Tuesday, 30 May 2017

Some networks time out when I trying to make AJAX calls to my server

I have an application with a React/Redux frontend deployed on AWS S3, and an Express/Mongo backend deployed on AWS EC2. The application works fine on MOST networks.

However, on a certain network, whenever the frontend tries to make any AJAX call to the backend, I get a timeout error:

"Failed to load resource: net::ERR_CONNECTION_TIMED_OUT".

So far, it's only this particular internet that is giving me the error, and it also happens to be a government site's network. I'm thinking there may be some setting I need to configure on my AWS EC2 server?



via ronsun03

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