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7.1.12 Back-End Server Interface Options
These options govern how the FX Series ADC will communicate with the back-end Web application server.
Request GZIP content:
If set to "Yes" then the FX Series ADC will request that the backend servers deliver the content to the FX
Series ADC in GZIP format. This saves bandwidth over the backhaul connection and is suitable for most
ISP environments. If set to "No", then the back-end server will deliver the content to the FX Series ADC in
non-compressed form. "No" may be a good setting for an enterprise server environment where the FX
Series ADC is offloading the GZIP task. The default setting is "Yes"
Web server timeout (seconds)
This sets the number of seconds that the FX Series ADC will wait for a request to be fulfilled from the
enterprise web server. After the timeout a 502 HTTP error code will be returned to the browser that
initiated the request. The default value is 60 seconds.
Use reduced window scaling:
If set to "Yes" then the ADC will use a smaller window scaling factor when connecting to back-end
servers. The default value is "No".
7.1.13 When Application Policies Take Effect:
Application policy changes take effect on an FX Series ADCs immediately after changes are made.
Once this occurs, the FX Series Remote will be notified of the policy change at the next object retrieval
request. At that time, the FX Series Remote will read all of the current policies from the FX Series ADC,
and it will adhere to those policies for the applications for which that FX Series ADC is being used for
optimization. The new policies will not affect the FX Series Remote interaction with other FX Series ADCs
(if it is interacting with multiple FX Series ADCs concurrently).
7.1.14 Web Application Firewall
The FX Series ADC offers Buffer Overflow Prevention capabilities to an enterprise infrastructure.
Detection and blockage of overflow attacks which otherwise could lead to malicious code being run on a
server or other unauthorized access. This is an inherent feature of the FX Series ADC - no special
configuration is required. Any buffer overflow detected in an HTTP message will cause an event to be
recorded in the exception log.
FX Series Administration Guide - Version 6.2.2
Chapter: FX Series Optimization Settings
Section: Application Policies Overview
139
MN-FXSERIESADM6 Rev 6
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