ZyXEL Communications NBG7510 - 5.4 Network Security; 5.4.1 Configuring a Firewall Rule

Chapter 5 Tutorials
NBG7510 User’s Guide
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5.4 Network Security
5.4.1 Configuring a Firewall Rule
You can enable the firewall to protect your LAN computers from malicious attacks from the Internet.
1 Go to the Security > Firewall > General screen.
2 Select IPv4 Firewall/IPv6 Firewall to enable the firewall, and then click Apply.
3 Open the Access Control screen to create a rule.