hosting on alibaba cloud using ecs

I cloned my repo on Alibaba cloud ECS instance and created build there and served it from there and it was successful as seen in the image in the URL. But when I open the local URL on which application has been hosted, it shows connection timed out. Can someone help me with this?

URL: https://drive.google.com/open?id=1LkjAYjNqKmIPRc8z9FdaYQRrSd1GNQlY

Also why users with reputation less than 60 not able to attach images!!!

Add new security group rules for port 6000 for your ECS instance

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