本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 搭配使用 `DescribeNetworkAcls` 與 CLI
<a name="example_ec2_DescribeNetworkAcls_section"></a>

下列程式碼範例示範如何使用 `DescribeNetworkAcls`。

------
#### [ CLI ]

**AWS CLI**  
**描述您的網路 ACL**  
下列 `describe-network-acls` 範例會擷取有關網路 ACL 的詳細資訊。  

```
aws ec2 describe-network-acls
```
輸出：  

```
{
    "NetworkAcls": [
        {
            "Associations": [
                {
                    "NetworkAclAssociationId": "aclassoc-0c1679dc41EXAMPLE",
                    "NetworkAclId": "acl-0ea1f54ca7EXAMPLE",
                    "SubnetId": "subnet-0931fc2fa5EXAMPLE"
                }
            ],
            "Entries": [
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": true,
                    "Protocol": "-1",
                    "RuleAction": "allow",
                    "RuleNumber": 100
                },
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": true,
                    "Protocol": "-1",
                    "RuleAction": "deny",
                    "RuleNumber": 32767
                },
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": false,
                    "Protocol": "-1",
                    "RuleAction": "allow",
                    "RuleNumber": 100
                },
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": false,
                    "Protocol": "-1",
                    "RuleAction": "deny",
                    "RuleNumber": 32767
                }
            ],
            "IsDefault": true,
            "NetworkAclId": "acl-0ea1f54ca7EXAMPLE",
            "Tags": [],
            "VpcId": "vpc-06e4ab6c6cEXAMPLE",
            "OwnerId": "111122223333"
        },
        {
            "Associations": [],
            "Entries": [
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": true,
                    "Protocol": "-1",
                    "RuleAction": "allow",
                    "RuleNumber": 100
                },
                {
                    "Egress": true,
                    "Ipv6CidrBlock": "::/0",
                    "Protocol": "-1",
                    "RuleAction": "allow",
                    "RuleNumber": 101
                },
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": true,
                    "Protocol": "-1",
                    "RuleAction": "deny",
                    "RuleNumber": 32767
                },
                {
                    "Egress": true,
                    "Ipv6CidrBlock": "::/0",
                    "Protocol": "-1",
                    "RuleAction": "deny",
                    "RuleNumber": 32768
                },
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": false,
                    "Protocol": "-1",
                    "RuleAction": "allow",
                    "RuleNumber": 100
                },
                {
                    "Egress": false,
                    "Ipv6CidrBlock": "::/0",
                    "Protocol": "-1",
                    "RuleAction": "allow",
                    "RuleNumber": 101
                },
                {
                    "CidrBlock": "0.0.0.0/0",
                    "Egress": false,
                    "Protocol": "-1",
                    "RuleAction": "deny",
                    "RuleNumber": 32767
                },
                {
                    "Egress": false,
                    "Ipv6CidrBlock": "::/0",
                    "Protocol": "-1",
                    "RuleAction": "deny",
                    "RuleNumber": 32768
                }
            ],
            "IsDefault": true,
            "NetworkAclId": "acl-0e2a78e4e2EXAMPLE",
            "Tags": [],
            "VpcId": "vpc-03914afb3eEXAMPLE",
            "OwnerId": "111122223333"
        }
    ]
}
```
如需詳細資訊，請參閱《*AWS VPC 使用者指南*》中的[網路 ACL](https://docs.aws.amazon.com/vpc/latest/userguide/vpc-network-acls.html)。  
+  如需 API 詳細資訊，請參閱《AWS CLI 命令參考》**中的 [DescribeNetworkAcls](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/describe-network-acls.html)。

------
#### [ PowerShell ]

**Tools for PowerShell V4**  
**範例 1：此範例描述指定的網路 ACL。**  

```
Get-EC2NetworkAcl -NetworkAclId acl-12345678
```
**輸出：**  

```
Associations : {aclassoc-1a2b3c4d}
Entries      : {Amazon.EC2.Model.NetworkAclEntry, Amazon.EC2.Model.NetworkAclEntry}
IsDefault    : False
NetworkAclId : acl-12345678
Tags         : {Name}
VpcId        : vpc-12345678
```
**範例 2：此範例描述指定之網路 ACL 的規則。**  

```
(Get-EC2NetworkAcl -NetworkAclId acl-12345678).Entries
```
**輸出：**  

```
CidrBlock    : 0.0.0.0/0
Egress       : True
IcmpTypeCode :
PortRange    :
Protocol     : -1
RuleAction   : deny
RuleNumber   : 32767

CidrBlock    : 0.0.0.0/0
Egress       : False
IcmpTypeCode :
PortRange    :
Protocol     : -1
RuleAction   : deny
RuleNumber   : 32767
```
**範例 3：此範例描述您的所有網路 ACL。**  

```
Get-EC2NetworkAcl
```
+  如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V4)》**中的 [DescribeNetworkAcls](https://docs.aws.amazon.com/powershell/v4/reference)。

**Tools for PowerShell V5**  
**範例 1：此範例描述指定的網路 ACL。**  

```
Get-EC2NetworkAcl -NetworkAclId acl-12345678
```
**輸出：**  

```
Associations : {aclassoc-1a2b3c4d}
Entries      : {Amazon.EC2.Model.NetworkAclEntry, Amazon.EC2.Model.NetworkAclEntry}
IsDefault    : False
NetworkAclId : acl-12345678
Tags         : {Name}
VpcId        : vpc-12345678
```
**範例 2：此範例描述指定之網路 ACL 的規則。**  

```
(Get-EC2NetworkAcl -NetworkAclId acl-12345678).Entries
```
**輸出：**  

```
CidrBlock    : 0.0.0.0/0
Egress       : True
IcmpTypeCode :
PortRange    :
Protocol     : -1
RuleAction   : deny
RuleNumber   : 32767

CidrBlock    : 0.0.0.0/0
Egress       : False
IcmpTypeCode :
PortRange    :
Protocol     : -1
RuleAction   : deny
RuleNumber   : 32767
```
**範例 3：此範例描述您的所有網路 ACL。**  

```
Get-EC2NetworkAcl
```
+  如需 API 詳細資訊，請參閱《AWS Tools for PowerShell Cmdlet 參考 (V5)》**中的 [DescribeNetworkAcls](https://docs.aws.amazon.com/powershell/v5/reference)。

------

如需 AWS SDK 開發人員指南和程式碼範例的完整清單，請參閱 [使用 SDK 建立 Amazon EC2 資源 AWS](sdk-general-information-section.md)。此主題也包含有關入門的資訊和舊版 SDK 的詳細資訊。