what firewall to use ? outdated/misguided/whatever documentation ?

[Justin Sherrill]

On Mon, Feb 11, 2019 at 9:44 PM Nacho Lariguet <lariguet at gmail.com> wrote:
>
> While researching which firewall to use I came across what may seem
> outdated/misguided/whatever documentation; please, correct me when
> wrong (probably the whole story) and advice (if at all) possible:

You never specified what you want to do with a firewall.