logging in or signing up firewalls suryakusampudi Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 393 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: August 27, 2010 This Presentation is Public Favorites: 4 Presentation Description to pretend from virus to the system Comments Posting comment... Premium member Presentation Transcript A Seminar on Firewalls : A Seminar on Firewalls Agenda : Agenda Firewall Basics for the Beginning User Hardware and software firewalls Firewall rules Personal firewalls Examples Installation of firewalls What is a Firewall? : What is a Firewall? A firewall is hardware, software, or a combination of both that is used to prevent unauthorized programs or Internet users from accessing a private network and/or a single computer Hardware vs. Software Firewalls : Hardware vs. Software Firewalls Hardware Firewalls Protect an entire network Implemented on the router level Usually more expensive, harder to configure Software Firewalls Protect a single computer Usually less expensive, easier to configure How does a software firewall work? : How does a software firewall work? Inspects each individual “packet” of data as it arrives at either side of the firewall Inbound to or outbound from your computer Determines whether it should be allowed to pass through or if it should be blocked Firewall Rules : Firewall Rules Allow – traffic that flows automatically because it has been deemed as “safe” (Ex. Meeting Maker, Eudora, etc.) Block – traffic that is blocked because it has been deemed dangerous to your computer Ask – asks the user whether or not the traffic is allowed to pass through What a personal firewall can do : What a personal firewall can do Stop hackers from accessing your computer Protects your personal information Blocks “pop up” ads and certain cookies Determines which programs can access the Internet What a personal firewall cannot do : What a personal firewall cannot do Cannot prevent e-mail viruses Only an antivirus product with updated definitions can prevent e-mail viruses After setting it initially, you can forget about it The firewall will require periodic updates to the rulesets and the software itself Examples of personal firewall software : Examples of personal firewall software ZoneAlarm <www.zonelabs.com> BlackICE Defender <http://blackice.iss.net> Tiny Personal Firewall <www.tinysoftware.com> Norton Personal Firewall <www.symantec.com> Windows XP Firewall : Windows XP Firewall Currently *not* enabled by default Enable under Start -> Settings -> Control Panel Select Local Area Connection Select the Properties button Click the “Advanced” tab Windows XP firewall : Windows XP firewall Updates to Windows XP Firewall : Updates to Windows XP Firewall *Will* be enabled in default installations of Windows XP Service Pack 2 Ports will be closed except when they are in use Improved user interface for easier configuration Improved application compatibility when firewall is enabled Mac OS X firewall : Mac OS X firewall *Not* enabled by default Enable under System Preferences Select Sharing Click “Firewall” tab Click “Start” button Mac OS X firewall : Mac OS X firewall You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
firewalls suryakusampudi Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 393 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: August 27, 2010 This Presentation is Public Favorites: 4 Presentation Description to pretend from virus to the system Comments Posting comment... Premium member Presentation Transcript A Seminar on Firewalls : A Seminar on Firewalls Agenda : Agenda Firewall Basics for the Beginning User Hardware and software firewalls Firewall rules Personal firewalls Examples Installation of firewalls What is a Firewall? : What is a Firewall? A firewall is hardware, software, or a combination of both that is used to prevent unauthorized programs or Internet users from accessing a private network and/or a single computer Hardware vs. Software Firewalls : Hardware vs. Software Firewalls Hardware Firewalls Protect an entire network Implemented on the router level Usually more expensive, harder to configure Software Firewalls Protect a single computer Usually less expensive, easier to configure How does a software firewall work? : How does a software firewall work? Inspects each individual “packet” of data as it arrives at either side of the firewall Inbound to or outbound from your computer Determines whether it should be allowed to pass through or if it should be blocked Firewall Rules : Firewall Rules Allow – traffic that flows automatically because it has been deemed as “safe” (Ex. Meeting Maker, Eudora, etc.) Block – traffic that is blocked because it has been deemed dangerous to your computer Ask – asks the user whether or not the traffic is allowed to pass through What a personal firewall can do : What a personal firewall can do Stop hackers from accessing your computer Protects your personal information Blocks “pop up” ads and certain cookies Determines which programs can access the Internet What a personal firewall cannot do : What a personal firewall cannot do Cannot prevent e-mail viruses Only an antivirus product with updated definitions can prevent e-mail viruses After setting it initially, you can forget about it The firewall will require periodic updates to the rulesets and the software itself Examples of personal firewall software : Examples of personal firewall software ZoneAlarm <www.zonelabs.com> BlackICE Defender <http://blackice.iss.net> Tiny Personal Firewall <www.tinysoftware.com> Norton Personal Firewall <www.symantec.com> Windows XP Firewall : Windows XP Firewall Currently *not* enabled by default Enable under Start -> Settings -> Control Panel Select Local Area Connection Select the Properties button Click the “Advanced” tab Windows XP firewall : Windows XP firewall Updates to Windows XP Firewall : Updates to Windows XP Firewall *Will* be enabled in default installations of Windows XP Service Pack 2 Ports will be closed except when they are in use Improved user interface for easier configuration Improved application compatibility when firewall is enabled Mac OS X firewall : Mac OS X firewall *Not* enabled by default Enable under System Preferences Select Sharing Click “Firewall” tab Click “Start” button Mac OS X firewall : Mac OS X firewall