New answer, powershell TCP UDP Old answer, cmd (Add -n to stop it trying to resolve hostnames, which will make it a lot faster.) Note Dane’s recommendation for TCPView. It looks very useful! -a Displays all connections and listening ports. -b Displays the executable involved in creating each connection or listening port. In some cases well-known executables host multiple independent … Read more
This exception means that there is no service listening on the IP/port you are trying to connect to: You are trying to connect to the wrong IP/Host or port. You have not started your server. Your server is not listening for connections. On Windows servers, the listen backlog queue is full.
The short answer is “no”, there is not an easy or standard way to do this. What you are looking for would be a Bluetooth repeater. Bluetooth repeater devices do exist, but are proprietary, not standardized. For example, this one from a German solar power manufacture, specific to their devices. Usually, Bluetooth networks are a … Read more
Looks like you are hitting the limit on connections per server. I see you are loading a lot of static files and my advice is to separate them on subdomains and serve them directly with Nginx for example. Create a subdomain called img.yoursite.com and load all your images from there. Create a subdomain called scripts.yourdomain.com … Read more
This generally means that the remote side closed the connection (usually by sending a TCP/IP RST packet). If you’re working with a third-party application, the likely causes are: You are sending malformed data to the application (which could include sending an HTTPS request to an HTTP server) The network link between the client and server … Read more
Destination Host Unreachable This message indicates one of two problems: either the local system has no route to the desired destination, or a remote router reports that it has no route to the destination. If the message is simply “Destination Host Unreachable,” then there is no route from the local system, and the packets to … Read more
A TCP/IP connection is always made to an IP address (you can think of an IP-address as the address of a certain computer, even if that is not always the case) and a specific (logical, not physical) port on that address. Usually one port is coupled to a specific process or “service” on the target … Read more