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Cloud and Infrastructure

171Virtual Network Concepts
172IP Address Ranges and CIDR Notation
173Private IP Address Spaces (RFC 1918)
174Creating a Virtual Network
175Subnet Fundamentals
176Public vs Private Subnets
177Subnet Sizing and Planning
178Availability Zones and Subnets
179Reserved IP Addresses in Subnets
180Route Tables Basics
181Default Routes and Local Routes
182Subnet Route Table Associations
183Multi-Tier Network Architecture
184IPv6 Support in Virtual Networks
185Network Address Translation (NAT) Preview
186Virtual Network Best Practices
187Internet Gateway Fundamentals
188Attaching Internet Gateways to VPCs
189Public vs Private Subnets
190Elastic IP Addresses
191NAT Fundamentals
192NAT Gateway Overview
193NAT Gateway Deployment
194NAT Gateway High Availability
195NAT Instance Basics
196NAT Instance Configuration
197NAT Gateway vs NAT Instance
198Egress-Only Internet Gateway
199Internet Connectivity Costs
200Troubleshooting Internet Connectivity
201Security Groups vs Network ACLs Overview
202Security Group Fundamentals
203Security Group Rules and Syntax
204Security Group Rule Evaluation
205Security Group Chaining and References
206Network ACL Fundamentals
207NACL Rule Ordering and Evaluation
208NACL Allow and Deny Rules
209Ephemeral Ports in Network Security
210Security Groups vs NACLs Use Cases
211Default Security Group Behavior
212Least Privilege Network Access
213Network Security Logging and Monitoring
214Security Group Best Practices
215Common Network Security Mistakes
216VPC Peering Fundamentals
217VPC Peering Routing and Limitations
218Transit Gateway Concepts
219Transit Gateway Route Tables
220VPC Endpoints for AWS Services
221PrivateLink and Service Endpoints
222VPC Flow Logs
223DNS Resolution in VPCs
224Private Hosted Zones
225DNS Resolution Between VPCs
226Hybrid DNS and Conditional Forwarding
227DHCP Options Sets
228Network ACL vs Security Group Comparison
229VPC Traffic Mirroring
230Shared VPCs and Multi-Account Networking

Cloud and Infrastructure

171Virtual Network Concepts
172IP Address Ranges and CIDR Notation
173Private IP Address Spaces (RFC 1918)
174Creating a Virtual Network
175Subnet Fundamentals
176Public vs Private Subnets
177Subnet Sizing and Planning
178Availability Zones and Subnets
179Reserved IP Addresses in Subnets
180Route Tables Basics
181Default Routes and Local Routes
182Subnet Route Table Associations
183Multi-Tier Network Architecture
184IPv6 Support in Virtual Networks
185Network Address Translation (NAT) Preview
186Virtual Network Best Practices
187Internet Gateway Fundamentals
188Attaching Internet Gateways to VPCs
189Public vs Private Subnets
190Elastic IP Addresses
191NAT Fundamentals
192NAT Gateway Overview
193NAT Gateway Deployment
194NAT Gateway High Availability
195NAT Instance Basics
196NAT Instance Configuration
197NAT Gateway vs NAT Instance
198Egress-Only Internet Gateway
199Internet Connectivity Costs
200Troubleshooting Internet Connectivity
201Security Groups vs Network ACLs Overview
202Security Group Fundamentals
203Security Group Rules and Syntax
204Security Group Rule Evaluation
205Security Group Chaining and References
206Network ACL Fundamentals
207NACL Rule Ordering and Evaluation
208NACL Allow and Deny Rules
209Ephemeral Ports in Network Security
210Security Groups vs NACLs Use Cases
211Default Security Group Behavior
212Least Privilege Network Access
213Network Security Logging and Monitoring
214Security Group Best Practices
215Common Network Security Mistakes
216VPC Peering Fundamentals
217VPC Peering Routing and Limitations
218Transit Gateway Concepts
219Transit Gateway Route Tables
220VPC Endpoints for AWS Services
221PrivateLink and Service Endpoints
222VPC Flow Logs
223DNS Resolution in VPCs
224Private Hosted Zones
225DNS Resolution Between VPCs
226Hybrid DNS and Conditional Forwarding
227DHCP Options Sets
228Network ACL vs Security Group Comparison
229VPC Traffic Mirroring
230Shared VPCs and Multi-Account Networking

← Cloud and Infrastructure

Lesson 214 of 2,989·4. Cloud Networking BasicsPro lesson

Security Group Best Practices

Follow best practices for naming, documentation, and organizing security groups to maintain manageable infrastructure.

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