Gufw Firewall looks like it could match your needs:
Gufw Firewall (source: ubuntu.com; click image for larger variant)
I have not tried it out myself, but according to some screenshots it seems to fulfill your requirements:
Firewall for Ubuntu: Yes
block/allow single applications: According to the screenshot: Yes (see the "Application" drop-down ...
I used to use this, but now I use Norton, but it has the features you want (and I once wanted):
monitors outgoing access
if it isn't already saved, it asks you
shows you an informative popup (application name, action, etc..)
allow/block (multiple options, meaning different things
contains ruleset editor
I have no idea if the rules ...
OpenWrt is a rather popular option that supports AVR32, ARM, CRIS, m68k, MIPS, PowerPC, SPARC, SuperH, Ubicom32, x86, and x86-64 instruction sets.
To quote the OpenWrt about page
Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the ...
On Windows Vista and higher, you can use the built-in Firewall:
do the same for the private file and the public profile, then delete or disable all inbound and outbound rules.
Tutorial on Advanced Firewall Rules in the Windows Firewall, which is a free extension to the Windows firewall.
Each time a program will try to connect to Internet, Windows Firewall ...
The website portquiz.net can be used to check which ports are open for outbound connection, e.g. as follows (I took the command from http://thomasmullaly.com/2013/04/13/outgoing-port-tester/):
sudo apt-get install -y nmap
nmap -Pn --top-ports 1000 portquiz.net
Another way to do so, from https://gist.github.com/enginefeeder101/0805faf3862d88a97d66:
Netguard may be what you're looking for.
1) No root
2) 100% open source
3) Allow/block individual addresses per application (Paid only)
4) Also PCAP logging like Wireshark.
There is no other no-root firewall offering all these features.
Being searching for a proper GUI firewall for over 5 years and have been using firestarter, ufw, gufw with variable success. Douane was tricky to compile, and on a recent 64bit ubuntu fails to compile.
Recently ran into Opensnitch which was comparatively easy to install and use on a ubuntu box. It has two processes: a networking process that must be run as ...
On Windows XP and before, you can use Sygate Personal Firewall by Sygate Technologies:
Free to try; $39.95 to buy
Very lightweight (~10 MB of RAM)
You can see the processes with network activity and block specific .exe from accessing Internet.
Blocks everything by default (you'll have to allow every new process for tries to ...
GlassWire for Windows https://www.glasswire.com has the "Ask to connect" feature you're looking for if you go under its "Firewall" tab to switch it on/off.
Unfortunately there is nothing identical to Little Snitch, but I find GlassWire more useful because it allows you to see more network activity details than Little Snitch has. The "new" connections are ...
Windows 8 Firewall Control
The free version can monitor all outgoing connection attempts for any application, save and edit rules for the given application(s) and destination, and show an informative popup and ask the user what should be done with the connection attempt. It will allow/block (and remember the rule) based on the answer. I'm not sure if the ...
There is still an answer for your question if someone else needs a very slim alternative:
You can use the "Windows Firewall Notifier" (https://github.com/wokhansoft/WFN/releases or from several download portals).
Don't get distracted by the "Beta"-hint in its version or the fact that there was no new release for some time now. It is a very fine tool!
By the way i found a solution that can be helpful.
If you didn't yet, try Leopard Flower.
Just follow the instructions listed here
Once make command goes well, type sudo ./lpfw to let your Firewall work. Now you just need to go in the 'gui' folder (you'll find it in the lpfw directory) and double click gui.py.
Now you ...
In the end I could not figure out how to make pfsense to do what I wanted it to do. Rather than continue to fight it, I ended up buying a router from Gryphon Connect that allows me to do what I wanted to.
You can setup proxy server to restrict access on certain websites.squid is powerful utility that may be helpful for you.You can restrict access on certain time or even you can use regex.Try to install in RHEL or in Debian. Following are two links that may help you.
1) squid installation on centos-7
2) squid installation on debian
Hope this will help you!
All that you have to do is activate NordVPN's kill switch ...
From How to enable the NordVPN kill switch :
A kill switch is a VPN feature that helps protect your sensitive data in case your VPN connection goes down. In this event, it safeguards your IP address and online activity from being exposed, thus preserving your anonymity and security on the ...
You could try ZoneAlarm (https://www.zonealarm.com/uk/software/free-firewall/) - using this tutorial it will allow ports to be opened separate to individual programs (http://loadion.com/en/how_to/Open-Ports-in-ZoneAlarm_40076835.html)
Three popular one Hands Off at $50, Radio Silence at $9, and Murus which offers a free version. Radio Silence offers a free trial. The first 2 were obtained by looking on the website "Alternative to" while Murus came from a similar alternative site.
Whilst I am unsure if you simply want a free solution, or a one-time purchase of versioning (which is rare), I suggest Comodo Firewall.
Comodo Firewall can be installed separately, or as part of the "Comodo Security Suite". The product feature page outlines the following free tools:
Intuituve pop-up for applications attempting to connect to a foreign ...
I think HAProxy is one of your best bets if you want an efficient way to filter traffic with a lot of rules under Linux. Over the years, they say Haproxy has become "de-facto standard opensource load balancer, is now shipped with most mainstream Linux distributions, and is often deployed by default in cloud platforms". It's been around for quite a while and ...
I would like to recommend Comodo Firewall. It's a free application that has a very user-friendly interface with advanced options available. This also meets your requirements by allowing you to:
Allow/Block Outgoing/Incoming traffic per application
Allow/Block certain domains/IP's per application
I've been using their Internet Security ...
Take a look at Untangle. It should do most of what you need.
Note that there is both a paid and a free version of the content filter, and the free version sucks pretty hard. It works, but it's lists aren't very complete. Content filtering is a service that needs a lot of power behind it in order to keep up with the ever-growing internet, and so you won't ...
I use a free edition application called Glasswire application. It works well under Windows 7 or 8, and is a good alternative to the integrated firewall or other existing solution that consumes a lot of resource. The software enjoys a good user interface is easy to handle. For more information here is the link https://www.glasswire.com/features