要将AWS网络ACL配置为仅接受来自另一个网络ACL的流量,您可以使用AWS的CloudFormation服务来创建网络ACL,并通过引用其他网络ACL来限制流量。
下面是一个使用CloudFormation模板来创建网络ACL并配置仅接受来自另一个网络ACL的流量的示例:
Resources:
NetworkACL1:
Type: AWS::EC2::NetworkAcl
Properties:
VpcId: your-vpc-id
Tags:
- Key: Name
Value: NetworkACL1
NetworkACL2:
Type: AWS::EC2::NetworkAcl
Properties:
VpcId: your-vpc-id
Tags:
- Key: Name
Value: NetworkACL2
NetworkACLEntry:
Type: AWS::EC2::NetworkAclEntry
Properties:
NetworkAclId: !Ref NetworkACL1
RuleNumber: 100
Protocol: -1
RuleAction: allow
Egress: false
CidrBlock: 0.0.0.0/0
PortRange:
From: 0
To: 65535
Icmp:
Code: -1
Type: -1
RuleType: outbound
NetworkACLEntry2:
Type: AWS::EC2::NetworkAclEntry
Properties:
NetworkAclId: !Ref NetworkACL1
RuleNumber: 200
Protocol: -1
RuleAction: allow
Egress: false
CidrBlock: 0.0.0.0/0
PortRange:
From: 0
To: 65535
Icmp:
Code: -1
Type: -1
RuleType: inbound
RuleAction: deny
RuleNumber: 200
NetworkAclEntry:
Protocol: -1
RuleAction: deny
Egress: false
RuleNumber: 200
PortRange:
From: 0
To: 65535
Icmp:
Code: -1
Type: -1
CidrBlock: 0.0.0.0/0
RuleType: inbound
NetworkAclId: !Ref NetworkACL2
Outputs:
NetworkACL1Id:
Value: !Ref NetworkACL1
Description: Network ACL 1 ID
NetworkACL2Id:
Value: !Ref NetworkACL2
Description: Network ACL 2 ID
请将 your-vpc-id 替换为您的VPC的ID。
在这个示例中,我们创建了两个网络ACL(NetworkACL1和NetworkACL2)。然后,我们通过创建一个出站规则(NetworkACLEntry)允许所有流量离开NetworkACL1,然后创建一个入站规则(NetworkACLEntry2)拒绝所有流量,除非它来自NetworkACL2。
这样,NetworkACL1将只接受来自NetworkACL2的流量。
您可以使用AWS CloudFormation控制台、AWS CLI或AWS SDK来部署此CloudFormation模板。