Kaspersky Internet Security 2012

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U S E R G U I D E The Firewall analyzes the settings of the networks to which you connect your computer. If the application is running in the interactive mode, the Firewall, when first connected, asks you for the status of the connected network (see page 196). If interactive mode is disabled, the Firewall defines the status based on the network type, ranges of addresses and other specifications. If necessary, you can change the status (see page 110) of a network connection manually. IN THIS SECTION: Enabling and disabling the Firewall ............................................................................................................................... 110 Changing the network status ......................................................................................................................................... 110 Working with Firewall rules ............................................................................................................................................ 110 Configuring notifications of changes in the network ...................................................................................................... 113 Advanced Firewall settings ............................................................................................................................................ 113 ENABLING AND DISABLING THE FIREWALL By default, the Firewall is enabled, running in a mode recommended by <strong>Kaspersky</strong> Lab specialists. If necessary, you can disable the Firewall. To disable the Firewall: 1. Open the application settings window. 2. In the left part of the window, in the Protection Center section, select the Firewall component. 3. In the right part of the window, uncheck the Enable Firewall box. CHANGING THE NETWORK STATUS The network connection status affects the set of rules used to filter network activity for that connection. You can change the network status, if necessary. To change the network connection status: 1. Open the application settings window. 2. In the left part of the window, in the Protection Center section, select the Firewall component. 3. In the right part of the window, in the Networks list, select a network connection and click the Edit button to open the network settings window. 4. In the window that opens, select the desired status from the drop-down list on the Properties tab. WORKING WITH FIREWALL RULES The Firewall operates on the basis of two types of rules: Packet rules. These are used for posing restrictions on packets, regardless of the application. Typically, such rules restrict incoming network activity on specified TCP and UDP ports and filter ICMP messages. Application rules. These are used to set limits on the network activity of a particular application. Such rules allow fine-tuning of activity filtering, for example, when a certain type of network connection is prohibited for some applications but allowed for others. 110
A D V A N C E D A P P L I C A T I O N S E T T I N G S Packet rules have higher priority than application rules. If both packet rules and application rules are applied to the same type of network activity, this network activity is processed using the packet rules. You can also set a priority for each rule (see page 112). C R E A T I N G A P A C K E T R U L E Packet rules consist of a set of conditions and operations performed with regard to packets when these conditions are met. When creating packet rules, remember that they have priority over the rules for applications. To create a packet rule: 1. Open the application settings window. 2. In the left part of the window, in the Protection Center section, select the Firewall component. 3. Click the Settings button in the right part of the window. 4. In the window that opens, on the Packet rules tab, click the Add button. 5. In the Network rule window that opens, specify the desired settings and click the OK button. 6. Assign a priority to the new rule by using the Move up and Move down buttons to move it up or down the list. E D I T I N G G R O U P R U L E S Similarly to the Application Control (on page 101) component, by default the Firewall filters an application's network activity using the rules of the group in which this application has been placed. The network rules of a group define which access rights to various networks can be granted to the applications that have been included in the group. You can add new network rules for a group or edit the preset ones. To add a network rule for a group: 1. Open the application settings window. 2. In the left part of the window, in the Protection Center section, select the Firewall component. 3. Click the Settings button in the right part of the window. 4. In the window that opens, on the Application rules tab, select the desired group from the list and click the Edit button. 5. In the Group rules window that opens, select the Network rules tab and click the Add button. 6. In the Network rule window that opens, specify the desired settings and click the OK button. 7. Assign a priority to the new rule by using the Move up and Move down buttons to move it up or down the list. To change a network rule for a group: 1. Open the application settings window. 2. In the left part of the window, in the Protection Center section, select the Firewall component. 3. Click the Settings button in the right part of the window. 4. In the window that opens, on the Application rules tab, select the desired group from the list and click the Edit button. 111
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Kaspersky Internet Security 2012 Us
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CONTENT ABOUT THIS GUIDE ..........
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C O N T E N T ADVANCED APPLICATION
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C O N T E N T Viewing reports of a
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ABOUT THIS GUIDE Greetings from Kas
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A B O U T T H I S G U I D E DOCUMEN
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S O U R C E S O F I N F O R M A T I
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K A S P E R S K Y I N T E R N E T S
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INSTALLING AND REMOVING THE APPLICA
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I N S T A L L I N G A N D R E M O V
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I N S T A L L I NG A N D R E M O V
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LICENSING THE APPLICATION This sect
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APPLICATION INTERFACE This section
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MANAGING THE COMPUTER PROTECTION Th
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SOLVING TYPICAL TASKS This section
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S O L V I N G T Y P I C A L T A S K
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T E S T I N G T H E A P P L I C A T
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C O N T A C T I N G T H E T E C H N
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C O N T A C T I N G T H E T E C H N
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A P P E N D I X STATISTICS HELP SCA
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A P P E N D I X RTP FW HIPS pdm FM
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A P P E N D I X - this parameter d
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A P P E N D I X Update the Kaspersk
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A P P E N D I X RETURN CODES OF THE
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A P P E N D I X The notification pr
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A PPEND I X UNRELIABLE CERTIFICATE
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A P P E N D I X Update databases be
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A P P E N D I X The status of a fil
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A P P E N D I X To apply the select
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A P P E N D I X You can select one
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A P P E N D I X You can select one
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G L O S S A R Y B L O C K I N G A N
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G L O S S A R Y H E A D E R The inf
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G L O S S A R Y R O O T K I T An ap
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KASPERSKY LAB ZAO Kaspersky Lab sof
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INDEX A Anti-Banner list of blocked
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I N D E X notification types ......
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Kaspersky Internet Security 2012

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