Selenium Proxy IP Address Configuration IP Not Correct - selenium

Question

I have paid/rented a proxy server in brazil
String proxyAddress = "myusername:myuserpass123#196.18.199.51:15464"
proxy.setAutodetect(false);
proxy.setHttpProxy(proxyAddress);
proxy.setSslProxy(proxyAddress);
chromeOptions.setCapability(CapabilityType.PROXY, proxy);
WebDriver webDriver = new ChromeDriver(chromeOptions);
I m running the webdriver on my local computer and I am in Indonesia. When the chrome browser opens up, I can debug and made sure that capabilities were set correctly: I can see the manual proxy setting set to the correct address string above.
However, when webdriver opens https://api.ipify.org/?format=json, it still returns my IP in Indonesia. What am I Missing here? My expectation is because I had configured webdriver to be proxied by a server in Brazil, https://api.ipify.org/?format=json should return Brazilian IP address?

Answer 1

Using Selenium 4 BiDirectional API (https://www.selenium.dev/documentation/webdriver/bidirectional/bidi_api/)
Register Basic Auth.
Some applications make use of browser authentication to secure pages. With Selenium, you can automate the input of basic auth credentials whenever they arise.
//C#
//Console App .NET 6
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
Proxy proxy = new Proxy();
var proxyAddress = "address:port";
proxy.HttpProxy = proxyAddress;
proxy.SslProxy = proxyAddress;
ChromeOptions options = new ChromeOptions();
options.Proxy = proxy;
IWebDriver driver = new ChromeDriver(options);
NetworkAuthenticationHandler handler = new NetworkAuthenticationHandler()
{
UriMatcher = (d) => d.Host.Contains("your-domain.com"), // or set it `true` to enable proxy everywhere
Credentials = new PasswordCredentials("admin", "password")
};
INetwork networkInterceptor = driver.Manage().Network;
networkInterceptor.AddAuthenticationHandler(handler);
await networkInterceptor.StartMonitoring();
driver.Navigate().GoToUrl("https://api.ipify.org/?format=json");
await networkInterceptor.StopMonitoring();