Problem Statement Several guests come home and ask for Wi-Fi access to connect to the internet to see emails, etc. Most times, we give them our main SSID wireless password everytime to connect. This has several disadvantages, though not limited to those listed below: The guest now has a permanent record of your Wireless SSID … Continue reading How to add a Guest Wireless Network with Isolation in OpenWRT on a wireless router
Finally, here is a collection of actions you can take to make your Ubuntu 12.04 system more secure: Install Ubuntu 12.04 without connecting to the internet. This is to make sure that you do not download any upgrades during installation.After installation, login (without connecting to the internet) and remove zeitgeist and lensesRemove avahi-daemonHide list of … Continue reading Secure your Ubuntu Linux system
Start up the terminal on your system Install gufw - Graphical firewall configuration utility in Ubuntu Linux $ sudo apt-get install gufw <enter> Now you can use the GUI to configure your firewall in Ubuntu Linux.
To test if your computer firewall is protecting you on the internet, see this post. Ubuntu installs a firewall when you install it to your computer. However, the firewall is not active. To activate the firewall, open a terminal window on your system, then enter the commands in italics as shown below: $ sudo ufw … Continue reading Firewall in Ubuntu Linux
Following error was reported when compiling the Firewall Builder rulesets for iptables. Compiling rule sets for firewall: xx1firewall fwb_ipt -v -f /home/user/xx1firewall.fwb -d /home/user -o /home/user/xx1firewall.fw -i id8922X6568 Error: Failed to start program fwb_ipt Last error: The process failed to start Current state of QProcess: The process is not running. To resolve this error, install … Continue reading Firewall Builder iptables compile error – failed to start program
If you are new to firewalls and want an easy way to build the rules for your devices, you can use Firewall Builder. It can be installed on Linux, Windows and other platforms. You can download it from http://www.fwbuilder.org. The key feature is an easy to use GUI-based firewall rules system. Firewall Builder can also … Continue reading Remove the pain from firewall rules building – Firewall Builder
You can test your firewall using Shields Up! at https://www.grc.com/x/ne.dll?bh0bkyd2. It lets you know if you have any ports open that are listening to connections.