How to check if a TCP socket is still connected in C?
15984
Why is it impossible, without attempting I/O, to detect that TCP socket was gracefully closed by peer?
77625
How to check for an active Internet connection on iOS or macOS?
39558
How to get my non-loopback network ip address in C?
67014
Find available network interfaces in C/C++?
154003
Socket.IO - how do I get a list of connected sockets/clients?
53486
How to catch a "connection reset by peer" error in C socket?
9367
Check if Internet Connection Exists with jQuery?
30621
How does tcp-keepalive work in ssh?
77876
How can you find out which process is listening on a TCP or UDP port on Windows?
121235
Get random port for UDP socket
151710
Determining the TCP port number to which client got bound
11092
How to tell which interface the socket received the message from?
25542
How to see the output of socket.html?
42131
How do I get amount of queued data for UDP socket?
78959
Write inside a socket open by another process in Linux
80352
How can I figure out if a packet is a TCP Keep-Alive?
27592
PHP - Can someone explain the pfsockopen function for me? (persistent socket)