c# httpclient use proxy code example
Example: add proxy to httpclient c#
public static async Task<string> Http1_Get_With_Proxy(string url1)
{
string html_content = "";
try
{
WebProxy proxy = new WebProxy
{
Address = new Uri($"http://1.2.3.4:8888"),
};
ServicePointManager.Expect100Continue = false;
ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
HttpClientHandler clientHandler = new HttpClientHandler()
{
AllowAutoRedirect = true,
AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip,
Proxy = proxy,
};
using HttpClient client1 = new HttpClient(clientHandler);
client1.DefaultRequestHeaders.Accept.Clear();
client1.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("*/*"));
client1.DefaultRequestHeaders.Add("Accept-Encoding", "gzip, deflate");
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url1);
HttpResponseMessage response = await client1.SendAsync(request);
if (response.StatusCode == HttpStatusCode.OK)
{
html_content = await response.Content.ReadAsStringAsync();
}
}
catch (HttpRequestException ex)
{
Console.WriteLine(ex.Message);
}
return (html_content);
}