CRADLEPOINT MBR1400 USER MANUAL Firmware ver. 3.4.1
If you leave these values blank, then all IP addresses and ports will be included. IP Source and IP Destination options can be used to differentiate between the directions that packets go. You could permit packets to come from particular IP addresses but then not allow packets to return to those addresses.
Example of an IP Filter Rule: Suppose you have opened a port in your firewall in order to run a server. Someone, Johnny, is abusing that opening, so you would like to restrict his access. Create a rule that will deny Johnny‘s IP address.
Add IP Filter Rule
∙Name: No more Johnny
∙Enabled: Selected
∙Direction: Incoming
∙Action: Deny
∙Protocol: Any
IP Source
∙Network IP: 172.22.24.160 (Johnny‘s IP address)
∙Subnet Mask: 255.255.255.255 (This subnet mask restricts the rule to one single address).
∙Port Start: 80
∙Port End: 80
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