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Cache Review Series - Quantex WebXL
| Configuration can be accomplished through a clean Java-based GUI or a sluggish-but- functional Telnet command line. The GUI can be password-protected; in this case, SSL encrypts the login/password exchange. Thereafter, GUI data is exchanged in the clear, something to keep in mind if you plan to administer your cache remotely. Upcoming version 1.1 will allow administration to be enabled/disabled for each interface, specific IPs, and read-only access, and 2.0 will secure all GUI data with SSL. |  |
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| The Health tab summarizes the overall well-being of the device, updated via NTP, DNS, and default gateway pings once per minute. The GUI is nicely |
| Network panels permit modification of initial
IP Address, DNS, and Gateway/Firewall settings. The WebXL's interfaces
can be multi-homed, and Adapter Options can disable auto-sensing.
Further, TCP Options can extend connection, keep-alive, and idle timeouts,
and DNS cache TTLs can be modified. In some cases, these protocol
knobs can be needed to fine-tune network behavior; it is nice to have
them readily available. While more important for the enterprise market,
the WebXL can be configured to traverse a SOCKS firewall—an extra
hop to be avoided unless required by security policy. |
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Several WebXLs can be clustered for redundancy and load distribution. Each WebXL is assigned a role (active, standby, offline) and capacity. Services and IP addresses can be configured to redirect selected traffic to specified WebXLs. This sounds like a promising feature; we'd like to see hints on how to best utilize it. We configured clustering, but with only one WebXL could not test fail-over. |
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