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<blockquote data-quote="BIOS" data-source="post: 462669" data-attributes="member: 15674">I'd recommend avoiding Telnet as it is an old unencrypted protocol. You'd probably be better using something like UNIX (or regular TCP) sockets for this, depending on what you're trying to achieve. Is the host always on the local machine, or sometimes remote?You can use <a href="https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.tcpclient.connect?view=netcore-3.1" target="_blank">TcpClient.Connect</a> for that or <a href="https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.unixdomainsocketendpoint?view=netstandard-2.1" target="_blank">UnixDomainSocketEndPoint</a>. You'll need to create a listener on the server to read the incoming data (see example: <a href="https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.tcplistener?view=netcore-3.1" target="_blank">https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.tcplistener?view=netcore-3.1</a> ).As for the button press thing, you can probably create an event handler (<a href="https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.button.click?view=netframework-4.8" target="_blank">https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.button.click?view=netframework-4.8</a> ) to catch when the button is pressed and then call this code.</blockquote>

[QUOTE="BIOS, post: 462669, member: 15674"] I'd recommend avoiding Telnet as it is an old unencrypted protocol. You'd probably be better using something like UNIX (or regular TCP) sockets for this, depending on what you're trying to achieve. Is the host always on the local machine, or sometimes remote? You can use [URL='https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.tcpclient.connect?view=netcore-3.1']TcpClient.Connect[/URL] for that or [URL='https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.unixdomainsocketendpoint?view=netstandard-2.1']UnixDomainSocketEndPoint[/URL]. You'll need to create a listener on the server to read the incoming data (see example: [URL]https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.tcplistener?view=netcore-3.1[/URL] ). As for the button press thing, you can probably create an event handler ([URL]https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.button.click?view=netframework-4.8[/URL] ) to catch when the button is pressed and then call this code. [/QUOTE]

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