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Alibaba ECS Security Groups API upgrade notice

Dear user,

The API of Security Groups will be upgraded before May 11, 2017 for optimization purpose. After the upgrade, the inbound rules changes for new created ECS instance which associates the default Security Group.

1. The new Default Security Groups configuration opens only 3 inbound ports ( ICMP traffic , TCP traffic on port 22 (SSH login) and TCP traffic on port 3389(RDP login) ) , following is the detailed configuration.

Authorization Policy: Allow, Protocol Type: ICMP, Port Range: -1/-1, Authorization Object: 0.0.0.0/0

Authorization Policy: Allow, Protocol Type: TCP, Port Range: 22/22, Authorization Object: 0.0.0.0/0

Authorization Policy: Allow, Protocol Type: TCP, Port Range: 3389/3389, Authorization Object: 0.0.0.0/0

To see and modify Security Group rules, go to [ ECS console], select [ Security Groups] in the navigation pane, and select [Configure Rules].

2. Internet inbound rules of classic-Default Security Groups and Intranet inbound rules of dedicated-Default Security Groups will be upgraded.

3. Existing Default Security Groups or customized Security Groups will not be affected.

Alibaba Cloud Computing Ltd.

May 4. 2017