Firewall-Packet Filtering - Panasonic KX-NS1000 Installation Manual

8.6.11 Firewall—Packet Filtering
Priority Security rule
5 VoIP Port Dynamic Settings
6 IPv4 Packet Filtering (Filter)
7 NET BIOS Packet Filtering
8 Private IP Address Filtering
9 ICMP Echo Request Packet
Filtering
10 Stateful Packet Inspection
Accept
11 Port Forward
12 Pass Through
13 DMZ Host
14 IPv4 Packet Filtering
(LAN->WAN Basic Policy)
(WAN->LAN Basic Policy)
ü: Applicable for prioritizing
–: 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 prioritized.
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 prioritized by entry order.
•
The following table shows which settings can be configured for a filter rule.
360 Installation Manual
Destination
KX-NS1000 WAN to
to WAN KX-NS1000
– –
ü ü
– –
–
ü
– ü
– –
– –
– –
– –
ü ü
WAN to LAN LAN to WAN
ü ü
ü ü
– –
ü ü
– –
ü ü
ü ü
ü ü
ü ü
ü ü
Document Version 2016-03