AWS Security Groups are one of the most used and abused configurations inside an AWS environment if you are using them on cloud quite long. Since AWS security groups are simple to configure, users many times ignore the importance of it and do not follow best practices relating to it. In reality, operating on AWS security groups every day is much more intensive and complex than configuring them once. Actually, nobody talks about it! So in this article, I am going to share our experience in dealing with AWS Security groups since 2008 as a set of best practice pointers relating to configuration and day to day operations perspective.
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