rich1.0sandwich wrotesandwich (npub1ua…q99rx)https://yabu.me/npub1uac67zc9er54ln0kl6e4qp2y6ta3enfcg7ywnayshvlw9r5w6ehsqq99rxnjumphttps://yabu.meFirst, try opnsense instead.
Second, buy a dedicated box.
For the box, if you don't need a bunch of ethernet ports, Beelink is pretty good. otherwise if you have the budget check out Protectli and the official OPNSense product line; which has rack mounted options.