Tutorial how tu use this PSFWFree.zip ?

this so-called firewall that boasts that it offers protection to the gameserver gives you 0 protection, 2 times my gameserver crashed because it was attacked, they didn't create any tutorial how to use it correctly, I think it's a scam

this so-called firewall that boasts that it offers protection to the gameserver gives you 0 protection, 2 times my gameserver crashed because it was attacked, they didn't create any tutorial how to use it correctly, I think it's a scam