How to use http post with proxy support in c# and multipart form data upload method
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3 Answers
This post by Brian Grinstead explains how you can do just that.
For proxy support, you only need to pass a Proxy setting to HttpWebRequest. So, in the above example, you would change:
HttpWebRequest request = WebRequest.Create(postUrl) as HttpWebRequest;
To:
string MyProxyHostString = "192.168.1.200";
int MyProxyPort = 8080;
HttpWebRequest request = WebRequest.Create(postUrl) as HttpWebRequest;
request.Proxy = new WebProxy (MyProxyHostString, MyProxyPort);
2 Comments
AnthonyWJones
The problem with this approach is it hard codes the proxy address/port into the compiled code.
Druid
That can easily be placed anywhere else. I put it in this way to explain the example better.
If you need to configue a proxy then you can do so in the .config file:-
<system.net>
<defaultProxy enabled="true">
<proxy proxyaddress="http://myproxyserver:8080" bypassonlocal="True"/>
</defaultProxy>
</system.net>
See this question on form data posting.
5 Comments
monkey_boys
http post? webRequest ? what atr you saying?
AnthonyWJones
Sorry thought you we just asking about proxy support, however the largest part of the question is regarding multipart form data.
monkey_boys
can i use proxy in some one ex. proxy4free.com/page1.html to http post 189.80.133.186 8080 ??
AnthonyWJones
Don't see why not, assuming you really want to expose your data to any Tom, Dick or Harry that might be running a free proxy server.
AnthonyWJones
"Proxy support ?" What exactly are you asking? The answer describes how you specify a proxy server that classes in System.Net namespace will use.
If the web request works fine in your localhost with default proxy and not working in your web server, then you have to set your company's approved proxy and also whitelist the URL you are connecting to from your web application in the web server.
You can mention the proxy settings either in web.config or in code.
<system.net>
<defaultProxy enabled="true">
<proxy proxyaddress="http://yourcompanyproxyserver:8080" bypassonlocal="True"/>
</defaultProxy>
</system.net>
(or)
HttpWebRequest wr = (HttpWebRequest)WebRequest.Create("URL");
wr.Proxy = new WebProxy("companyProxy",Portnumber);
wr.Method = "POST";
