Once set up, the IDS will act as a router, internet gateway, firewall, and DNS forwarder for all devices on our local network. By plugging it into NIC:2 for the ISP modem and NIC:1 for the local network switch, all network traffic will pass through the IDS. This involves connecting it between our ISP modem and our local network switch. To install the IDS box correctly, we need to ensure it intercepts traffic from both the external and internal networks. CPU: 1.5+ GHz (I recommend Intel Core if you have > 250Mbit/sec bandwidth at home)Ĭonnecting hardware and Installing Sophos UTM software.The minimum hardware recommendations for Sophos UTM 9 are as follows: The IDS system can also be installed on any spare desktop PC or even within a virtual machine. The total cost for this hardware setup is approximately €250 (2017), but keep in mind that this is just one example. This configuration allows our system to operate smoothly and maintain uptime. With 4GB of RAM and a 120GB solid-state hard drive, we ensure decent performance and sufficient storage for longer log retention. This setup meets the requirements of our IDS system, which necessitates two network interfaces – one for the external network (WAN) and one for the internal network (LAN). Although it comes with only one network interface card (NIC), we found a cost-saving solution by connecting a USB 3.0 gigabit Ethernet adapter as a secondary NIC. It is an energy-efficient and quiet device. TP-Link USB 3.0 to Gigabit Ethernet Adapterįor our project, we are using the Intel NUC6CAYH mini PC, which features a quad-core Intel Celeron processor. Here are some hardware examples you can use to build your own home network Intrusion Detection System. Expanding on that discussion, this post will shift our focus to the installation of the IDS Box, as depicted in the diagram above within the distinctive red square. In our previous post titled Securing Home Network with SOPHOS UTM IDS we explored the introduction of SOPHOS UTM 9 and discussed the benefits of implementing such a system within our home network. In this article, we will guide you through the process of crafting your own centralized home IDS, empowering you to strengthen and diligently monitor your network’s security. By building your own IDS, you have the freedom to customize the system according to your specific needs, all while staying within a budget and using the appropriate equipment. However, if you are truly passionate about online security and yearn for a deeper understanding of your home network’s activities, you might consider embarking on the journey of creating your own home intrusion prevention system (IDS). In today’s digital landscape, with an overwhelming array of security options to choose from, finding the right one can be a daunting task. Ma0 Installing Sophos UTM 9 Firewall In Home Network If you value the security and online well-being of your home network or the safety of your children, you may be contemplating the installation of a security or monitoring application.
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