ZyXEL Communications PMG5318-B20A, Руководство пользователя

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Chapter 15 Firewall
PMG5318-B20A User’s Guide
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The following table describes the labels in this screen.
15.3.2 Customized Services
Configure customized services and port numbers not predefined by the GPON Device. For a
comprehensive list of port numbers and services, visit the IANA (Internet Assigned Number
Authority) website. Click the Edit Customized Services link while editing a firewall rule to
configure a custom service port. This displays the following screen.
Figure 70
Security > Firewall > Rules: Edit: Edit Customized Services
Table 50
Security > Firewall > Rules > Add
LABEL DESCRIPTION
Active Select this option to enable this firewall rule.
Action for Matched
Packet 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
(Permit) packets that match this rule.
IP Version Type Select the IP version, IPv4 or IPv6, to apply this firewall rule to.
Log This field determines if a log for packets that match the rule is created or not.
Source/Destination Address
Address Type Do you want your rule to apply to packets with a particular (single) IP, a range of IP
addresses (for instance, 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 Enter the single IP address or the starting IP address in a range here.
End IP Address Enter the ending IP address in a range here.
Subnet Mask Enter the subnet mask here, if applicable.
Services
Available Select a service from the Available Services box.
Edit Customized
Service 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.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.