Click Custom Level | HP Norton Personal Firewall 2003 guide

74Guarding against intrusion attempts

Customize firewall protection

3Click Custom Level.

4Do one or more of the following:

2 On the Personal Firewall menu, select a level. Your options are:

High

Medium

None

Blocks all communication that you do not specifically allow. You must create firewall rules for every program that requests Internet access.

Blocks many ports that are used by harmful programs. However, it can also block useful programs when they use the same ports.

Disables Norton Personal Firewall and allows all Internet communications.

2On the Java Applet Security or ActiveX Control Security menu, select a level. Your options are:

High

Medium

None

Blocks your browser from running any Java applets or ActiveX controls over the Internet. This is the safest, but most inconvenient, option. Some Web sites might not operate properly using this setting.

Prompts you when Java applets and ActiveX controls are encountered. This lets you temporarily or permanently allow or block each Java applet or ActiveX control that you encounter. It can be bothersome to respond every time that you encounter a Java applet or ActiveX control, but it lets you decide which ones to run.

Lets Java applets and ActiveX controls run whenever you encounter them.

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HP Norton Personal Firewall 2003 manual Click Custom Level

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