What a firewall does – securing your network

The common features / benefits of firewalls: block unwanted incoming traffic to your network block outgoing network traffic based on source of destination ie. You may want to prevent employees from accessing certain web sites block network traffic based on content ie integrating with a virus scanner to prevent files or emails with viruses from entering your network allowing access to your network and internal resources to selective users allowing connection to internal network with a virtual private network (VPN). ...