User's Guide

Table Of Contents
61
Firewall Tab
The 5G Indoor Router firewall determines which Internet traffic is allowed to pass between the router
and connected devices and protects your connected devices from malicious incoming traffic from the
Internet. The firewall cannot be turned off. Use the Firewall tab to adjust the general security level of
the firewall, designate a specific device to receive all traffic, and set up specific firewall rules.
Security Level
You can select from three general se
curity levels to block traffic into and through the 5G FX2000
Indoor Router. The default Security Level is Medium.
Low — allows inbound traffic to services with open ports matching the inbound request port.
Outbound traffic is allowed for any service.
Medium — Rejects inbound traffic. Outbound traffic is allowed for any service.
High — Rejects inbound traffic. Outbound traffic is allowed only for TELNET (port 23), FTP
(port 21), HTTP (port 21), HTTP (port 80), HTTPS (port 443), SMTP (port 25), DNS (port 53), POP3
(port 110), and IMAP (port 143).