Blocking Internet advertisements | HP Norton Personal Firewall 2003

Blocking Internet advertisements

Many Web sites are using more aggressive techniques to draw attention to the ads on their pages. Some have begun using larger, more prominent ads, while others rely on ad windows that appear when you enter or leave the site. Along with increasing the amount of time that it takes to display Web pages, some ads contain offensive content, cause software conflicts, or use HTML tricks to open additional browser windows.

Ad Blocking helps avoid these problems. When Ad Blocking is active,

Norton Personal Firewall transparently removes:

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Ad banners

Pop-up and pop-under ads

Macromedia Flash-based ads

How Ad Blocking works

Norton Personal Firewall detects and blocks ads based on two criteria: their dimensions and their locations.

Blocking by dimensions

Most online advertisers use one or more standard sizes for their ads. Norton Personal Firewall now includes the ability to block images, Flash animations, and other HTML elements that have the same dimensions as these common ad sizes.

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HP Norton Personal Firewall 2003 manual Blocking Internet advertisements, How Ad Blocking works, Blocking by dimensions

Contents

User’s Guide Norton Personal Firewall User’s Guide Symantec License and Warranty Disclaimer of Damages Contents Chapter Norton Personal Firewall basics Chapter Controlling access to protected computers Chapter Protecting your privacy Appendix Troubleshooting Norton Personal Firewall Contents To block and investigate an attack Responding to emergenciesIf you think your computer is under attack Action Description Recover from an emergency Prevent future problems Prevent future problems What’s new in Norton Personal Firewall About Norton Personal Firewall Norton Personal Firewall features About Norton Personal Firewall Norton Personal Firewall features include System requirements Installing Norton Personal Firewall Requirements Supported email clients Prepare your computer Before installationIf you’re using Windows XP Supported instant messenger clients To install Norton Personal Firewall Install Norton Personal FirewallTo disable the Windows XP firewall Install Norton Personal Firewall Click Next To register your software Register your softwareIf the opening screen does not appear Register your software Register your software Use the Security Assistant After installationSet up Home Networking Restart your computer To set up Home Networking Set up Program Control To set up Program Control Set up Privacy Control To set up Privacy Control Set up Password Protection To open Norton SystemWorks from Norton Personal Firewall If you have Norton SystemWorks installedTo protect Norton Personal Firewall options with a password To open Norton Personal Firewall from Norton SystemWorks To uninstall LiveReg and LiveUpdate If you need to uninstall Norton Personal FirewallTo uninstall Norton Personal Firewall Norton Personal Firewall basics Access Norton Personal FirewallTo access Norton Personal Firewall To use the Norton Personal Firewall system tray menu Access Norton Personal Firewall from the system tray Work with Norton Personal Firewall Access Norton Personal Firewall protection featuresTo change settings for individual features To view the Security Center Use the Security MonitorTo view the Security Monitor Learn more with the Alert Assistant Respond to Norton Personal Firewall alertsSelect a task with the Security Monitor To use the Alert Assistant Adjust the Alerting LevelTo adjust the Alerting Level To view or hide Alert Tracker Use Alert Tracker To hide Alert Tracker from the system tray menu Check your computer’s vulnerability to attackTo review recent Alert Tracker messages To move Alert Tracker To trace a connection attempt from the Log Viewer Identify the source of communicationsTo get more information about an at-risk area To trace a connection attempt from Statistics Stop Internet communication with Block Traffic About Firewall options About LiveUpdate optionsCustomize Norton Personal Firewall About General options About Email options Password-protect optionsAbout Web Content options To temporarily disable Norton Personal Firewall Temporarily disable Norton Personal FirewallReset options password To reset your Norton Personal Firewall options password Look up glossary terms Use online Help To disable a protection featureTo access Help For more information To read the Readme file To access window or dialog box HelpReadme file and Release Notes Window and dialog box Help To read the Release Notes To install Adobe Acrobat Reader To read the User’s Guide from your hard disk To access the Symantec Web site in your browserAbout Norton Personal Firewall on the Web Explore online tutorials To subscribe to the Symantec Security Response newsletter Subscribe to the Symantec Security Response newsletter About program updates Keeping current with LiveUpdate About your subscription About protection updates To request an update alert When you should updateIf you run LiveUpdate on an internal network Request an update alert To obtain updates from the Symantec Web site If you can’t use LiveUpdateObtain updates using LiveUpdate Set LiveUpdate to Interactive or Express mode To turn off Express mode Turn off Express modeTo set LiveUpdate to Interactive or Express mode Notify me To disable Automatic LiveUpdate Run LiveUpdate automatically Connect to a network Control how people use your computer Organize computers into network zones Enable file and printer sharingTo enable file and printer sharing To open the Home Network Wizard from the Security Monitor To open