May 2019
Intermediate to advanced
308 pages
8h 5m
English
Content preview from AWS Certified Advanced Networking - Specialty Exam Guide
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Network access control lists
To automate network access control list (NACL) creation, we first need to create a NACL resource in the template. We will name it PrivateSubnetACL and attach it to simpleVPC with "VpcId" : { "Ref" : "simpleVPC" }. We are also adding the tags, as with all the other resources:
"PrivateSubnetACL" : { "Type" : "AWS::EC2::NetworkAcl", "DependsOn" : "simpleVPC", "Properties" : { "VpcId" : { "Ref" : "simpleVPC" }, "Tags" : [ {"Key" : "purpose", "Value" : "demo"} ] } },
Next, we create the inbound "Egress" : "false" allow "RuleAction" : "allow" rule for the NACL. We will name it PrivateSubnetACLIn, make it dependent on the NACL we created before with "DependsOn" : "PrivateSubnetACL", and allow protocol 6 (TCP) with
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.