The Device Service Screen - ZyXEL Communications SBG5500-A User Manual

Table 54 Firewall Rules: Add/Edit
LABEL
IP Type
Select Source Device
Source IP
Select Destination Device
Destination IP
Select Service
Protocol
Policy
Enable Rate Limit
Scheduler Rules
OK
Cancel

9.5 The Device Service Screen

Use this screen to configure through which interfaces, which services can access the SBG. You can also
specify the port numbers the services must use to connect to the SBG.
Use the Trust Domain section in this screen to view a list of public IP addresses which are allowed to
access the SBG through the services configured above.
Click Configuration > Firewall / Security > Device Service to open the following screen.
Chapter 9 Firewall
DESCRIPTION
Select the type of IP you want to apply this firewall rule (IPv4 or IPv6).
Select the source device to which the firewall rule applies. If you select Specific
Address IP, enter the source IP address in the field below.
Enter the source IP address, or select Any to apply firewall rule to any source IP
addresses.
Select the destination device to which the firewall rule applies. If you select Specific
Address IP, enter the source IP address in the field below.
If you do not select Any, enter the destiniation IP address in this field.
Select the transport layer protocol that defines your customized port from the drop-
down list box. The specific protocol rule sets you add in the Configuration > Firewall /
Security > Service > Add screen display in this list.
This field is displayed only when you select Any in Select Service.
Choose the IP port (ALL, TCP, UDP, ICMP, or ICMP6) that defines your customized port
from the drop-down list box.
Use the drop-down list box to select whether to discard (DROP), deny and send an
ICMP destination-unreachable message to the sender of (REJECT) or allow the
passage of (ACCEPT) packets that match this rule.
Select this check box to set a limit on the upstream/downstream transmission rate for
the specified protocol.
Specify how many packet(s) per Minute or Second the transmission rate is.
Select a scheduler rule for this firewall rule form the drop-down list box. The scheduler
rules available are the ones you create in the Configuration > Firewall / Security >
Scheduler Rule screen.
Click OK to save your changes.
Click Cancel to restore your previously saved settings.
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