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 …
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A Feature Comparison of the OPNsense Plugin Zenarmor (formerly Sensei) by Sunny Valley Networks
Sunny Valley Networks is a company that has partnered with Deciso, the creators of OPNsense, to create a plugin called Zenarmor (formerly Sensei) …
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How to Redirect Unencrypted DNS Requests to Your Local DNS Resolver in OPNsense
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 …
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Create an OPNsense Virtual Machine in VirtualBox for Screenshot or Evaluation Purposes
When creating content for this website, I often have the need to take screenshots of the OPNsense web interface. Sometimes I am able to use my actual …
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How to Configure DHCP When Using VLANs in OPNsense
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 …
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Disable Logging into OPNsense as the Root User
After installing OPNsense, the default login is the root user. Logging in as the root user is generally not advised because the root user has full …
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Inadvertently Opened SSH Remote Access
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 …
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How to Protect Against the Cable Haunt Vulnerability Using 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. …
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