![]() If I remember correctly many years ago, even iptables had a substitute for the functionality that was removed because it was not necessary to anyone. The firewall may prohibit communication due to port permissions, and if you wish to open the port for this cause, type this command: sudo ufw allow 22/tcp. I have always been a little surprised that in the linux environment the control per app is quite marginal. To open the OpenSSH port for outgoing and incoming communication, type this command: sudo ufw allow openSSH. I also used the fw controls as a kill switch for vpn in some sense. It stealths your computer’s ports against hackers and it blocks malicious software from transmitting your confidential data over the internet. It checks that all network traffic in and out of your computer is legitimate. I once tried to cut out ads in Spotify and managed to get the results as such. Comodo Firewall offers the highest levels of security against inbound and outbound threats. Sometimes I will also use fw as a simple ad blocking system if I know that the application uses a specific IP / Port for ads. Such a fetish and in a sense also greater control over privacy. The fact that I will allow a web browser to access 443/80 does not mean that I immediately want every other application to have 443/80. ![]() I like to have an impact on what an app has access to and when. so mostly all you will get are scanners, not realtime protection, unless you use a paid antivirus, like eset, which should protect continuously. ![]() I -insert Add a rule to a chain at a given position. D -delete Remove specified rules from a chain. C -check Look for a rule that matches the chain’s requirements. avast results confused me the times i tried it. Here is a list of some common iptables options: -A -append Add a rule to a chain (at the end). Personally, I prefer full control of in / out traffic. other antivirus programs are avast and comodo, some people say comodo is bloated or problematic, and perhaps not even secure anymore. I agree that if you don’t care about that there’s very little need to every touch your firewall config. Currently, I have a group of users who are faced with choosing a transition from W7 to W10 or some friendly linux distribution.ĭepends on whether you want to control outgoing connections as well as incoming. But on desktops especially Windows always prefers a strict per-app policy. Iptables have always been enough for servers for me. No idea about a GUI to do any of these things. Then there are these alternative approach where you can use iptables directly with a process group or you can hook yourself into the app using LD_PRELOAD or using some kind of kernel sandbox API into the system. and then you’d have everything coming from a container interface into the root container going through an iptables ruleset. I can imagine it working in some way by putting an application inside of a network container, basically you’d wrap it with a script, that does something akin to ip netns exec. Now you just need to go in the ' gui ' folder (you'll find it in the lpfw directory) and double click gui.py. Linux per-application firewalls - Doable? Douane.These “Application Based Firewalls” are usually a privacy enhancing kind of thing - very useful when you have a habit of running stupid apps from random sources (various app stores and such). Just follow the instructions listed here. ![]() Viewtopic.php?f=47&t=216063&hilit=application+firewall "Comodo" does have an antivirus system for Linux, but I'm not sure if that includes their firewall, and it does not always install properly on some Linux Mint systems, so backup first before installing it. And, in the post link below are other options as well, perhaps "Douane". Extra Layer of Protection As stated, Linux is made such that its extremely difficult for malwares and other security glitches to happen. "Firejail" is a current, well maintained, relatively easy to use option that would work, Leopard Flower personal firewall, "Nanny" is another possible option for you to use. Windows 7 and later OS X 10.9 and later Ubuntu, Debian, Fedora, RHEL, Mint, CentOS, OpenSUSE, SLES IA-32 and 圆4 Antivirus, personal firewall Freemium. But, as you pointed out there is no easy per application options in it (yet). You do not have the required permissions to view the files attached to this post. Or use the GUI of firewall found in the main menu. I really like the "Gufw" for Linux because it is simple and works well. Re: How to turn off Firewall in Linux Mint 19 for testing. If you run " inxi -Fxzd" from the console terminal prompt, highlight the results, copy and paste them back here, that should provide enough information. It would help to know more about your system setup. I just read your post and the good replies to it. Welcome to the wonderful world of Linux Mint and its excellent forum ! ![]()
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