Feb 5, 2011 · The usual command line ping tool uses ICMP Echo, but it's true that other protocols can also be used, and they're useful in debugging different kinds of network problems. I can remember at least arping (for testing ARP requests) and tcping (which tries to establish a TCP connection and immediately closes it, it can be used to check if traffic reaches a certain port on a host) off the top of my ...

Mar 9, 2012 · Using TCP would allow you to verify a certain port/service is operating correctly on a host. While ping would just assure that the machine is responding. A ping also might be blocked by various firewall settings. It really will depend on your requirements on what your definition of "up" is for your project. Just responding, or my service hosted on port X is responding when I open communication.

Sep 21, 2012 · While both "ping" and TCP connections ultimately uses the IP protocol, they are often handled differently. It's not uncommon for a firewall to let ping messages through but stop other kind of traffic.

Mar 2, 2017 · I am using this part of code to ping an ip address in java but only pinging localhost is successful and for the other hosts the program says the host is unreachable. I disabled my firewall but still

I am trying to implement Mark Russinovich's SysInternals PsPing tool in C# to measure latencies using TCP ping. I am not sure how it makes the ping call (apparently not uses raw Window sockets, be...

Jan 6, 2022 · Navigate to Control Panel, System and Security and Windows Firewall. Select Advanced settings and highlight Inbound Rules in the left pane. Right click Inbound Rules and select New Rule. Add the port you need to open and click Next. Add the protocol (TCP or UDP) and the port number into the next window and click Next.

Jul 14, 2011 · I want to write a C or C++ program, that given an IP address, Pings it and then performs further action based on whether the Ping was successful or not. How to do this?

May 5, 2011 · You can't do ping in Java -- ping works at ICMP level which works on top of IP, whereas Java offers support for UDP (which sits on top of IP) and TCP (again on top of IP). It's basically a different (higher level) protocol for which you will need your own (native) library written in order to gain access to the IP stack.

May 23, 2012 · Nice, exactly what I was looking for, even if the tcp-ping include hasn't been updated in nearly a decade.

A TCP ping is performed on ISO/OSI layer 4. It just tries to connect to a TCP port in the most basic way, that it is not transmitting any data, but closing the connection immediately after connecting.