Network Communications Protocols For Cyber Security: The Facts
Simply having a wired or wireless physical connection between end devices is not enough to…
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Simply having a wired or wireless physical connection between end devices is not enough to…
Knowing the OSI reference model and the TCP/IP protocol model will come in handy when…
In my previous article, I have talked much about how data travels across the network.…
If your network is using the IPv4 communications protocol, the Address Resolution Protocol, or ARP,…
Application layer programs generate data that must be exchanged between the source and destination hosts.…
You already know the fundamentals of TCP. Understanding the role of port numbers will help…
The Dynamic Host Configuration Protocol (DHCP) for IPv4 service automates the assignment of IPv4 addresses,…
The webservers that we so often connect to using names like www⋅cisco⋅com, are actually reached…
The network devices that people are most familiar with are end devices. To distinguish…
Now that the router has determined the best path for a packet based on the…
When it comes to general security breaches, home networks are the most susceptible to attacks.…
IP was designed as a Layer 3 connectionless protocol. It provides the necessary functions to…
In this article, I want to look at common network security monitoring tools in…
“All networks are targets” is a common adage used to describe the current landscape of…
A Denial of Service (DoS) attack creates some sort of interruption of network services to…
Reconnaissance is information gathering. It is analogous to a thief surveying a neighbourhood by…
Ethical hacking involves using many different types of tools to test the network and end…
In my previous article, I talked about how online shopping has made life easy…
In my previous article, I have talked about some of the facts that you…
Hosts broadcast an ARP Request to other hosts on the network segment to determine…