User`s guide

ZyAIR B-5000 User’s Guide
28-10 Firewall
Table 28-3 Firewall Config Access Control
LABEL DESCRIPTION
IP Enter the source IP addresses or range of addresses to which this firewall rule
applies. Please note that a blank source address is equivalent to any address.
Netmask Enter the source subnet mask or range of subnet masks to which this firewall rule
applies. Please note that a blank subnet mask is equivalent to any subnet mask.
Port Enter the port number range that defines the service. This range is between 1 and
65535. For example, suppose you want to define the Gnutella service. Select TCP
type and enter a port range from 6345-6349.
Destination Destination of data transmission, LAN or WAN.
IP Enter the destination IP addresses or range of addresses to which this firewall rule
applies. Please note that a blank destination address is equivalent to any number of
addresses.
Netmask Enter the destination subnet mask or range of subnet masks to which this firewall
rule applies. Please note that a blank subnet mask is equivalent to any number of
subnet masks.
Port Enter the port number range that defines the service. This range is between 1 and
65535. For example, suppose you want to define the Gnutella service. Select TCP
type and enter a port range from 6345-6349.
Protocol Select the network language to be used, by choosing from the drop-down list.
Choose from
• TCP Transmission Control Protocol
• UDP User Datagram Protocol
• ICMP Internet Control Message Protocol
• IP Internet Protocol
Action Select either
• Deny The ZyAIR will block packets which match the specific firewall rule
• Accept The ZyAIR will let packets pass through – port forwarding
• Count The ZyAIR will let packets pass through and count the number of
packets and bytes.
Count
(Packet/Byte)
The number of packets and the number of bytes moving from source to destination
address. These are logged in the Count column.
FINISH
Click FINISH to save your changes back to the ZyAIR.