the Home Network Wizard from the Security Center To remove computers from zones Identify computers to Norton Personal FirewallTo manually add computers to zones To find an IP address with Winipcfg To find an IP address with IpconfigFind a computer’s IP address Specify an individual computer If you use Dhcp Specify computers using a network addressTo specify computers using a network address Specify a range of computers If multiple computers share a single Internet connection Control how users access the InternetControl how outside users access your network If you access the Internet via a cable or DSL router PGP If you run a Virtual Private Network Guarding against intrusion attempts Intrusion Detection analyzes communications Norton Personal Firewall monitors communications Visual Tracking locates attackers To change the Security Level slider Customize firewall protectionChange the Security Level slider To change individual security settings Change individual security settings Click Custom Level How firewall rules are processed Reset security settings to defaultsTo reset security settings to defaults Customize firewall rules Create new firewall rules Enable Automatic Program Control To enable Automatic Program Control Scan for Internet-enabled programs To add a program to Program Control Manually add a program to Program Control To change Program Control settings Change Program Control settings To add a Trojan Horse Rule Manually add a firewall ruleTo add a General Rule To write a firewall rule Write a firewall ruleTo add a Program Rule TCP UDP Select the ports the rule should monitor. Your options are Change an existing firewall rule Remove a firewall rule Temporarily disable a firewall ruleChange the order of firewall rules To remove a firewall rule Reset firewall rules to the default settingsCustomize Intrusion Detection Exclude specific network activity from being monitored To include attack signatures To unblock computers currently blocked by AutoBlock Enable or disable AutoBlockTo enable or disable AutoBlock Unblock computers To restrict a blocked computer Exclude computers from AutoBlockRestrict a blocked computer To exclude specific computers from AutoBlock Identify private information to protect Protecting your privacy To add private information Privacy Control and SSLAdd private information To modify or remove private information Customize Privacy ControlModify or remove private information Set the Privacy Level To set the Privacy Level Adjust individual Privacy Control settingsChange the Private Information setting To change the Private Information setting To change the Cookie Blocking setting Change the Cookie Blocking setting To enable or disable Browser Privacy Enable or disable Browser PrivacyDisable or enable secure Web connections How Ad Blocking works Blocking by dimensionsBlocking Internet advertisements Blocking by location Enable or disable Ad BlockingTo enable or disable Ad Blocking To enable or disable Popup Window Blocking Enable or disable Popup Window Blocking To use the Ad Trashcan Enable or disable Flash blockingTo enable or disable Flash blocking Use the Ad Trashcan Click Open the Ad Trashcan. The Ad Trashcan window appears Use text strings to identify ads to block or permit To add an Ad Blocking string How to identify Ad Blocking stringsAdd an Ad Blocking string To modify or remove an Ad Blocking string Modify or remove an Ad Blocking string Use text strings to identify ads to block or permit Monitoring Norton Personal Firewall To view the Statistics window View the Status & Settings windowTo view the Status & Settings window View the Statistics window Review detailed statistics Reset information in the Statistics windowTo reset information in the Statistics window To review detailed statistics Reset detailed statistics countersTo reset counters View Norton Personal Firewall Logs To view the logs View the logs Clear the logs Refresh the logs To change the size of a log Change the size of the logs To explore the Symantec service and support Web site Troubleshooting Norton Personal Firewall To search the Symantec service and support Web site Troubleshoot Norton Personal Firewall problemsWhat is wrong with this Web site? Why did an email message I sent never arrive? Why can’t I post information online? To make your NetBIOS name visible Why can’t I connect to the Internet via my cable modem? To allow ISP port scans How can a Web site get my browser information? Troubleshoot Norton Personal Firewall problems About the Internet How information is transmitted over the Internet 119 About Igmp How Web information is located on the InternetAbout UDP About Icmp Understanding URLs Requesting a How ports identify programs on servers How ports identify programs on servers Well-known ports How computers are identified on the Internet 124 About the Internet Process of a hacker attack Understanding Internet risksRisks from hackers Information gathering Privilege escalation Initial access Covering tracks Risks from active content Blocking site and newsgroup categories Risks from inappropriate content and activitiesRestricting access to programs Risks to your privacy Bad cookies Understanding cookiesBlocking cookies Good cookies Tracking Internet use Risks from Trojan horses and viruses Likelihood of being attacked Glossary Domain Download IP Internet Protocol IP address Internet Protocol address Network address Operating system Glossary Web Web site World Wide Web WWW Glossary Customer service Service and support solutions Support for old and dis versions Technical supportSubscription policy Service and support offices Worldwide service and support Service and support solutions Index Index Index Index Index 150 Index Norton Personal Firewall