vasraka.blogg.se - Server ping tool

#Server ping tool how to
#Server ping tool install

There is actually a network connection issue between you and the server in question.

A firewall is blocking the incoming traffic on the specific port.

There are no services listening to the port so there is nothing that will respond.

There could be a few possible reasons why I port may not respond. Why there is no response from the port?Īll the examples I showed so far had a successful response.

You can close the connection using the keyboard shortcut Ctrl+] or simply press Ctrl+C. If it’s successful, you should see an output like this: telnet 443

Once you have Telnet, you can use it to connect to a specific port of a remote system.

#Server ping tool install

On Debian/Ubuntu, you can use this command to install Telnet: sudo apt install telnet Telnet is a remote connection tool similar to SSH however SSH is more secure by design than Telnet.īefore using Telnet, you should make sure that it is installed. Using telnet to ping a specific port on remote server If you want to specifically ping the TCP port, you can specify that as well: nmap -p 443 -sT įor UDP port, you can use nmap -p 443 -sU The output remains the same as the previous command. You may also use the port name instead of the port number: nmap -p https Nmap done: 1 IP address (1 host up) scanned in 4.49 seconds The output will provide information on each individual port: Starting Nmap 7.60 ( ) at 10:48 IST For example, you can provide a range of port numbers like this: nmap -p 80-88 If you want to scan more than one ports, you can do that as well. Nmap done: 1 IP address (1 host up) scanned in 10.35 secondsĪs you can see in the output, the server is up and it responded that the port number 443 of type TCP is open. The output will be something like this: Starting Nmap 7.60 ( ) at 10:40 IST Once you have made sure that you have Nmap installed, you can use it in the following manner to ping a port: nmap -p 443 On Debian/Ubuntu based distributions, you can use the command below to install Nmap.

#Server ping tool how to

While you can do a lot with Nmap, I’ll show you how to use it for pinging a specific port.īut first, make sure that you have Nmap installed on your system. Let me show you a couple of such tools and how to use them for pinging a given port number. However, there are other tools that allows you to ping specific TCP or UDP ports. You cannot do that with the ping command. So how do you ping a specific port number of the remote server? Ping is based on ICMP, not TCP or UDP and ICMP protocol doesn’t have port numbers. You just use the command ping together with the IP or URL of the remote server. Ping is probably the most used tool for checking the network connection to a remote system.