Managing AWS Security Groups with Piculet

The Problem

One of the first things I noticed when starting to work with AWS is that security groups are very hard to maintain:

  • Name and description are immutable - One can't modify the name/description of a Security Group after it's created
  • Groups contain magical constants - There is ...
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Network Monitor capture filter limitations

I recently had to deal with some network traffic issues, so naturally I turned to NetMon.
My problem was with some TCP packets not reaching their destination.
Since TCP has packet acknowledgements (meaning the receiving end says "packet received" or the packet is sent again), the issue was detectable as ...

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Setting Dynamic RPC Port Ranges

We recently had to manually set the dynamic RPC port range in our servers, mainly because Exchange 2010 sets the port range so wide that the firewall guys (rightfully) refused to create a rule with that range.

Warning - at your own risk!

When I found out about those settings, I ...

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