Netcomm nb4 仕様ガイド

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ADSL2+
QoS
Firewall
USB
NetComm NB4
ADSL2+ 4 Port Modem Router 
KEY FEATURES
ADSL2+ Broadband Modem Router
Advanced Security Firewall (SPI/DoS) & VPN Passthrough
4-Port 10/100 Switch
Universal Plug & Play (UPnP) & Port Forwarding
Easy Setup Wizard & Video Tutorial Guides
Quality of Service traffic prioritisation for VoIP or online gaming
Getting connected and sharing an ADSL Broadband service has never been 
easier. The NB4 combines an ADSL2+ Modem with a Router, 4-Port Ethernet 
Switch and an Advanced Firewall to let you safely surf the web, play online 
games or share resources with the flexibility and performance today’s 
computer users demand.
ADVANCED SECURITY FIREWALL & VPN PASSTHROUGH
NetComm’s NB4 protects against the perils of the Internet. Employing the 
latest Advanced Firewall technology, the NB4 checks every packet of data that 
comes in, ensuring your defenses are rock solid against hackers, unauthorised 
entries, probes and even Denial of Service attacks. What’s more, the NB4 is 
equipped with a VPN passthrough feature allowing you to use a standard VPN 
client for Point-to-Point communication even while your Firewall is active.
UNIVERSAL PLUG & PLAY & PORT FORWARDING
The NB4’s UPnP and Port Forwarding functions have made it easier for today’s 
Internet users to configure and setup the myriad of Network Port Rules which 
Internet applications such as Online Gaming, Peer-To-Peer file sharing and 
Messenger services need to operate. The NB4 has a number of pre-configured 
rules for several games – just click on the game you wish to play online and 
the rest is done for you.