Operation Manual

030-300554 Rev. A 90 June 2008
Verizon FiOS Router
(
Model 9100EM
)
User Guide
General Firewall Settings
Maximum Security
(High)
High security level only allows basic Internet functionality. Only Mail, News, Web,
FTP, VoIP/SIP and IPSEC traffic is allowed. All other traffic is prohibited.
Typical Security
(Medium)
Like High security, Medium security only allows basic Internet functionality by
default. However, Medium security allows customization of Network Address
Translation (NAT) so you can enable certain types of traffic. This is the factory
default security level.
Minimum Security
(Low)
Low security setting will allow all traffic except for known malicious attacks. With
Low security, your Router is visible to other computers on the Internet.
Block IP Fragments This option can prevent hackers from using fragmented data packets to possibly
sabotage your network. Note: Some VPN and UDP services use IP fragments, and
this feature may need to be disabled. If you have questions about this feature, check
with Verizon technical support. It is disabled by default.
13.2 Access Control
If you select Firewall Settings in the top navigation menu and then select Access Control in the left submenu, the
following screen will appear.
Access Control is used to block specific computers within the local network (or even the whole network) from
accessing certain services on the Internet. For example, one computer can be prohibited from surfing the Internet,
another computer from transferring files using
FTP, and the whole network from receiving incoming E-mail. Access
control defines restrictions on the types of requests that can pass from the local network out to the Internet, and thus
may block traffic flowing in both directions.
To add an Access Control rule, click the New Entry link or, alternatively, click the plus icon.
Adding a new entry will allow you to choose a device from the known network devices (Ex. Your computers) or
enter a MAC address of a new device. Then you must choose the Protocol (or service) to be blocked.