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Page 101
Click
New Firewall Rule
Fill in the following fields:
Name:
Name the rule. This name should describe the policy the firewall rule is
being used to implement (e.g.
block ftp, Allow Tony)
Interface:
Select the interface that the firewall rule will be applied to (i.e.
Any,
Dialout/Cellular, VPN,
Network Interface, Dial-‐in
etc)
Port Range:
Specify the Port or range of Ports (e.g. 1000 – 1500) that the rule will
apply to. This may be left blank for Any
Source Address Range: Specify the source IP address (or address range) to match. IP address
ranges use the format ip/netmask (where netmask is in bits 1-‐32). This
may be left blank for Any
Destination Range:
Specify the destination IP address/address range to match. IP address
ranges use the format ip/netmask (where netmask is in bits 1-‐32). This
may be left blank.
Protocol:
Select if the firewall rule will apply to
TCP
or
UDP
Direction:
Select the traffic direction that the firewall rule will apply to (
Ingress
=
incoming or
Egress
)
Action:
Select the action (
Accept
or
Block
) that will be applied to the packets
detected that match the In Port Range+ Source/destination
Address Range+ P Direction
For example, to block all SSH traffic from leaving Dialout Interface, the following settings can be
used:
Interface: Dialout/Cellular
Port Range: 22
