Why Can't Security Groups Be Configured for DCS Redis 4.0/5.0/6.0 Basic Edition Instances?

Creating a Whitelist Group

1. Log in to the management console, and choose Application > Distributed Cache Service in the service list.
2. Click in the upper left corner of the management console and select the region where your instance is located.
3. In the navigation pane, choose Cache Manager.
4. Click the name of a DCS instance.
5. Choose Instance Configuration > Whitelist. On the displayed page, click Create Whitelist Group.
6. In the Create Whitelist Group dialogue box, specify Group Name and IP Address/Range.

   Table 1 Whitelist parameters

   Parameter	Description	Example
   Group Name	Whitelist group name of the instance. A maximum of four whitelist groups can be created for each instance. Group naming rules: Start with a letter. 4 to 64 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.	DCS-test
   IP Address/Range	IP addresses or address segments of the instances allowed for access. A maximum of 100 IP addresses or IP address segments can be added to an instance. Use commas (,) to separate multiple IP addresses or address segments. Unsupported IP address and IP address range: 0.0.0.0 and 0.0.0.0/0.	10.10.10.1,10.10.10.10,192.168.0.0/16

7. Click OK.

   The whitelist function takes effect immediately after the whitelist group is created. Only whitelisted IP addresses can access the instance. For persistent connections, the whitelist takes effect after reconnection.

   

   • To modify a whitelist: Click Edit on the whitelist page to modify the IP addresses or address segments of a whitelist.
   • To delete a whitelist: Click Delete on the whitelist page to delete a whitelist group.
   • To disable a whitelist: Click Disable Whitelist in the left corner of the whitelist tab page. After a whitelist is disabled, IP addresses within the same VPC as the instance can be used to access the instance. To enable the whitelist, click Enable Whitelist.