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CRADLEPOINT MBR1400| USER MANUAL Firmware ver. 3.4.1
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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