Opnsense web filter, I have only now attempted to create a rule of this type. -Web Filtering. Visit the article AutoCert: Automatically push custom SSL certificates to OPNsense for more information. -Caching Proxy. A caching proxy reduces bandwidth and improves response times by caching and reusing frequently-requested web pages. . -Transparent Proxy (including SSL). For this this How-to we will utilize the UT1 “web categorization list” from the Université Toulouse managed by Fabrice Prigent. For this How-to we will utilize the UT1 “web categorization list” from the Université Toulouse managed by Fabrice Prigent. Feb 20, 2026 · When creating a firewall rule in the Web GUI and selecting a Microsoft well-known port from the drop-down list, no rule is created in PF. OPNsense is equipped with a fully featured forward caching (transparent) proxy. May 3, 2025 · Zenarmor Web Control Rules on OPNsense Web Controls are web-specific controls that you can apply to web browsing activities. Setup Web Filtering Category based web filtering in OPNsense is done by utilizing the build-in proxy and one of the freely available or commercial blacklists. OPNsense Web Filter plugin - community edition. For this tutorial we will assume: Proxy In episode 4 of our cyber security virtual lab building series, we continue with our Opnsense firewall configuration and configure the transparent proxy and web filtering features. If a non-Microsoft port is selected, the firewall rule is created. py script lets users automatically push and apply custom SSL certificates to OPNsense instances, using both the OPNsense API for certificate handling and the OPNsense web interface for certificate activation. #The URL of the Additionally, Zenarmor, one of the best OPNsense plugins, allows you to define user-based filtering rules using the captive portal to protect your users. For username resolution, Zenarmor supports Active Directory and OPNsense Captive Portal. -Access Control List. Setup Transparent Proxy OPNsense offers a powerful proxy that can be used in combination with category based web filtering and any ICAP capable anti virus/malware engine. Features include: Multi Interface Support Transparent Mode (including SSL/HTTPS) ICAP Support In this video i will show you how to Setup : -Blacklist. The supplied autocert. The proxy can be configured to run in transparent mode, this mean the clients browser does not have to be configured for the web proxy, but all traffic is diverted to the proxy automatically by utilizing Network Address OPNsense® is an open-source, user-friendly firewall and routing platform that combines the extensive features of commercial products, ranging from a stateful firewall to web application control and integrated inline intrusion detection and prevention. Setup Web Filtering Category based web filtering in OPNsense is done by utilizing the built-in proxy and one of the freely available or commercial blacklists. The Access Control Lists can be utilized for user authentication and or as (category based) web filter. Contribute to cloudfence/opnsense-webfilter-plugin development by creating an account on GitHub. Nov 3, 2025 · OPNsense Masterclass: Implementing Captive Portal and Squid Proxy Filtering A complete, step-by-step lab for building a secure GuestNET with user authentication and web filtering. This list is supplied for free under the Creative Commons license.


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