Chapter 5 Configuring Security Settings

Low

If Low is selected in the “Firewall Security Level” screen, the services listed at the bottom of the screen (NETBIOS-SSN,DNS, EPMAP, PROFILE, NETBIOS-NS,NETBIOS-DGM,MICROSOFT-DS,SNMP, LDAP, and MICROSOFT-GC,) can be denied access through the firewall. Click in the appropriate check box to allow or deny access for a particular service (check mark in the check box to deny; blank check box to allow). All services not listed are allowed access.

Off

If Off is selected in the “Firewall Security Level” screen, firewall filtering is based solely on the basic NAT firewall. At this setting, VPN connections can be made, and DMZ hosting, Port Forwarding, and Applicatiion Level Modem settings are active.

☞Note: See Appendix F, “Service Acronyms,” for a description of the services listed in the Firewall Security Level screens.

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