Tcp Udp | HP Norton Personal Firewall 2003 specification

82Guarding against intrusion attempts

Customize firewall rules

4Select the type of connection the rule should monitor. Your options are:

Connections to other computers

Connections from other computers

Connections to and from other computers

The rule applies to outbound connections from your computer to another computer.

The rule applies to inbound connections from another computer to your computer.

The rule applies to both inbound and outbound connections.

5Click Next.

6Select the computers the rule should monitor. Your options are:

Any computer

Only computers specified below

Adapters

The rule applies to all computers.

The rule applies only to the computers, sites, and domains listed.

The rule applies to a specific network adapter in your computer. This allows you to customize firewall rules for each of your computer’s IP addresses. For example, if your computer is connected to a home network and to the Internet, you might want to set up a rule that permits file sharing on the home network, while another rule blocks file sharing over the Internet.

7Click Next.

8Select the protocols the rule should monitor. Your options are:

TCP

UDP

TCP and UDP

ICMP

The rule applies to TCP (Transmission Control Protocol) communications.

The rule applies to UDP (User Datagram Protocol) communications.

The rule applies to both TCP and UDP communications.

The rule applies to ICMP (Internet Control Message Protocol) communications. This option is only available when adding or modifying a General Rule.

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HP Norton Personal Firewall 2003 manual Tcp Udp

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 If you think your computer is under attack Responding to emergenciesTo block and investigate an 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 disable the Windows XP firewall Install Norton Personal FirewallTo install Norton Personal Firewall Install Norton Personal Firewall Click Next If the opening screen does not appear Register your softwareTo register your software 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 Norton Personal Firewall If you need to uninstall Norton Personal FirewallTo uninstall LiveReg and LiveUpdate To access Norton Personal Firewall Access Norton Personal FirewallNorton Personal Firewall basics Access Norton Personal Firewall from the system tray To use the Norton Personal Firewall system tray menu To change settings for individual features Access Norton Personal Firewall protection featuresWork with Norton Personal Firewall To view the Security Monitor Use the Security MonitorTo view the Security Center Select a task with the Security Monitor Respond to Norton Personal Firewall alertsLearn more with the Alert Assistant To adjust the Alerting Level Adjust the Alerting LevelTo use the Alert Assistant 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 Web Content options Password-protect optionsAbout Email 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 set LiveUpdate to Interactive or Express mode Turn off Express modeTo turn off Express mode Notify me To disable Automatic LiveUpdate Run LiveUpdate automatically Control how people use your computer Connect to a network To enable file and printer sharing Enable file and printer sharingOrganize computers into network zones To open the Home Network Wizard from the Security Center To open the Home Network Wizard from the Security Monitor To manually add computers to zones Identify computers to Norton Personal FirewallTo remove computers from 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 Change the Security Level slider Customize firewall protectionTo change 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 General Rule Manually add a firewall ruleTo add a Trojan Horse Rule To add a Program Rule Write a firewall ruleTo write a firewall rule TCP UDP Change an existing firewall rule Select the ports the rule should monitor. Your options are Change the order of firewall rules Temporarily disable a firewall ruleRemove a firewall rule 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 Add private information Privacy Control and SSLTo add 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 Disable or enable secure Web connections Enable or disable Browser PrivacyTo enable or disable Browser Privacy Blocking Internet advertisements Blocking by dimensionsHow Ad Blocking works To enable or disable Ad Blocking Enable or disable Ad BlockingBlocking by location 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 Add an Ad Blocking string How to identify Ad Blocking stringsTo add 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 To reset information in the Statistics window Reset information in the Statistics windowReview detailed statistics To reset counters Reset detailed statistics countersTo review detailed statistics 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 What is wrong with this Web site? Troubleshoot Norton Personal Firewall problemsTo search the Symantec service and support 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 Risks from hackers Understanding Internet risksProcess of a hacker attack 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 Subscription policy Technical supportSupport for old and dis versions Worldwide service and support Service and support offices Service and support solutions Index Index Index Index Index 150 Index Norton Personal Firewall