User guide

26
FIREWALL
Firewall functions which will help to protect your network and computer. You can
utilized firmware functions to protect your network from hackers and malicious
intruders.
◆Remote Management (via WAN) — allow or deny to manage the router from
anywhere on the Internet.
◆Remote Management Port — The port that you will use to address the management
from the Internet. For example, if you specify port 2020, then to access the
OUTDOOR AP/CPE from Internet, you would use a URL of the form:
http://xxx.xxx.xxx.xxx:2020/
◆Ping from WAN Filter — When Allow, the OUTDOOR AP/CPE does not respond to
ping packets received on the WAN port.
◆SPI Firewall — SIP firewall help to keep track of the state of network connections
(such as TCP streams, UDP communication) traveling across it. It is programmed to
distinguish legitimate packets for different types of connections. Only packets
matching a known active connection will be allowed by the firewall; others will be
rejected.
◆Network Address Translation — NAT is the process of modifying IP address
information in IP packet headers while in transit across a traffic routing device.