There is one UTM that i can recommend to those who are not linux experts and want to cntrol in-and-out traffic efficiently - ideco gateway
You can set all kinds of restrictions rules per user, per group and more , a firewall web/mail server etc , however it requires a dedicated server so yeah this is what i chose for my network , price is competative comaredto alternatives with such functionality
Linux App Finder
try ideco instead
There is one UTM that i can recommend to those who are not linux experts and want to cntrol in-and-out traffic efficiently - ideco gateway
You can set all kinds of restrictions rules per user, per group and more , a firewall web/mail server etc , however it requires a dedicated server so yeah this is what i chose for my network , price is competative comaredto alternatives with such functionality