User manual

FiOS Router User Manual
105
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The FiOS Router features three pre-defined firewall security levels: Maximum,
Typical, and Minimum. The table below summarizes the behavior of the FiOS
Router for each of the three security levels.
Security Level
Internet requests
(incoming traffic)
Local network requests
(outgoing traffic)
Maximum
Security
Blocked - No access
to local network from
Internet, except as
configured in the Port
Forwarding, DMZ host, and
Remote Access screens.
Limited - Only commonly
used services, such as
web browsing and email,
are permitted.
Typical Security
Blocked - No access
to local network from
Internet, except as
configured in the Port
Forwarding, DMZ host, and
Remote Access screens.
Unrestricted - All
services are permitted,
except as configured in
the Access Control screen.
Minimum
Security
Unrestricted - Permits
full access from Internet
to local network; all
connection attempts
are permitted.
Unrestricted - All services
are permitted, except as
configured in the Access
Control screen.
These services include Telnet, FTP, HTTP, HTTPS, DNS, IMAP, POP3 and SMTP.
Note: Some applications (such as some Internet messengers and peer-to-peer
client applications) tend to use these ports if they cannot connect with their
own default ports. When applying this behavior, these applications will not be
blocked outbound, even at the Maximum Security level.