Fast-Adding Security Group Rules

Scenarios

The fast-adding rule function of security groups allows you to quickly add rules with common ports and protocols for remote login, ping tests, common web services, and database services.

Foe details about common ports used by cloud servers, see Common Ports Used by ECSs.

Procedure

1. Log in to the management console.

2. Click in the upper left corner and select the desired region and project.
3. Click in the upper left corner and choose Networking > Virtual Private Cloud.

   The Virtual Private Cloud page is displayed.

4. In the navigation pane on the left, choose Access Control > Security Groups.

   The security group list is displayed.

5. Locate the row that contains the target security group and click Manage Rule in the Operation column.

   The page for configuring security group rules is displayed.

6. On the Inbound Rules tab, click Fast-Add Rule.

   The Fast-Add Inbound Rule dialog box is displayed.

7. Configure required parameters.
   Figure 1 Fast-Add Inbound Rule
   

   Table 1 Inbound rule parameter description

   Parameter	Description	Example Value
   Protocols and Ports	Common protocols and ports are provided for: Remote login and ping Web services Databases	SSH (22)
   Type	Source IP address version. You can select: IPv4 IPv6	IPv4
   Source	Source of the security group rule. The value can be an IP address or a security group to allow access from IP addresses or instances in the security group. You can specify: Single IP address: 192.168.10.10/32 (IPv4); 2002:50::44/127 (IPv6) IP address range: 192.168.1.0/24 (IPv4); 2407:c080:802:469::/64 (IPv6) All IP addresses: 0.0.0.0/0 (IPv4); ::/0 (IPv6) Security group: sg-abc If the source is a security group, this rule will apply to all instances associated with the selected security group.	0.0.0.0/0
   Action	Allow or Deny If the Action is set to Allow, access from the source is allowed to ECSs in the security group over specified ports. If the Action is set to Deny, access from the source is denied to ECSs in the security group over specified ports. Security group rules are matched by priority and then by action. Deny rules take precedence over allow rules. For more information, see How Traffic Matches Security Group Rules.	Allow
   Priority	Security group rule priority. The priority value is from 1 to 100. The default value is 1 and has the highest priority. The security group rule with a smaller value has a higher priority.	1
   Description	(Optional) Supplementary information about the security group rule. The description can contain a maximum of 255 characters and cannot contain angle brackets (< or >).	-

8. Click OK.

   The inbound rule list is displayed and you can view your added rule.

9. On the Outbound Rules tab, click Fast-Add Rule.

   The Fast-Add Outbound Rule dialog box is displayed.

10. Configure required parameters.
    Figure 2 Fast-Add Outbound Rule
    

    Table 2 Outbound rule parameter description

    Parameter	Description	Example Value
    Protocols and Ports	Common protocols and ports are provided for: Remote login and ping Web services Databases	SSH (22)
    Type	Source IP address version. You can select: IPv4 IPv6	IPv4
    Destination	Destination of the security group rule. The value can be an IP address or a security group to allow access to IP addresses or instances in the security group. You can specify: xxx.xxx.xxx.xxx/32 (IPv4 address) xxx.xxx.xxx.0/24 (IPv4 address range) 0.0.0.0/0 (all IPv4 addresses) sg-abc (security group) Single IP address: 192.168.10.10/32 (IPv4); 2002:50::44/127 (IPv6) IP address range: 192.168.1.0/24 (IPv4); 2407:c080:802:469::/64 (IPv6) All IP addresses: 0.0.0.0/0 (IPv4); ::/0 (IPv6) Security group: sg-abc	0.0.0.0/0
    Priority	Security group rule priority. The priority value is from 1 to 100. The default value is 1 and has the highest priority. The security group rule with a smaller value has a higher priority.	1
    Action	Allow or Deny If the Action is set to Allow, access from ECSs in the security group is allowed to the destination over specified ports. If the Action is set to Deny, access from ECSs in the security group is denied to the destination over specified ports. Security group rules are matched by priority and then by action. Deny rules take precedence over allow rules. For more information, see How Traffic Matches Security Group Rules.	Allow
    Description	(Optional) Supplementary information about the security group rule. The description can contain a maximum of 255 characters and cannot contain angle brackets (< or >).	-

11. Click OK.

    The outbound rule list is displayed and you can view your added rule.