These settings don´t alter the services on the Firewall!
There are four policies for each service:
Blocked
Filtered Outgoing Incoming Int.- Masquerading Perim.- Masquerading I->P - Masquerading |
- the service is blocked
- the normal IP-filtering rules are used (as defined in Screening) - only incoming connections are possible (Filtered AND Outgoing) - only incoming connections are possible (Filtered AND Incomming) - IP-Masquerading for service from internal network (to $ANY) - IP-Masquerading for service from perimeter network (to $ANY) - IP-Masquerading for service from internal to perimeter network |