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Chapter 16. Managing Networks and Traffic
210
• Virtual Machines
• CIDR
The following router information is displayed:
• Private Gateways
• Public IP Addresses
• Site-to-Site VPNs
• Network ACL Lists
5. Select Network ACL Lists.
The following default rules are displayed in the Network ACLs page: default_allow, default_deny.
6. Click Add ACL Lists, and specify the following:
• ACL List Name: A name for the ACL list.
• Description: A short description of the ACL list that can be displayed to users.
16.27.4.3. Creating an ACL Rule
1. Log in to the CloudPlatform UI as an administrator or end user.
2. In the left navigation, choose Network.
3. In the Select view, select VPC.
All the VPCs that you have created for the account is listed in the page.
4. Click the Configure button of the VPC.
5. Select Network ACL Lists.
In addition to the custom ACL lists you have created, the following default rules are displayed in
the Network ACLs page: default_allow, default_deny.
6. Select the desired ACL list.
7. Select the ACL List Rules tab.
To add an ACL rule, fill in the following fields to specify what kind of network traffic is allowed in
the VPC.
• Rule Number: The order in which the rules are evaluated.
• CIDR: The CIDR acts as the Source CIDR for the Ingress rules, and Destination CIDR for the
Egress rules. To accept traffic only from or to the IP addresses within a particular address block,
enter a CIDR or a comma-separated list of CIDRs. The CIDR is the base IP address of the
incoming traffic. For example, 192.168.0.0/22. To allow all CIDRs, set to 0.0.0.0/0.
• Action: What action to be taken. Allow traffic or block.
• Protocol: The networking protocol that sources use to send traffic to the tier. The TCP and
UDP protocols are typically used for data exchange and end-user communications. The ICMP