SMC Networks Router SMCWBR14S-N2 User Manual

FIREWALL
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•Connection Policy
Enter the appropriate values for TCP/UDP sessions as described in the 
following table. 
Parameter Defaults Description
Fragmentation 
half-open wait10 sec Configures the number of seconds that a packet 
state structure remains active. When the timeout 
value expires, the router drops the unassembled 
packet, freeing that structure for use by another 
packet. 
TCP SYN wait 30 sec Defines how long the software will wait for a 
TCP session to synchronize before dropping the...

CONFIGURING THE BAR RICADE
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•DoS Criteria and Port Scan Criteria
Set up DoS and port scan criteria in the spaces provided (as shown below). 
Note:The firewall does not significantly affect system performance, so 
we advise enabling the prevention features to protect your 
network.
Parameter Defaults Description
Total incomplete 
TCP/UDP sessions 
HIGH300 
sessionsDefines the rate of new unestablished sessions 
that will cause the software to start deleting 
half-open sessions.
Total incomplete...

FIREWALL
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DMZ
If you have a client PC that cannot run an Internet application properly 
from behind the firewall, you can open the client up to unrestricted two-
way Internet access. Enter the IP address of a DMZ (Demilitarized Zone) 
host on this screen. Adding a client to the DMZ may expose your local 
network to a variety of security risks, so only use this option as a last resort. 

CONFIGURING THE BAR RICADE
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UPnP
The Universal Plug and Play architecture offers pervasive peer-to-peer 
network connectivity of PCs of all form factors, intelligent appliances, and 
wireless devices. 
UPnP enables seamless proximity network in addition to control and data 
transfer among networked devices in the office, home and everywhere 
within your network.
UPnP allows the device to automatically:
• join a network
• obtain an IP address
• convey its capabilities and learn about the presence and...

DDNS
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DDNS
Dynamic Domain Name Service (DDNS) provides users on the Internet 
with a method to tie their domain name to a computer or server. DDNS 
allows your domain name to follow your IP address automatically by 
having your DNS records changed when your IP address changes.
This DNS feature is powered by DynDNS.org or TZO.com. With a 
DDNS connection you can host your own web site, email server, FTP site, 
and more at your own location even if you have a dynamic IP address. 
  

CONFIGURING THE BAR RICADE
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Tools
Use the Tools menu to backup the current configuration, restore a 
previously saved configuration, update firmware, and reset the Barricade.
Configuration Tools
Choose a function and click Next.
 
• Backup Router Configuration: this allows you to save the Barricade’s 
configuration to a file.
• Restore from saved Configuration file: this function is used to restore 
the previously saved backup configuration file.
• Restore router to Factory Defaults: this resets the...

TOOLS
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Firmware Upgrade
Use this screen to update the firmware or user interface to the latest 
versions.
1. Download the upgrade file from the SMC web site first, and save it to 
your hard drive.
2. Then click Browse... to look for the downloaded file. Click SAVE 
SETTINGS.
Check the Status screen Information section to confirm that the upgrade 
process was successful.
  

CONFIGURING THE BAR RICADE
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Reset
Click REBOOT ROUTER to reset the ADSL Router. The reset will be 
complete when the power LED stops blinking.
 
If you perform a reset from this screen, the configurations will not be 
changed back to the factory default settings.
Note:If you use the Reset button on the back panel, the Barricade 
performs a power reset. If the button is pressed for over  
10 seconds, all the LEDs will illuminate and the factory default 
settings will be restored. 

TOOLS
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STATUS
The Status screen displays WAN/LAN connection status, firmware, and 
hardware version numbers, illegal attempts to access your network, as well 
as information on DHCP clients connected to your network. The security 
log may be saved to a file by clicking Save and choosing a location.
 
Scroll down to view more information on the Status screen. 
  

CONFIGURING THE BAR RICADE
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The following items are included on the Status screen:  
Parameter Description
INTERNET Displays WAN connection type and status.
Renew Click on this button to establish a connection to the WAN.
GATEWAY Displays system IP settings, as well as DHCP Server and 
Firewall status.
INFORMATION Displays the number of attached clients, the firmware versions, 
the physical MAC address for each media interface and for the 
ADSL Router, as well as the hardware version and serial...