Network File Systems, commonly known as NFS, is file-level storage, allocated by shared storage. The way you access local files, NFS allows you to access files in an analogous way as a remote host as well. NFS offers some extremely useful features. Data at the central host can be accessed by multiple clients Data consume […]
In this blog, we will see the importance of Threat Grid and what are the different types of interfaces in this appliance. Threat Grid (TG) is a Sandbox appliance that is very important for the network. Importance of Threat Grid (TG) A Cisco Threat Grid appliance provides safe and highly secure on-premises advanced malware analysis, […]
Do you know how CentOS/RHEL boots their operating system? If yes, it is very good but if not, it is sad news, because if you are Linux Administrator and you don’t have knowledge about how to operate the system boot you might lack behind in many ways. Well don’t worry, we have got you covered. […]
As we have learned in my previous blog about IGMP (Internet Group Management Protocol) version 1 and version2. Thisblog will cover IGMP version 3 how it is a better approach to use this version, and how IGMPv3 solves the Source authentic issue with the concept of Source-Specific Multicast (SSM). Terminology of IGMP Version 3 IGMPv3 uses Membership Report message as it is like use as the previous IGMP version 1 & version 2. IGMPv3 uses multicast address 224.0.0.22 on all enabledIGMPv3 multicast […]
Here we will discuss what is cloud computing in which we will be discussing about the foundation topics of cloud computing like what is cloud hype, the history about the foundation topics of cloud computing like what is cloud hype, the history about cloud computing, common cloud characteristics, on-demand self-service, rapid elasticity, resource pooling, etc. […]
As a Network Security Engineer, this is our responsibility to secure your organization’s data over the internet. Our goal is to give you detailed information about How your data would be protected over the internet and Which protocols and Frameworks will be used to protect your data. We already discussed IKev1 working with IPsec. In […]
What is IPsec? IPsec VPN (internet protocol security) is a protocol or method to encrypt the traffic between two branches or sites. It is used to secure the traffic over an untrusted network, and we can understand by its name that it provides security of INSIDE network IPs. It provides Confidentiality, Integrity, and Authentication over […]
In this blog, we will learn about VLAN Trunking Protocol generally called VTP. We will see why VTP came into existence and will discuss how it works and where it can be deployed. For understanding, we will take some examples. Before VLAN trunking protocol (VTP), for creation, addition, deletion, renaming of VLAN, we must go […]
Communication between two private networks is not possible as the ISP is not aware of the private IP and moreover ACL is created on the ISP side which denies the private network. However, we can make communication possible with GRE. What is GRE? It stands for Generic Router Encapsulation. GRE is a Layer 3 Protocol. […]
What is Phishing? Phishing, which sounds similar to fishing, is a type of cyber security attack. In this, the hacker sends messages pretending to be a trusted person or entity and then they launch their attack to steal the data or valuable information. A phishing message is sent out to manipulate the victim in a […]