Ethereum: Binance WSS api url is being treated as HTTPS on both Google Chrome and Firefox
Ethereum Binance WebSockets API Issue in Chrome Browser
Introduction
The following article discusses a common issue experienced by users of the Ethereum blockchain and related APIs, including the Binance WebSockets API, and related issues. The issue is that the wss://stream.binance.com:9443 URL endpoint used to establish a WebSocket connection to the Binance exchange is treated as HTTPS instead of HTTP (or even FTP) in both Google Chrome and Mozilla Firefox browsers.
Issue
When using the Binance WebSockets API, it is essential to use an HTTP or HTTPS connection to ensure that the data sent over the network is properly authenticated and validated. The default WebSocket URL is wss://stream.binance.com:9443, which encrypts all traffic between the client and server, but redirects all requests from Chrome’s internal proxy cache to another endpoint using Transport Layer Security (TLS) encryption.
Workaround
To resolve this issue, you should use an alternative connection URL that bypasses the TLS redirect. Here’s how to change your code:
`JavaScript
import io from 'socket.io-client';
const socket = io('
// or for FTP (File Transfer Protocol)
const ftpUrl = 'ftp://stream.binance.com:9443';
socket.on('connect', () => {
console.log('Connected to Binance WebSockets API');
});
“
Testing the modified code
Try running your modified code in a Chrome browser and verify that you can successfully connect to the Binance WebSockets API. If you are still experiencing issues, ensure the following:
- You have the latest version of Chrome installed.
- Thewss://stream.binance.com:9443` endpoint is not blocked or restricted by any security features.
Conclusion
By using an alternative connection URL such as HTTP or FTP, you should be able to successfully establish a WebSocket connection to Binance Exchange without encountering the HTTPS redirection issue in Chrome and Firefox browsers.
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