Running OPNSense Firewall and Router in a Proxmox VM

#OPNSense #VirtualMachine #Proxmox #Firewall

Full steps can be found at https://i12bretro.github.io/tutorials...

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What is OPNSense?
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OPNsense is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources. - https://opnsense.org/about/about-opns...
 
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Creating the OPNSense VM
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   01. Download the OPNSense AMD64 DVD .iso  https://opnsense.org/download/
   02. Extract the downloaded OPNSense .bz2
   03. Log into the ProxMox web UI
   04. Select a storage from the left navigation pane to upload the .iso to
   05. Select ISO Images in the left sub-navigation pane
   06. Upload the OPNSense .iso file to the ProxMox ISO image library
   07. Right click the ProxMox node name ≫ Create VM
   08. Type OPNSense in the name field and set a unique VM ID ≫ Next
   09. On the OS tab, set the Type field to Linux, Version to 5.x - 2.6 Kernel and select the OPNSense .iso in the ISO Image field ≫ Next
   10. On the System tab, leave the defaults ≫ Next
   11. On the Hard Disk tab, set the Disk size field to 8 ≫ Next
   12. On the CPU tab, set Cores field to 2, Type field to Host ≫ Next
   13. On the Memory tab, set the Memory to 2048 and Uncheck Ballooning Device ≫ Next
   14. On the Network tab, set the Model field to VirtIO (paravirtualized), Uncheck the Firewall box ≫ Next
   15. Verify the summary and click Finish
   16. Click the OPNSense VM in the left navigation menu ≫ Select Hardware from the left sub-navigation menu
   17. Click Add ≫ Network Device
   18. Set the Model field to VirtIO (paravirtualized), Uncheck the Firewall box ≫ Click Add
   19. Select Options from the left sub-navigation menu ≫ Double click Use tablet for pointer ≫ Uncheck the Enabled box ≫ Click OK
   20. Right click the OPNSense VM in the left navigation pane ≫ Start
   21. Click console in the left sub-navigation menu
   22. Press Enter at the Welcome screen
   23. Wait for the login prompt to display
   24. Login with the username installer and password opnsense
   25. Select a keymap ≫ Press Enter
   26. Select Install (UFS) ≫ Press Enter
   27. Select the QEMU HARDDISK option ≫ Press Enter
   28. Select Yes to confirm destroying the contents of the disk ≫ Press Enter
   29. Wait for OPNSense to copy files and install
   30. Press Enter to Change Root Password
   31. Type and re-type a new root password ≫ Press Enter
   32. Select Complete Install ≫ Press Enter
   33. Select Shutdown ≫ Stop to power off the VM
   34. Navigate back to the Hardware options
   35. Double click the CD/DVD Drive ≫ Select Do not use any media ≫ Click OK
   36. Right click the OPNSense VM in the left navigation pane ≫ Start
   37. Click console in the left sub-navigation menu
   38. Welcome to the OPNSense terminal
 
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Configuring Network Interfaces and Web UI
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   01. At the login prompt, login with username root and the root password set earlier
   02. At the OPNSense menu, select Set interface IP address by typing 2 and pressing Enter
   03. Enter the number that corresponds to the LAN interface ≫ Press Enter
   04. At the DHCP prompt type n ≫ Press Enter
   05. Enter a LAN IP address on the same subnet as your LAN
   06. At the bit count prompt type 24 ≫ Press Enter
   07. Leave the IPv4 upstream gateway blank press Enter
   08. At the IPv6 WAN tracking type n ≫ Press Enter
   09. At the IPv6 DHCP prompt type n ≫ Press Enter
   10. Leave the IPv6 address blank and press Enter
   11. At the DHCP server prompt type n ≫ Press Enter
   12. At the revert to HTTP prompt type y ≫ Press Enter
   13. At the Restore web GUI access defaults type y ≫ Press Enter
   14. The http address of the OPNSense Web UI will be displayed
   15. Minimize the OPNSense VM and open a web browser
   16. Navigate to the web UI http address
   17. Log into the web UI with the username root and the root password set earlier
   18. Enjoy exploring OPNSense
 


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