can not visit the web app made of angular cli on the digitalocean

I have built a simple web app using angular-cli 2,it works well in the local machine. now i tried to deploy it onto a digitalocean server,enter image description here

however when going to the web server link with http://ip address:4200, i can’t visit the web app.

Note: I can make sure the firewall is open to the web application on that port since in ufw status shows 4200 ALLOW Anywhere

Submit an answer

This textbox defaults to using Markdown to format your answer.

You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!

Sign In or Sign Up to Answer

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

no, there is no specific error on both web browser side or server side. On the web browser side, it just show me ‘This site can’t be reached, refused to connect.’

You need your local computer to connect to the server via ssh tunneling. ssh -L 4200:yourdigitaloceanipaddress:4200 user@yourdigitaloceanipaddress and then ng -serve host=


Are you receiving any specific error when navigating to the URI (either in-browser or from the CLI)?

Try DigitalOcean for free

Click below to sign up and get $200 of credit to try our products over 60 days!

Sign up

Featured on Community

Get our biweekly newsletter

Sign up for Infrastructure as a Newsletter.

Hollie's Hub for Good

Working on improving health and education, reducing inequality, and spurring economic growth? We'd like to help.

Become a contributor

Get paid to write technical tutorials and select a tech-focused charity to receive a matching donation.

Welcome to the developer cloud

DigitalOcean makes it simple to launch in the cloud and scale up as you grow — whether you're running one virtual machine or ten thousand.

Learn more
DigitalOcean Cloud Control Panel