![]() ![]() Plus, you can see all the active processes in TinyWall’s Connections monitor and see any open ports as well as the processes that are connected to the internet. TinyWall does all this without you needing to know about application details, protocols, or ports. If you find a program you use is blocked, you can add it to the whitelist and carry on with your work. An easier way of creating these exceptions is to use TinyWall’s Autolearn mode feature, which learns the programs you want to whitelist based on your usage so you can add all of them to the safe list. While TinyWall has an application scanner that scans your computer for any programs it can add to the safe list, it expects you to manually whitelist programs that you want to allow to access the web. The downside of TinyWall’s approach is that it’s easy to ignore threat alerts, which is a risk to your personal security and that of your data. TinyWall has a no-popup approach, meaning it won’t freeze your computer when you’re in the middle of something. TinyWall was designed to enhance the native Windows Defender, which is why it’s only available for Windows. TinyWall is a free, lightweight and unobtrusive firewall for Windows 10 that runs all the time to offer on-demand protection against malware, Trojans, worms, and viruses. Other features in Comodo Firewall include a games mode that enables interactive apps to operate over the web, a browser cleanup utility, and blocks malware from sending your personal data over the internet. The firewall will also check your network traffic and stealth your device’s ports against hackers. You can add exemptions for apps that can connect to the web and Comodo Firewall will alert you of any suspicious activity. Techies get multiple configuration options to customize Comodo Firewall to their liking. You may wish to modify the script to use the iptables-save and iptables-restore shell commands.Plus, Comodo Firewall has a user-friendly and attractive graphical interface without complex configuration issues, making it perfect for amateur users. ![]() Note that this script doesn't do anything to save and restore your firewall rules. Sudo iptables -A OUTPUT -p tcp -d 192.168.0.1/24 -j ACCEPTīy running the above script, you will have a shell in which you can run applications with internet access. Sudo iptables -A OUTPUT -p tcp -d 127.0.0.1 -j ACCEPT Sudo iptables -A OUTPUT -p tcp -m owner -gid-owner internet -j ACCEPT # Firewall apps - only allow apps run from "internet" group to run If you end up modifying this file, then you will need to log out and back in before the script below will work.Ĭreate a script containing the following, and run it: #!/bin/sh To recap what's in the post I linked above:Ĭreate the "internet" group by typing the following into a shell: sudo groupadd internetĮnsure that the user who will run the script below is added to the sudo group in /etc/group. ![]() You can run programs under this group by opening a shell with sudo -g internet -s. The only way for an application to access the internet is if it is run by a member of this group. It involves creating a user-group for which internet access is allowed, and setting up firewall rules to allow access only for this group. I have found the solution posted here to be a good one.
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