codesecho

SHELF · 4 titles

Bookshelf

Book-length guides on the systems codesecho covers, for when an article isn't enough.

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Cover of MikroTik VPN Configuration Handbook

NET Tested on RouterOS 7.24

MikroTik VPN Configuration Handbook

Tested RouterOS 7 Setups for WireGuard, IPsec, L2TP, SSTP and EoIP — Site-to-Site, Remote Access, and the Firewall Rules Tutorials Leave Out

Working RouterOS 7 tunnels for WireGuard, IPsec, L2TP, SSTP, OpenVPN and EoIP, including the firewall, routing and NAT rules that make them carry traffic.

What's inside

  • WireGuard and IPsec site-to-site, plus remote access with L2TP, SSTP and OpenVPN
  • The four things every tunnel needs: input rule, route, NAT bypass, forward rule
  • CGNAT, hub and spoke, strongSwan interop, and failover with OSPF
  • Troubleshooting: tunnel up but no traffic, logs, sniffer, MTU and MSS
Read on Kindle → Chapters and sample →
Cover of FortiGate 7.6 in Production

NET Tested on FortiOS 7.6.7

FortiGate 7.6 in Production

Volume 1: Policies, NAT, VIPs and Routing

16 typical production incidents, rebuilt on real FortiOS 7.6 and solved step by step, in a free lab you can build on your own PC.

What's inside

  • A six-step incident method, and the packet path through FortiGate
  • Debug flow, the sniffer and routing commands, with a cheat sheet
  • Incidents in firewall policies, source NAT, VIPs, static and policy routes
  • OSPF and BGP failures, from ExStart to announcing private networks
Read on Kindle → Chapters and sample →
Cover of Real-World Firewall Lab Scenarios

NET Tested on pfSense CE 2.9.0

Real-World Firewall Lab Scenarios

Multi-WAN, VPN & IDS Labs with pfSense® CE for Home and Business Networks

Build it, prove it, break it, fix it: firewall rules, NAT, multi-WAN, VPN, IDS and high availability on pfSense CE 2.9.0, every listing recorded in a free lab.

What's inside

  • Firewall rules, VLANs, NAT, port forwards, DNS and DHCP
  • Multi-WAN failover, load balancing and policy routing
  • Site-to-site IPsec, OpenVPN and WireGuard remote access
  • Suricata IDS/IPS, CARP high availability, lockouts and updates
Read on Kindle → Chapters and sample →
Cover of Windows Storage and Networking Commands

NET Covers Windows 10/11, Server 2016–2025

Windows Storage and Networking Commands

The Complete Command-Line Reference for Administrators and Power Users

The complete command-line reference for Windows storage and networking, with both CMD and PowerShell forms and step-by-step troubleshooting playbooks.

What's inside

  • Disk inventory, diskpart, partitioning, file system repair and fsutil
  • Shares and SMB, Storage Spaces, virtual disks and iSCSI
  • IP configuration, DNS, ports, routing, Windows Firewall and packet capture
  • Playbooks: disk full, write-protected USB, DNS wrong, port in use, slow network
Read on Kindle → Chapters and sample →