Firewall presentation

Firewall presentation

• 2.
  Content:  Define whatis firewall ?  Why Need of firewall?  Types of firewall  Types of firewall techniques
• 3.
   What isFirewall? Firewall is device that provides secure connectivity between networks(internal/external)
• 4.
   Why NeedFirewall? • To protect confidential information from those who do not explicitly need to access it. • To protect our network & its resources from malicious users & accidents that originate outside of our network.
• 5.
   Types OfFirewall Hardware firewall Software firewall
• 6.
   Hardware Firewall •It is a physical device. • It can be installed between the modem and computer. • Protect an entire network. • Usually more expensive, header to configure
• 7.
   Software Firewall •It is a software application. • Protect a single computer. • This is usually the computer with modem attached to it. • Usually less expensive, easier to configure
• 8.
   Types OfFirewall Techniques  Packet filter  Application gateway/proxy server/proxy application gateway Circuit-level gateway Bastion host