O'Reilly logo

Configuring IPCop Firewalls by James Eaton-Lee, Barrie Dempster

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Firewall Functionality

The Firewall drop-down menu in IPCop contains functionality to configure functions of the firewall itself. Since IPCop's design philosophy is to treat the Green zone as implicitly trusted and downgrade trust from there onwards, there is no egress filtering natively built into IPCop. Instead, your two main choices for configuration here are External Access, which lets you control which ports IPCop will allow in the inbound direction, and Port Forwarding. See Chapter 9 for more information on setting up a more granular firewall policy, particularly for egress traffic (i.e. traffic traversing from Green to Red).

External Access

All traffic initiated in the Red zone is dropped by the IPCop firewall's rules by default. Almost ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required