The Journey of a Network Engineer:

proxy

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February 16, 2012  12:03 AM

Moving from Explicit Proxy to Transparent Proxy – part 4



Posted by: Sulaiman Syed
Cisco, Citrix, explicit, PBR, proxy, proxysg, router, switch, transparent

We have reached into a finalized design to run transparent proxy setup. The figure below shows the network diagram.

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January 1, 2012  8:05 AM

Moving from Explicit Proxy to Transparent Proxy – part 3



Posted by: Sulaiman Syed
6500, BlueCoat, Cisco, design, network, packeteer, packetshaper, paloalto, proxy, transparent

While we had overall idea of the design direction, we have identified other points that were integrated into the final design. The diagram below shows the almost finalized design.


December 27, 2011  1:11 AM

Moving from Explicit Proxy to Transparent Proxy – part 2



Posted by: Sulaiman Syed
Cisco, design, explicit, Firewall, network, PBR, proxy, router, switch, transparent

If you have read the first part of this series, you would know that there is major upgrade plan move from explicit proxy...


December 25, 2011  4:42 AM

Moving from Explicit Proxy to Transparent Proxy – part 1



Posted by: Sulaiman Syed
bridge, Cisco, explicit, PBR, proxy, router, switch, transparent, WCCP

Proxy can  be implemented in either a explicit or transparent mode. The deployment of proxy (network logical location) can be either in-line (bridge) or out-line. Since we are planning to more from the explicit mode to transparent mode, various changes are required to be done, on both network...


December 24, 2011  12:18 AM

How to configure ProxySG to cache youtube video?



Posted by: Sulaiman Syed
BlueCoat, cache, googlevideo, proxy, proxysg, video, youtube

Many medium to big organizations use ProxySG to filter and control the traffic leaving the enterprise network. One of the big strengths of Bluecoat ProxySG is the cache. It is one of the best cache devices out there in the market. As we all know, youtube can be considered one of the main web...


February 23, 2011  5:29 AM

How to design transparent proxy?



Posted by: Sulaiman Syed
Cisco, design, in-line, network, PBR, proxy, router, transparent, WCCP

Almost every organization uses proxy. The benefits of proxy servers are countless. Some of these benefits are mentioned:

  • Add Accounting
  • Add Authorization
  • Reduce the load on the external (wan) link
When the proxy is installed in transparent setup. it...


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