ZyXEL Communications G.SHDSL.bis 4-port Security Gateway P-793H User Manual
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P-793H User’s Guide
140
Chapter 9 Firewall Configuration
Action for Matched
Packet
Use the drop-down list box to select what the firewall is to do with packets that
match this rule.
Select Drop to silently discard the packets without sending a TCP reset packet
or an ICMP destination-unreachable message to the sender.
Select Reject to deny the packets and send a TCP reset packet (for a TCP
packet) or an ICMP destination-unreachable message (for a UDP packet) to the
sender.
Select Permit to allow the passage of the packets.
Source/Destination
Address
Address Type
Do you want your rule to apply to packets with a particular (single) IP, a range of
IP addresses (e.g., 192.168.1.10 to 192.169.1.50), a subnet or any IP address?
Select an option from the drop-down list box that includes: Single Address,
Range Address, Subnet Address and Any
Address.
Start IP Address
This is enabled if the Address Type is not Any Address. Enter the single IP
address or the starting IP address in a range here.
End IP Address
This is enabled if the Address Type is Range Address. Enter the ending IP
address in a range here.
Subnet Mask
This is enabled if the Address Type is Subnet Address. Enter the subnet mask
here, if applicable.
Add >>
Click Add >> to add a new address to the Source or Destination Address box.
You can add multiple addresses, ranges of addresses, and/or subnets.
Edit <<
To edit an existing source or destination address, select it from the box and click
Edit <<.
Delete
Highlight an existing source or destination address from the Source or
Destination Address box above and click Delete to remove it.
Services
Available/ Selected
Services
Please see
for more information on services available.
Highlight a service from the Available Services box on the left, then click Add
>> to add it to the Selected Services box on the right. To remove a service,
highlight it in the Selected Services box on the right, then click Remove.
Edit Customized
Services
Click the Edit Customized Services link to bring up the screen that you use to
configure a new custom service that is not in the predefined list of services.
Schedule
Day to Apply
Select everyday or the day(s) of the week to apply the rule.
Time of Day to
Apply (24-Hour
Format)
Select All Day or enter the start and end times in the hour-minute format to apply
the rule.
Log
Log Packet Detail
Information .
This field determines if a log for packets that match the rule is created or not. Go
to the Log Settings page and select the Access Control logs category to have
the ZyXEL Device record these logs.
Alert
Send Alert Message
to Administrator
When Matched.
Select the check box to have the ZyXEL Device generate an alert when the rule
is matched.
Table 40 Firewall > Rules > Add/Edit (continued)
LABEL
DESCRIPTION