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Install Firestarter And Kodi
Note: Although Firstarter is fully functional, active development ended in 2005 with version 1.0.3. The latest version is 1.0.3-11. The official website and documentation (updated last August 2012) is here.
Firestarter is therefore deemed abandoned software and has been removed from Ubuntu repositories as of 13.10 Saucy Salamander. See bug #1183651. For an overview of alternative applications, see Firewall.
Installation must now be done by obtaining and installing the .deb package manually, retrievable from the Raring repositories for either the 32-bit (i386) version here or the 64-bit (amd64) bit version here.
Firestarter is an application which provides a graphical interface for quickly configuring firewall rules and settings (policies). Firestarter itself is not a firewall, rather, it is a frontend for configuring iptables, which is the firewall system built into the Linux kernel. Firestarter also provides real-time monitoring of network traffic.
Key Features
- Easy to use graphical interface.
- Suitable for use on desktops, servers and gateways.
- Enables Internet connection sharing.
- Allows you to define both inbound and outbound access policy.
- Option to whitelist or blacklist traffic.
- Wizard for easily configuring your firewall.
- Sets up DHCP for a local network.
- Real time firewall events view.
- View active network connections, including any traffic routed through the firewall.
Screenshots
- Firestarter 1.0.3
- To install Firestarter, install the following package: firestarter.
Recommended Settings
To open the preference window, click Edit → Preferences. The preferences are divided into two categories; options that change the interface and options that affect the firewall. Select the following options in the corresponding sections:
Interface Options
Check Enable tray icon and Minimize to tray on window close. (Note: Your firewall will be active when you boot regardless of whether Firestarter is running in the tray or not.)
Policy Options
Check the Apply policy changes immediately.
Firewall Options
ICMP Filterings
Select Enable ICMP filtering and check Echo request (ping) and Echo reply (pong) (for network connection testing/troubleshooting).
Disable/Enable the Firewall
To disable the firewall click Firewall → Stop Firewall, or by click the Stop Firewall icon when the Status tab is selected.
![Firestarter Firestarter](/uploads/1/2/6/1/126182444/599761885.jpg)
To re-enable the firewall click Firewall → Start Firewall, or click the Start Firewall icon when the Status tab is selected.
Allow an Inbound Event from the Events Tab
Right click on the connection you would like to allow and select the action you would like to take from the pop-up menu (this is equivalent to making a new policy). The description of the actions are as follows:
- Allow Connections from Source: This action gives the source of the connection permission to make any connection it wants. This is equivalent to trusting the source blindly and should be carefully used.
- Allow Inbound Service for Everyone: This action allows everyone to access the service the connection was previously blocked from.
- Allow Inbound Service for Source: This action allows only this specific source to access the service in question. This is known as stealthing, no other host except the source will be aware that the service even exists.
NetworkManager
It has been reported that there is a conflict between Firestarter and NetworkManager when booting that can cause the firewall policies to not initialize correctly.
A possible workaround is to edit /etc/firestarter/firestarter.sh
Comment out the following block:
So that it looks like this:
Save your changes and re-boot.
Stalled connections
When you use internet connection with traffic limiting by dropping packets (for example, ADSL ISP) firestarter may be a cause stalling TCP connections. For example, when you try to scp some megabytes, process hangs up and scp writes 'stalled'.
This problem is due to bug #258863 in firestarter. Firestarter contains script (/etc/firestarter/sysctl-tuning), that disables in kernel some TCP mechanisms, that are responsible for effective connection in network with packet loss: SACK, Window-scaling and TCP-timestamps.
If you have such problems, consider using UFW or comment out following lines in the script mentioned above (I have not tested this):
Like this
Save your changes and restart firewall:
- Firewall - An introduction to firewalls, and how to manage them in Ubuntu.
- Iptables - The tables provided by the Linux kernel firewall.
- UFW - The default firewall configuration tool for Ubuntu.
- Gufw - A GUI frontend for controlling UFW.
- Firestarter - The official homepage of the firestarter project.
CategoryNetworkingCategorySecurity
Long back, when I was running a Windows only PC, a firewall utility was always among the first software that I used to install on a newly formatted machine. Along with an Antivirus, a firewall used to be considered a must for any Windows installation that was in any way connected to the outside world.
Of course, times have changed now. I use Linux almost exclusively and rarely see the Windows login prompt. Most Linux distributions are far more secure than Windows, out of the box, but the threat is still there and having a good firewall protecting your computer is still a good idea.
Almost all Linux distributions comes bundled with a firewall software known as iptables, which is a command line based software for configuring Firewall rules for all network traffic to and from the Linux kernel.
Being a command line tool, the syntax tends to be a bit cryptic and even, intimidating for the first time user. This is where Firestarter comes into the picture.
Firestarter is a graphical interface for the iptables firewall. To install Firestarter on Debian, which is the Linux distribution that I use, give the following command.
And then launch firestarter using the Applications -> Internet menu entry.
Instead of an intimidating interface, Firestarter uses a simple wizard to take new users through the steps necessary for configuring the firewall.
The first step is to identify which network interface will the firewall listen to. This is usually the primary network interface of the machine which is connected to the Internet.
Next comes the part where the user is asked to chose wether the particular machine is used for sharing the Internet connection. Select the secondary network interface of the machine which is connected to the rest of the internel network, if this machine is also being used for sharing the internet connection.
That’s it. The firewall is ready to be deployed.
Click on the Save button and you will see the Firewall status window. This is where you can see current statistics about your newly created firewall and also tweak the rules even more if you so desire.
By default, this firewall is fairly restrictive but if, for example, you want to create a rule that only your friend should be able to remotely access this machine, then you can add a policy to whitelist your friend’s IP address.
Firestarter is, in my opinion, a very simple and easy to use utility to configure and manage the iptables firewall, both for the novice and the experienced user.
Do you use any other firewall software on Linux ? Let us know in the comments?