Firewalls. by Taras Tyrsa , IO-63. Contents. What is firewall? Functions of firewalls Types of firewalls How does it work? Myths about firewalls. What is firewall?. Functions of firewalls. Blocking incoming traffic depending on source Blocking based on website content
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Firewalls by TarasTyrsa, IO-63
Contents • What is firewall? • Functions of firewalls • Types of firewalls • How does it work? • Myths about firewalls.
Functions of firewalls • Blocking incoming traffic depending on source • Blocking based on website content • Allocating internal resources • Blocking selected outgoing traffic • Making reports on all network traffic, network activity etc.
Types of firewalls • packet filter • application gateway • circuit-level gateway • proxy server
Types of firewalls • Hardware • Software
Myths about firewalls • Myth 1: A firewall is always hardware
Myths about firewalls • Myth 2: A firewall can protect you from all possible threats
Myths about firewalls • Myth 3: A firewall protects all possible Information Exchange
Myths about firewalls • Myth 4: Even if a threat is completely new, a firewall can still protect you against it
Myths about firewalls • Myth 5: A firewall is enough, who needs an anti-virus program?