Firewall-Packet Filtering - Panasonic KX-NS1000 Installation Manual

Priority Security rule
5 VoIP Port Dynamic Settings
6 NET BIOS Packet Filtering
7 Private IP Address Filtering
8 ICMP Echo Request Packet
Filtering
9 Stateful Packet Inspection
Accept
10 Port Forward
11 Pass Through
12 DMZ Host
13 IPv4 Packet Filtering
(LAN->WAN Basic Policy)
(WAN->LAN Basic Policy)
ü: Applicable for prioritising
–: Not applicable
*1
Setting the IPv4 Packet Filtering (Filter) to allow full access, may leave your system open to network attacks. Consider this
carefully before configuring this setting.
*2
Depending on system operation, specific ports can be set to allow or disallow network traffic. For details, consult the system
administrator.
•
For details about the security policy for the built-in router, consult the network administrator.
8.6.11 Firewall—Packet Filtering
Description
This feature filters IPv4 packets (e.g., user IP data and IP data addressed to the PBX). You can configure the
LAN ® WAN basic policy and WAN ® LAN basic policy, which are system wide.
You can also configure filter settings for each entry. If the system-wide and entry-specific settings conflict, the
entry filter is prioritised.
LAN ® WAN Basic Policy, WAN ® LAN Basic Policy
•
Defines the basic policy for IPv4 packets travelling from the LAN to the WAN (allow/deny).
This policy applies to the entire system. If you select "deny", all packets travelling from the LAN to the
WAN will be discarded.
•
Defines the basic policy for IPv4 packets travelling from the WAN to the LAN (allow/deny).
This policy applies to the entire system. If you select "deny", all packets travelling from the WAN to the
LAN will be discarded. This policy applies to packets addressed to the PBX itself.
Filter
•
You can configure up to 64 entries. For each entry, you can specify whether it is enabled or disabled.
•
Filter rules are prioritised by entry order.
•
The following table shows which settings can be configured for a filter rule.
KX-NS1000 WAN to
to WAN KX-NS1000
– –
– –
– ü
– ü
– –
– –
– –
– –
ü ü
8.6.11 Firewall—Packet Filtering
Destination
WAN to LAN
ü
–
ü
–
ü
ü
ü
ü
ü
Installation Manual
LAN to WAN
ü
–
ü
–
ü
ü
ü
ü
ü
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