Skip to main content

Firewall


Firewall protects the network from external threats using variety of methods.

A firewall a network security system which monitors incoming & outgoing traffic & decides whether to allow or deny traffic based on the security rules.

Methods of Firewall.
  1. Port Filtering
  2. MAC Filtering
  3. IP Filtering
  4. Content Filtering
  5. Dynamic Filtering

Comments

Post a Comment

Popular posts from this blog

DHCP

DHCP Dynamic Host Configuration Protocol is used assign IP addresses to the devices to enter to a Network.This configuration will be done automatically without manual involvement. The early stage of networking,the user had the ability to manually assign IP addresses to their devices.But the modern world cannot work like that due to the no of devices in play. So DHCP automates this process to make it easier & quicker . The DHCP servers or routers handle this process according to set of predefined rules. Usually the router act as a DHCP server in homes & in some small business.But in large network a computer will act as a DHCP server. The DHCP Server automatically assigns the below to a device. IP Address Subnet Mask Default Gateway DNS Server
Post a Comment
Read more

Blue Light Emitting Function in WIN 10

All our computer, mobile,television devices emit blue light, which really have a negative impact on our  sleep.Some mobiles do have the blue light filtering & Windows 10 has an inbuilt functionality to use warmer colors to prevent this issue. https://www.bing.com/search?q=set+up+night+light+in+windows+10+site:microsoft.com&filters=guid:%224027563-en-dia%22%20lang:%22en%22&form=B00032&ocid=SettingsTips-BingIA The above URL will provide further information on how to activate this feature in Windows 10
Post a Comment
Read more

Active Directory , Domain

Active Directory Active directory is a service created by Microsoft for the Domain Networks. This service is to manage permissions & access to to networked resources. Active Directory Domain services (AD DS) is one of the main service , which stores directory information & manages the interaction between user & domain. Ad has user accounts, host names & group policies.user accounts are used to login to computers will be connected to this domain. The group policies used to apply different access & permissions to all the computers or users are on this domain. What is a Domain ? Domain is computer network that has user accounts, group policies,computers & printers. All the computers on a network connected to a domain which we used to login to & it considered as the centralized location for each component. In the terms of networking, a domain has user group, devices, workstations, printers,database servers & computers that share various ...
Post a Comment
Read more