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Block The Ip Address Using The Network ACL In AWS

This article explains how to block the IP address using the Network ACL in AWS.

Blocking The Ip Address

For blocking the IP address, go to the Network ACL. Click on the Edit inbound rules button.

Picture showing the list of inbound rules of NACL

A screen will appear to add a new rule. Click on the Add new rule button to add the new section. In the new section, enter the values mentioned in the table below.

Field Name	Value
Rule number	1 (Any number lower than 100)
Type	All traffic
Protocol	All
Port range	All
Source	[IP address to be blocked]
Allow/Deny	Deny

Picture showing an inbound rule for blocking an IP address

Click on the Save changes to save the rule.

Posted By -	Karan Gupta

Posted On -	Friday, April 22, 2022

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