What is the difference between Security Group and Network ACL ?
The following are the difference between Security Groups and Network ACLs:
Security Group | Network Access Control List |
---|---|
In security group, we operate at instance level. | In network ACL, we operate sub net level. |
It support only allow rules. | It support allow rules and deny rules. |
It is stateful, when we create an inbound or an outbound rule. | It is stateless, it return traffic must be allowed explicitly. |
We cannot block specific IP address using SGs. | We can block specific IP Address using NACL. |
All rules are evaluated before deciding to permit trffic. | Rules are processed in number order when deciding whether allow traffic. |
It start with instance launch configuration. | In which we assigned to subnet for all instance. |
It applies when someone specifies security group when launching the instance and it associates with security group. | They do not depend on user it automatically apply all instances with subnet. |
Difference between Security Group and Network ACL in AWS
In AWS Cloud, Both the security groups and network ACLs play a important roles in managing the network traffic, but they work differently. Understanding the difference of these make us the aware of the security implementation of AWS Setup. In the article, we will disucss in detail about what are Security groups and Network ACL, their differences and troubleshooting issues much more..
Table of Content
- What is the difference between Security Group and Network ACL ?
- What are AWS Security Groups?
- What is Network ACL in AWS?
- How does Network ACL ( NACL ) works?
- What is the difference between Network ACL and Route Table?
- How to control the Trafficc to Subnets Using Network ACLs? A Step-By-Step Guide
- Network ACL Basis
- Network ACL Rules
- Network ACLs and Other AWS Services
- Work With Network ACLS
- Troubleshooting of Security Groups And Network ACLs
- Network ACL AWS – FAQs
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