YML-O-3G19W 3G WiFi Router User Guide
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NETCOMM LIBERTY™ SERIES - 3G WiFi Router
7.3 Security
Your Router can be secured with incoming or outgoing IP Filtering. This allows you to control whether data can enter or leave via
the router.
7.3.1 IP Filtering
The IP Filtering screen sets lter rules that limit incoming and outgoing IP trafc. Multiple lter rules can be set with at least one limiting
condition. All conditions must be fullled when individual IP packets pass lter.
Outgoing IP Filter
The default setting for Outgoing trafc is ACCEPTED. Under this condition, all outgoing IP packets that match the lter rules will be
BLOCKED.
To add a ltering rule, click the Add button. The following screen will display.
OPTION DESCRIPTION
Filter Name The Filter rule label.
Protocol TCP, TCP/UDP, UDP or ICMP trafc.
Source IP address Enter source IP address.
Source Subnet Mask Enter source Subnet mask.
Source Port (port or port:port) Enter source port number or port range.
Destination IP adress Enter destination IP address.
Destination Subnet Mask Enter destination subnet mask.
Destination port (port or port:port) Enter destination port number or range.
Click Save/Apply to save and activate the lter.
