User guide

Using Firewall Rules
Chapter 10: Setting Your Security Policy 181
In this field… Do this…
Protocol Select the protocol for which the rule should apply (ESP, GRE, TCP, UDP,
ICMP, IGMP, or OSPF).
To specify that the rule should apply for any protocol, select ANY.
To specify a protocol by number, select Other. The Protocol Number field
appears.
Port Range To specify the port range to which the rule applies, type the start port
number in the left text box, and the end port number in the right text box.
Note: If you do not enter a port range, the rule will apply to all ports. If you
enter only one port number, the range will include only that port.
Protocol
Number
Type the number of the protocol for which the rule should apply.
Source Select the source of the connections you want to allow/block.
To specify an IP address, select Specified IP and type the desired IP address
in the field provided.
To specify an IP address range, select Specified Range and type the desired
IP address range in the fields provided.