Showing items from OPNsense

How to Run OPNsense in a Proxmox Virtual Machine for Evaluation Purposes

Have you wanted to take a look at OPNsense without installing it to a dedicated machine and/or deploying it as your primary home router/firewall? The …

A Feature Comparison of the OPNsense Plugin Zenarmor (formerly Sensei) by Sunny Valley Networks

Dustin Casto
February 17, 2020
(Updated: May 10, 2021)
Security
OPNsense ,Sensei ,Zenarmor

Sunny Valley Networks is a company that has partnered with Deciso, the creators of OPNsense, to create a plugin called Zenarmor (formerly Sensei) …

How to Redirect Unencrypted DNS Requests to Your Local DNS Resolver in OPNsense

Dustin Casto
January 25, 2021
(Updated: April 21, 2021)
Routers
OPNsense ,DNS ,Pi-hole

When I first set up my home network using my OPNsense router and was learning firewall rules, I took the approach of allowing only the Unbound DNS …

How to Configure DHCP When Using VLANs in OPNsense

Dustin Casto
February 28, 2020
Routers
OPNsense ,DHCP

When you are new to creating VLANs on your network, you may wonder about the necessary steps in order to create a properly functioning VLAN. If you …

Inadvertently Opened SSH Remote Access

Dustin Casto
February 18, 2020
Firewalls
OPNsense

In my network, I created an alias for all of the ports I have open on my server so that I can create firewall rules to allow several of my VLANs to …

How to Protect Against the Cable Haunt Vulnerability Using OPNsense

Dustin Casto
January 22, 2020
(Updated: February 3, 2020)
Modems
OPNsense

Cable Haunt is a recent vulnerability that has been found in over 200 million cable modems in Europe and likely many more in other countries as well. …