ZyXEL Communications Corporation NBG5615 Manuel D’Utilisation
Chapter 18 Firewall
NBG5615 User’s Guide
159
Source IP Address Enter the IP address of the computer that initializes traffic for the application or service.
The NBG5615 applies the firewall rule to traffic initiating from this computer.
Protocol
Select the protocol (
TCP
,
UD P
or
I CM P
) used to transport the packets for which you want
to apply the firewall rule.
Dest Port Range
Enter the port number/range of the destination that define the traffic type, for example
TCP port 80 defines web traffic.
TCP port 80 defines web traffic.
Source Port
Range
Range
Enter the port number/range of the source that define the traffic type, for example TCP
port 80 defines web traffic.
port 80 defines web traffic.
Add Rule
Click
Add
to save the firewall rule.
Firewall Rule
#
This is your firewall rule number. The ordering of your rules is important as rules are
applied in turn.
applied in turn.
Service Name
This is a name that identifies or describes the firewall rule.
MAC address
This is the MAC address of the computer for which the firewall rule applies.
Dest IP
This is the IP address of the computer to which traffic for the application or service is
entering.
entering.
Source IP
This is the IP address of the computer from which traffic for the application or service is
initialized.
initialized.
Protocol
This is the protocol (
TCP
,
UD P
or
I CM P
) used to transport the packets for which you want
to apply the firewall rule.
Dest Port Range
This is the port number/range of the destination that define the traffic type, for example
TCP port 80 defines web traffic.
TCP port 80 defines web traffic.
Source Port
Range
Range
This is the port number/range of the source that define the traffic type, for example TCP
port 80 defines web traffic.
port 80 defines web traffic.
Action
D ROP
- Traffic matching the conditions of the firewall rule are stopped.
Delete
Click
D e le t e
to remove the firewall rule.
Cancel
Click
Ca n ce l
to start configuring this screen again.
Table 64
Security > Firewall > Services (continued)
LABEL
DESCRIPTION