud firewalls with segmentation and filtering

Configure GCP VPCs, firewall rules, Cloud NAT and Private Service Connect

Apply CIS benchmarks to Linux servers with SSH, firewall and user hardening

Set up WireGuard, OpenVPN and cloud VPNs for remote access and site links

Deploy and tune web application firewalls with OWASP Top 10 rules

Call the Cloudflare REST API for bulk DNS, cache purges, WAF rules and KV bulk writes

Inspect and configure the WAF rules in front of a Power Pages production site

Debug Modbus RTU and TCP devices with register reads, slave scans and monitoring

Debug GPIB, USB, TCP and serial VISA instruments with SCPI commands and captures

Route requests to Claude Code, Codex, Gemini CLI and other ACP coding agents