5 reasons to replace your basic router with a pfSense or OPNSense box
A custom router and firewall gives you so many more options.
Upgrading from your basic router, whether it was supplied by your ISP or not, is a huge step towards building a more resilient home network. You could get an off-the-shelf router or take the plunge straight into building your own router powered by pfSense or OPNsense. While there are other options around, like SophosFW (which requires an Intel CPU-based device), the wealth of how-to's and other content around pfSense and OPNsense means they're often the best choice for the first-time firewall fabricator.
