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ISP Planet
Cache Review Series - NetApp NetCache
C720 |
Caching Web Objects
Setup enables basic NetCache HTTP proxy services; refinements are then
made using the "Configure Advanced Settings" section of the UI.
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The Transparency Settings page (left) configures transparent proxy and IP spoofing for HTTP, NNTP, and SSL, HTTPS, or any other tunneled protocol. Protocols enabled here must also be added to the listening ports in Basic Settings. IP spoofing is a great feature: it causes requests to carry client IPs for better hit recording, but cannot be used if the return route would not pass through the cache.Redirection protocols TPCP (Alteon switches) and WCCP (Cisco routers) are also configured here. |
| Use the Web Accelerator Settings page (right) to configure reverse proxy services. Start by specifying a "default" back-end server IP and port. To accelerate other servers, multi-home the NetCache's outside interface(s) and map them to back-end servers. The NetCache can also strip hostnames from MIME headers when mapping requests to back-end servers. |  |
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In addition to ACLs, requests can also be blocked by SmartFilterŽ, a subscription service from Secure Computing. We downloaded the free trial database to a PC, then uploaded it to the NetCache using the Web Filtering Settings page (left) . The SmartFilter database can also be downloaded directly to the NetCache weekly. Policy configuration is simple: just enable or disable two dozen categories. |
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Caching
Web Objects
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