No connection could be made because the target machine actively refused it?

Question

Sometimes I get the following error while I was doing HttpWebRequest to a WebService. I copied my code below too.

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System.Net.WebException: Unable to connect         


        

Answer 1

The most probable reason is a Firewall.

This article contains a set of reasons, which may be useful to you.

From the article, possible reasons could be:

• FTP server settings
• Software/Personal Firewall Settings
• Multiple Software/Personal Firewalls
• Anti-virus Software
• LSP Layer
• Router Firmware
• Computer Turned Off
• Computer Not Plugged In
• Fiddler