How to Disable Ping Response in Linux

Ping is a software utility primarily used by the network administrators to check the reachability of a network host (target) from another host (source). It is also used to check the round trip delay, the time taken a network packet to travel from source to target and back. The round trip delay indicates the health … Continue reading “How to Disable Ping Response in Linux”

What is ARP and How does it work?

ARP stands for Address Resolution Protocol. It is used by the Internet Protocol (IP) to map IP network addresses (32 bit Logical Address) to the hardware addresses (48 bit Mac Address) used by a data link protocol. The protocol works below the network layer as a part of the interface between the OSI network and OSI link … Continue reading “What is ARP and How does it work?”

How to install Ping or Ping6 using YUM

yum install iputils Ping is a network administration utility tool to check reachability of network node (computer or router) from a computer where the command runs. It also gives the round trip time required for a network packet to travel from the source to destination and back. Network administrators use this utility almost every day. … Continue reading “How to install Ping or Ping6 using YUM”

How does Traceroute Work?

The network administrators use the tranceroute command very frequently to discover the path between two network nodes. Where the tranceroute command is running is the source node and destination node is specified in the command.

Destination can be IP address or domain name e.g. www.google.com. After successful run, the command lists down all intermediate … Continue reading “How does Traceroute Work?”

Capture Protocol Packets from Remote Windows or Linux Computer using Wireshark

Wireshark is a widely used networking tool to capture and analyze protocol packets from networking interfaces of local or remote computer. When two networking devices, like computer, mobile, printer etc, communicate with each other, they exchange information in form of data chunks, also known as protocol packets or messages. This is also true when we access some … Continue reading “Capture Protocol Packets from Remote Windows or Linux Computer using Wireshark”