Overview
A network ACL that whitelists inbound and outbound traffic based on Port(s) and blocks all other traffic.
The template creates the network access list (NACL) into an existing VPC, and requires the following details:
- VPC ID: Provide the VPC ID to create the NACL in.
- NACL Rules: Click on 'Customize Rules' and enter the missing rule information (Source IP, Port number, Protocol, and Action) depending on the NACL template.
See Related Items section for configuration templates to create a new VPC.
Configuration Templates
Items
5
Size
1.2 KB
Missing Parameters
AWSTemplateFormatVersion: '2010-09-09'
Description: ''
Resources:
NetworkAcl:
Type: 'AWS::EC2::NetworkAcl'
Properties:
VpcId: ''
IngressRule0:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
Egress: false
NetworkAclId:
Ref: NetworkAcl
CidrBlock: 0.0.0.0/0
Protocol: tcp
PortRange:
From: ''
To: ''
RuleNumber: '100'
RuleAction: allow
IngressRule1:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
Egress: false
NetworkAclId:
Ref: NetworkAcl
CidrBlock: 0.0.0.0/0
Protocol: '-1'
RuleNumber: '200'
RuleAction: deny
EgressRule0:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
Egress: true
NetworkAclId:
Ref: NetworkAcl
CidrBlock: 0.0.0.0/0
Protocol: tcp
PortRange:
From: ''
To: ''
RuleNumber: '100'
RuleAction: allow
EgressRule1:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
Egress: true
NetworkAclId:
Ref: NetworkAcl
CidrBlock: 0.0.0.0/0
Protocol: '-1'
RuleNumber: '200'
RuleAction: deny
Parameters: {}
Metadata: {}
Conditions: {}
Actions
Sources and Documentation
Configuration Source: Native Feature