![]() ![]() You’ll need sudo rights to run this option with zero interval. It’s called ping flooding and it can be achieved with the -f option. The ping command has built-in ‘feature’ for this. If the server is not well configured, it will crumble in handling the ping request and the website will go down. In this kind of attack, the attacker sends a large number of ping request in a very short span of time. ![]() One of the simplest DoS attack is the Ping of Death. This can be changed as well with the help of -s command. The default ICMP packet size sent by Ping is 56 bytes. But to do that, you need to use the ping with root privileges. You can still ping with an interval less than 200 ms. Ping: cannot flood minimal interval allowed for user is 200msĭon’t worry. However, if you try to decrease the time interval below 0.2 seconds (200 ms), you’ll see an error: ping -i 0.1 31.13.90.36 You can decrease the time interval between pings as well. To send the ICMP packets with an interval of 3 seconds, you can use Ping command like this: ping -i 3 31.13.90.36 You can change this time interval with the -i option. Rtt min/avg/max/mdev = 320.634/385.993/472.056/57.309 ms Change the time interval between two pingsīy default, ping sends the packets at an interval of one second. Rtt min/avg/max/mdev = 315.208/369.190/423.172/53.982 ms Send ping only for a limited timeĪpart from setting the number of packets to send, you can also set for how long the packets will be sent.įor example, if you want to send ping packets for only 5 seconds, you can use it like this: ping -w 5 With this, you can specify the number of packets the ping command should send before stopping automatically. If you don’t want the ping command to run forever without manually stopping it, you can use the -c option. Now that you know how to ping in Linux, let’s see some of the other ping command options. You can see stats like the number of ICMP packets transmitted, received packets, lost packets etc. When you stop the ping command, it presents you with a summary of the transmission. You can use the Ctrl+C terminal shortcut to stop the ping command in Linux, as I did in the above example. You have to manually stop the ping command else it will keep on running. It will send ICMP packets of size 56 bytes to. Once you have it available on your system, you can use ping command with either the IP address or the hostname/URL. To install Ping on Ubuntu or other such systems, you'll have to install the iputils-ping package. But it may not be available in containers. Most Linux distributions come with this command. Did you know? Ping command is correctly written as PING and it stands for Packet Internet Groper.
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