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FWT WIFI AP_USB x 4 User’s Guide
Copyright of 3JTech Co., Ltd. (also doing business as A3J Engineering Inc.)
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3.3.4 System Security Settings
To improve the safety of the internal network environment, FWT Wifi AP_USB x 4 offers a variety of
basic firewall management functions, including Remote management (via WAN), Ping from WAN
Filter, Block port scan, Block SYN Flood and SPI Firewall. By the configuration the following system
security settings, you can protect the router itself from being attacked, scanned or intruded.
Remote management (via WAN):
Allow or Not Allow the user to log in the system with the
WAN IP.
Ping from WAN Filter:
Enable/Disable the function of Ping from WAN Filter. If the function is
enabled, the system will reject to response the ICMP(ping) packets coming from the WAN.
Block port scan:
Enable/Disable the function of
Block port scan.
The port scan actions will be
dropped
if you enable this function.
Block SYN Flood:
Block TCP SYN Flood or not. If this function is enabled, it can prevent the
system from being attacked by a large amount of SYN packets.
