Parent Proxy

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If you want Artica to be part of a hierarchy of proxies or you just want Artica to fetch content not directly from a web server but rather indirectly from another proxy then read on how to do that.

Use a Proxy Parent

• Configure the use of an upstream parent proxy
  To enable the use of parent proxies, you need to enable the feature under the  “Features” section.
   
• Exclude domains from parents
  In some cases, it is necessary not to use parents to access specific websites.
   
• Connection issue on Parent's proxy, which is always available
  In some cases, you may encounter connection errors from the Artica child proxy when you are sure that the parent proxy is available. Some Bad Gateways can be seen in the access logs.
   
• Chained SSL decryption with an SSL-intercepting parent proxy
  When your Artica proxy server is configured to perform SSL decryption (also known as SSL bumping) and it forwards HTTPS requests to an upstream (parent) proxy that also performs SSL bumping

Use multiple parents

• Use parents proxies using round-robin (video)
  This video describes how to use proxy parents in Artica, using the round-robin method to balance parents.
   
• Use Parent proxies with load-balancing least connection
  Under certain conditions, the proxy service's load balancing module is not intelligent enough to switch between the various parent proxies correctly.

The main purpose of the use of proxy inside a hierarchy is to centralize access rules and accesses events on one or 2 proxies servers act as main hubs

A Proxy client for each remote office

In a large network divided into several remote offices, we are encouraged to install a proxy on each office and each refers to a central proxy.
This infrastructure simplifies web communications in that we are able to control server-to-server communications.
Indeed, workstations located on  remote sites  have only one way to go through the local installed Artica proxy in order to access trough Internet.

A specific parent proxy for secure extranets

Sometimes you need to centralize and forward browsers requests to a specific secure extranet server with authentication method using a parent proxy on Internet.