Open-source software offers an economical and flexible option for deploying basic home, SMB or even enterprise networking. These open-source products deliver simple routing and networking features, like DHCP and DNS. Plus, they are combined with security functionality, starting with a basic firewall and possibly including antivirus, antispam and Web filtering.
These products can be downloaded and deployed on your own hardware, on a virtual platform, or in the cloud. Many of them sell pre-configured appliances as well if you like their feature-set or support, but don’t want to build your own machine.
We reviewed five products: ClearOS, DD-WRT, pfSense, Untangle and ZeroShell. We found that ClearOS, pfSense and Untangle could be appropriate for home use all the way up to the enterprise environment.
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