What Is Nac? Network access control (NAC) is a solution that supports network visibility, access management through policy enforcement on devices and users of a corporate network. Why Do We Need Nac? In organizations now we have exponential growth of mobile devices and the endpoint that accessing their network and then they bring the security […]
What is SPAN? SPAN stands for switchport analyzer .it is also called port mirroring. To analyze network traffic passing through the port by using span. How do SPAN works? It will send a copy of the traffic to another port on the switch. Span monitors received or sent (both) traffic on one or more source […]
STP is a Layer 2 protocol that makes a loop-free network topology by blocking the redundant path. STP elects the root bridge, and it will decide which port will be in forwarding and blocking state. A switch that has the lowest bridge-id will become a root bridge. Priority is a decimal number, ranging from 0-65535. […]
It is called link aggregation. It is used to aggregate multiple physical links into a single logical link. That logical link is called a port channel. What are the requirements of Etherchannel? Duplex must match. The speed must match. Etherchannel standard must match. Trunk allowed VLAN list must match. Native VLAN must match. Tunk encapsulation […]
Introduction Hi guys, in this series of blogs we will talk about different FortiGate HA protocols. FortiGate has different HA protocols FGCP and FGSP. In this blog, we will understand more about FGSP protocol i.e FortiGate Session Life Support Protocol. FGSP was introduced in Fortios 5.0 and above to overcome the HA restrictions over asymmetric […]
Cryptography is the study of secure communication that allows the sender and recipient of a message to have highly secure and confidential to view its contents. The data is encrypted using a secret key, and then both the encoded message and secret key are sent to the recipient for decryption. What are the Objectives Of […]
What is Simple Network Management Protocol ? Simple Network Management Protocol (SNMP) is an application protocol that is used to manage the network devices on a public or private network, by using port numbers 161 & 162. The main perspective of SNMP is to provide network devices such as routers, servers, and printers with a […]
In the world of Network Security, we have the most expensive and advanced security devices which act as a strong defense and help to prevent cyberattacks. Nowadays, most of the network administrators are just fulfilling their duties with respect to their network configuration but still, some of them are smart because they use Layer 2 […]
Hello everyone, we are back with the second part on email security and will be continuing the next 5 email security practices that are to be followed. Before starting, let me share a story with you. My friend’s iPhone 12 got stolen (imagine the pain!). He went home and logged into his Apple id and […]
Cisco Video Surveillance Solution is a part of Cisco’s Connected Safety and Security solution portfolio. Cisco Video Surveillance solution is a smart surveillance solution from Cisco which can easily integrate with IP cameras, encoders, sensors, etc. from multiple leading OEMs. It also offers to apply analytical assessment of video feeds sent by cameras and then […]