In the webConfigurator, disable the DNS resolver(Services -> DNS Resolver -> General Settings).NxFilter GUI and block page will need to use port 80. Run these commands, which downloads the install script from this Github repository and then executes it with sh.Log in to the pfSense command line shell as root.In the webConfigurator, create firewall rules(Firewall -> Rules -> LAN) to allow access to the LAN address for NxFilter udp poand tcp ports 80, 443, 19002:19004.NxFilter provides filtering DNS services on port 53. The first step with any issue should be to stop and start the NxFilter service. Grep -i error /usr/local/nxfilter/log/nxfilter.log You should then check the nxfilter.log file in the /usr/local/nxfilter/log/ directory for errors. Issues with the script might include problems downloading packages, installing packages, interactions with pfSense such as dependency packages being deleted after updates, or incorrect dependencies being downloaded. Feel free to open an issue for anything like this. Issues with the NxFilter software might include not starting up, not listening on port 53, exiting with a port conflict, stopping after startup, memory issues, file permissions, dependency conflicts, etc. You should troubleshoot these issues as you would on any other installation of NxFilter. The answers to most questions about setting up or troubleshooting NxFilter are found most quickly on the NxFilter forums. It may turn out that some issue with the NxFilter software is caused by something this script is doing. In a case like that, if you can connect the behavior of the NxFilter software with the actions taken by the script, please open an issue, or, better yet, fork and fix and submit a pull request. This script may create a conflict that breaks Java on a FreeBSD upgrade.DNS filtering is an important part of a well planned firewall. Not only does DNS filtering help protect users from accessing dangerous or unwanted domains, but it can significantly reduce the amount of unwanted traffic on your network. Pi-hole is a free resource that is intended to block ads. Feel free to share this post if you find it useful so that everyone can benefit from it.OpenDNS is intended to be more of a firewall and is free for home use, but has commercial support available. Please let me know if you encountered any issue. Congratulations if you made it so far, which means that you have successfully upgraded your NxFilter installation. That’s it, to exit from the tail command you can press Ctrl + Z. It will take a while for it to start up the configuration, just be patient, and you will see the following scrolling messages: Once all files have been extracted, you can now start NxFilter again using the following command: sudo systemctl start nxfilterĪnd you can monitor the progress using the following command: tail -f /nxfilter/log/nxfilter.log Use the following command to give execute permission to all the scripts: sudo chmod +x *.sh Step 6. Change permission on all the scripts in the /nxfilter/bin location In my example, it was location at /nxfilter sudo unzip nxfilter-4.5.1.5.zip -d /nxfilterĪnswer “A” to overwrite all the files in the installation location. Run the following command to extract the zip file to the folder where you have installed NxFilter. Run the following command to stop NxFilter, please note that devices that rely on NxFilter will not have access to internet, so you might want to plan this upgrade. Then right click on the latest zip file and use the wget command to download it in your Raspberry Pi wget Step 3. Head to the download location from the official website in the following link: Use the following script in the command line to download the latest version zip file of NxFilter. Then click on the “Create backup” button and save the configuration somewhere safe in your pc. For this purpose login to your nxfilter and go to Config->Backup as shown in the following picture: If you have spent hours to configure your nxfilter, you might want to backup your configuration. So when you have been prompted that there are new release of the NXFilter, you might want to start planning for the upgrade to what you have installed. This post will make the update process less daunting. If you have followed my previous post on how to install NXFilter on Raspberry Pi, you might find the following information useful to upgrade what you have installed.ĭue to the ever changing world that we lived in, the software will have constant update.
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