Does ProxySG query DNS server prior to issuing a 407 Authentication challenge

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Article ID: 168456

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Updated On:

Products

ProxySG Software - SGOS

Issue/Introduction

Scenario:
Explicit Deployment
Authentication mode is Auto

Cause

Proxy may query a DNS server for the domain being requested and will wait for a DNS response prior the initial 407.  
This will happen if the domain being accessed is not in the ProxySG's cache