HomeLab OPNsense Router & Firewall Setup

๐Ÿ’ก HomeLab OPNsense Router & Firewall Setup โ€” Executive Summary

Technical architectural analysis, practical configuration manifests, and deployment instructions for HomeLab OPNsense Router & Firewall Setup.

Step 0: Preparation

Purchase Hardware
Download Image
  • select amd64 โ†’ vga โ†’ downalod
Create Bootable USB Disk
bash
brew install balenaetcher --cask
Boot
  • BIOS entry: f2, f7, f11, DEL
  • In my case DEL

Step 1: CUI, CLI

Installation
Initial password
bash
# ๋””์Šคํฌ ์ธ์Šคํ†จ๋Ÿฌ๋กœ ๋กœ๊ทธ์ธ
installer / opnsense

# ๋ฃจํŠธ ์ดˆ๊ธฐ ํŒจ์Šค์›Œ๋“œ
root / opnsense
Keyboard Mapping
  • Use default. Just enter
File system and options
  • If RAM is 8GB or more, select ZFS, if less than 8GB, select UFS
RAIDE Option
  • Select stripe
  • as there is only one SSD.
  • After selecting the disk OK
Reset Root Password
  • Letโ€™s proceed for security reasons.
  • After completion, click reboot, confirm shutdown, and remove the USB disk before turning on. (Reboots from USB in boot order)
Initialize
Assign interface
  • enter 1
LAGG, VLAN, WAN, LAN
  • LAGG: N
  • VLAN: N
  • WAN: igc0
  • LAN: igc1
References and Guidelines (NOTE)

โ€“ LAGG: Technology that combines two or more interfaces and uses them as one interface
โ€“ VLAN: A physically insufficient LAN can be divided virtually and used as if more equipment exists

Step 2: GUI

Configuration wizard
  • Hardware required:
  • Connect WAN such as telecommunication company modem to WAN port
  • Connect your personal laptop to the previously declared LAN port by wire
  • Access to https://192.168.1.1/
  • Once connected, you will be automatically moved to the Configuration wizard page.
General Information
WAN Setting
  • As this is a WAN setting, if assigned by ISP, set to DHCP, and in special cases where a static IP assignment is required, set to Static
LAN Setting
  • LAN will be set up with DHCP, so just check the band and Next
Finish
  • The root password has already been initialized, so just scroll through it and the configuration is complete
Existing equipment running in AP mode
References and Guidelines (NOTE)

OPNSense can provide its own routing function, but since its wireless communication function is not good, it is recommended to use a separate router product in AP mode after installing it on hardware without a Wi-Fi function.

  • All freeBSD-based OSs have excellent performance/security, but additional features such as wireless technology are said to be poor.
  • High-performance router OSs are generally referred to as Linux-based OS.

Step 3: Features

  • Please refer to the following document for further settings:

  • CLI

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