Post Tagged with: "green network"

Linux Firewall Part 6: Overcoming Email Server Problems

Linux Firewall Part 6: Overcoming Email Server Problems

As discussed in our article “Why Build a Linux Firewall“, there are many advantages to having a custom-built firewall appliance in your home.  While these Linux distributions are easy to set up and have nice User Interfaces, they still have some problems. Not every feature of Linux is exposed in the GUI, so while these firewalls are […]

Linux Firewall Part 2: Determine Your Network Setup

Linux Firewall Part 2: Determine Your Network Setup

Many firewalls make certain assumptions and use several standard conventions.  Understand the standard terminologies and you’ll have an easier time when setting up your firewall. Nearly every firewall’s first level of protection is NAT, or Network Address Translation.  This means that an external address is “translated” from external to internal addresses, so the public never has […]

Linux Firewall Part 4: Installation

Linux Firewall Part 4: Installation

For the purposes of this turotial, I am making several assumptions.  I am assuming that your green network is 192.168.1.x and your orange network is 192.168.15.x.  If you want a different network config, then modify as necessary. If you already have an Internet Router that you’re intending to replace, I recommend some prep-work to make things […]