4 ms·
Ping has confounding factors as well (firewall blocks, DNS, etc). If it works then you know that it's IP reachable, reachable on that TCP port, and that there's
by Programmatic 10y ago
Ping has confounding factors as well (firewall blocks, DNS, etc). If it works then you know that it's IP reachable, reachable on that TCP port, and that there's a responsive daemon on the other end. If it doesn't, you know that you need to troubleshoot. A device could not ICMP echo request ping, but respond to httping. Neither is perfect.