Tag Archives: network

See if the internet is available in C#

Posted on March 1, 2018 by Rod Stephens

There are many ways you can test your network to see if the internet is available. Some methods may indicate that the network is connected if your local network is available even though the internet is not. Even if you … Continue reading →

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Map between host names and IP addresses in C#

Posted on January 11, 2017 by Rod Stephens

When you enter a host name and click Go, the program uses the following code to look up the host and display the IP addresses associated with it. using System.Net; … // Display the entered host’s IP address. private void … Continue reading →

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See if Internet Explorer uses a proxy in C#

Posted on December 28, 2016 by Rod Stephens

This example determines whether the system has Internet Explorer configured to use a proxy. Internet Explorer lets you specify proxy settings. In the Tools menu, select Internet Options. On the Connections tab, click the LAN Settings button. The goal of … Continue reading →

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Access firewall information and check firewall status using the dynamic keyword in C#

Posted on January 5, 2015 by Rod Stephens

This advanced firewall example comes from Special Guest Blogger John Mueller. John is a prolific author who’s written more than 86 books on all sorts of topics including operating systems, working with the command-line, Python, Visual Basic, and of course … Continue reading →

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