Address Translation; Packet Filter - Buffalo AirStation WBR-G54 User Manual

Fig ure 4.3.2
Address
Translation
Setup
Log Output - Allows NAT log to be gen er at ed and issued. Select Discard Packet to disable.
IP address of DMZ - Allows administrator to set the DMZ address. Incoming packets containing no recognizable
destination port information will be re di rect ed to the DMZ's IP address.
Display/Delete NAT Table - Allows ad min is tra tor to delete NAT tables.
Fig ure 4.3.2b
Address
Translation
Setup
IP address of LAN - Select Manual and enter the destination IP address of the LAN computer; or select
AirStation's IP address of LAN.
• Click Add to NAT table.
Protocol (LAN) - Enter destination port number. If left blank, the packets are transferred to the same port
number as the source port number.
Figure 4.3.3

Packet Filter

Setup
18
WBR-G54 User Manual

4.3.2 Address Translation

Address Translation - Select Use or Do not Use.
Address Translation must be enabled for client com-
puters to connect to the Internet. Selecting Use
enables the following functions:
• IP Masquerade - When the LAN computer
connects to the WAN side, the IP address of LAN
computer is dynamically translated to become the
WAN IP address of the AirStation. Multiple LAN
computers can share one WAN IP address to access
the Internet.
• Static IP address translation -When the
WAN requests connection to the LAN, the WAN
IP address of the AirStation is translated into the IP
address of the LAN computer.
Add NAT Table
Group - Specify a group (up to 16 characters) that the NAT
rule belongs.
Click New Group to create new group or select an existing
group to add a NAT rule to it.
IP address of WAN - Select AirStation's IP address
of WAN or Manual setting. For Manual setting, enter the
IP address used by the WAN computer to connect to the local
computer. Some network applications (online games or streaming
software) require adding Address Translation tables).
Protocol (WAN):
• All - Selects all IP protocols.
• ICMP - Network Diagnostic Protocol (1).
Manual - Specify the protocol number (0-255).
•
• TCP/UDP - Enter port number.
4.3.3 Packet Filter
Log Output - Select Output to activate the
packet fi lter log.
Packet Filter Information
Basic Rule
- Click add/delete basic rules.
Place a check mark next to the basic rule to enable
• Prohibit setup from wireless LAN.
Prohibits administration from a wireless computer.
• Prohibit setup from wired LAN.
Prohibits administration from a wired computer.
• Prohibit setup via wireless bridge access point.
A setup from the personal computer connected
to another AirStation in a wireless bridge is not
allowed.
• Prohibit NBT and Microsoft-DS routing.
Prevent unexpected external access via Microsoft
network sharing.