The ProxySG appliance sends DNS lookups when configured for a reverse proxy deployment.

Solution

Overview

The ProxySG appliance sends DNS lookups when configured for a reverse proxy deployment.

Cause
Resolution

There are a few things that can cause the ProxySG to perform DNS lookups.

DNS lookups in a reverse proxy deployment can occur when any of the following are active:

  • Adaptive Refresh
  • Access logging
  • Pipelining
  • HTTP health checks against a hostname
  • Policy that is based on URL or category (the proxy will do an RDNS lookup if it receives an IP as the host header in a request)

 

 

 

Workaround
Additional Information
Bug Number
InQuira Doc IdKB5030
Attachment

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