Dig Command in Linux: A Comprehensive Guide to DNS Queries
The dig command, which stands for Domain Information Groper, is a powerful and versatile command-line utility for querying Domain Name…
Exploring DNS Port with Examples
DNS port is confusing for many people. In this article, we’ll describe how DNS works, and what DNS port numbers…
Understanding TCP Connection with Examples
TCP is defined as a connection-oriented and reliable protocol. We will check out how TCP connection works in this article.…
TCP vs UDP – 10 Differences between TCP and UDP
TCP vs UDP – Acronym TCP vs UDP – Connection TCP vs UDP – Protocols TCP vs UDP…
Understanding TCP Sequence Number with Examples
TCP Sequence Number is a 4-byte field in the TCP header that indicates the first byte of the outgoing segment.…
Understanding TCP Socket With Examples
TCP socket is a fundamental concept in the operation of TCP/IP application world. We will deep dive into the details…
Tcpdump: Filter UDP Packets
tcpdump is a powerful command-line network packet analyzer used for network troubleshooting and analysis. To capture UDP packets using tcpdump,…
Tcpdump: Filter Packets By Port
Tcpdump is a CLI tool to capture raw network packets. It is very useful for various forms of network troubleshooting.…
Understanding Portmap with NFSv3 and Port 111
Portmap is a service that converts RPC program numbers into protocol port numbers. It must be running in order to…
Understanding Rpcbind and RPC and Port 111
The rpcbind is a utility that converts RPC program numbers into universal addresses. It must be running on the host…