Zyxel-communications Internet Security Gateway ZyWALL 2 Series Instrukcja Użytkownika Pobierz pdf (Strona 155)

ZyWALL 2 Series User’s Guide

Firewalls 10-13

3. To selectively block/allow inbound or outbound traffic between inside host/networks and outside

host/networks. Remember that filters cannot distinguish traffic originating from an inside host or an

outside host by IP address.

4. The firewall performs better than filtering if you need to check many rules.

5. Use the firewall if you need routine e-mail reports about your system or need to be alerted when attacks

6. The firewall can block specific URL traffic that might occur in the future. The URL can be saved in an

Access Control List (ACL) database.

Zyxel-communications Internet Security Gateway ZyWALL 2 Series Instrukcja Użytkownika Strona 155