Several gateways used a Web-based interface to configure and reboot. A few require proprietary Macintosh or Windows software to manage them, needlessly limiting their market. See notes accompanying each gateway. All units surveyed except the Xircom offer a DHCP server to hand out IP addresses to local machines on request. These servers almost always work in bridge mode to offer DHCP over both a wired LAN and the wireless network.
Most gateways have firewall features that block ports and attacks.
The amount of customization varies, as does the difficulty of allowing certain kinds of traffic to pass throgh. 3Com's unit claims it monitors for pattern attacks. The Farallon does not log. Punch through or virtual servers . This allows you to run a Web server without using a static IP or exposing the entire machine or network.