Aug 11, 2019
To open telnet, click “Go” > “Utilities” > "Terminal", then run the following command (the numbers are example IP address and port): telnet [domainname or ip] [port], e.g.>telnet 192.168.1.1 443. When a computer port is open a blank screen will show up, meaning that the connection has been successful. How to ping and test for a specific port from Linux or Feb 18, 2019 Check If a Remote Network Port Is Open Using Command Line
Jan 14, 2020
The Test-NetConnection cmdlet displays diagnostic information for a connection. It supports ping test, TCP test, route tracing, and route selection diagnostics. Depending on the input parameters, the output can include the DNS lookup results, a list of IP interfaces, IPsec rules, route/source address selection results, and/or confirmation of connection establishment. Port 443 (tcp/udp) :: SpeedGuide 24 rows
OK, here’s the problem… you want to test a website by sending custom headers, but the website uses https. You want to use telnet to test SSL. Normally you’d just telnet to port 80 like so: telnet www.somesite 80 GET /index.html HTTP/1.1 Host: www.somesite (Note you …
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