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Linksys Wireless-G ADSL Gateway with SRX200 - Linksys Wireless-G ADSL Gateway
Linksys’ web interface is a tad garish but easy enough to use. You do get a full PDF user manual on the supplied disc but the online help covers most aspects of configuration. The SPI firewall is switched on by default and you can also individually turn on blocking for proxy servers, Active X controls, Java applets and cookies. One feature we would recommend changing is the default client lease time for the built in DHCP server. This is set to zero which means a lease time of only one day so systems that rely on having the same IP address assigned such as those in the DMZ or included in port forwarding rules will have problems if they get a different IP address the next time round. A valuable feature is QoS (quality of service) which can be enabled for wireless and wired connections and one of four priorities applied to selected applications such as voice traffic.
The quick start wizard is useful although non-BT users will have to resort to manual configuration.
Internet access restrictions are very different to those offered by most routers as Linksys uses policies. Instead of having to create separate URL blocking lists, MAC or IP address access lists and schedules you define up to ten policies that combine all or some of these options and decide during what periods each policy should be active. Web site blocking is nothing special as all you can do is list a full URL or use keywords that are checked against the site address only but not the page content. Furthermore, you can only add four URLs and six keywords to each policy making them ineffective if you want to use parental controls. For much stiffer controls check out D-Link’s G624M and its domain blocking feature.
Wireless security is very good as Linksys supports SSID masking, MAC address blocking, WEP, WPA and WPA2. For the latter two options you also have an Enterprise option that requires authentication via an external RADIUS server. Wireless performance was a mixed bag as while speed wasn’t so good overall coverage was excellent. Using a 1.6GHz Fujitsu-Siemens notebook running Windows XP SP2 and fitted with a Linksys SRX notebook adapter we saw the Iometer utility report raw read speeds with a PC on the LAN of only 38.4Mbit/sec over an open connection and 25.6Mbit/sec with WPA encryption. However, moving the notebook down one floor and putting three brick walls in the way only dropped performance by a mere four per cent for an unsecured link and fifteen per cent for a WPA-PSK link – a lot better than the routers from Netgear and D-Link.
A compact wireless router with a very good selection of security features including Internet access policies. Wireless speed isn’t too hot but the extended coverage offered by Linksys’ SRX200 technology does work particularly well.