Application Layer Gateway (ALG) is it enough to secure a small office? [closed]

I’ve been reading about ALG. I have a small size network with 11 users mostly using accounting applications. I’m wondering:

Is applying ALG (to provide web filtering, anti-virus function, etc.) enough to protect my network?
How much NAT i… Continue reading Application Layer Gateway (ALG) is it enough to secure a small office? [closed]