How to ping and test for a specific port from Linux or Unix ... - nixCraft
https://www.cyberciti.biz/faq/ping-test-a-specific-port-of-machine-ip-address-using-linux-unix/
WebMay 23, 2017 · You use the ping command to send ICMP ECHO_REQUEST packets to network computers, routers, switches and more. ping works with both IPv4 and IPv6. Ping is using ICMP protcol. The ping command can not be used to ping a specific port. However, use any one of the following command to see if a port is open or not as follows:
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