Intrusion Defense Firewall 1.2 User's Guide - Trend Micro? Online ...

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Packet Processing Sequence Both incoming and outgoing network traffic gets fed through a pipeline of modules: Verification: Basic checks for validity of the packet Micro Filter: Basic firewall bypass rules are enforced at this layer Blacklist: Maintains a list of known bad IPs as used by the Traffic Analysis feature Fragmentation: Fragments packets that are larger than the MTU Firewall Rules : All packets not processed by the Micro Filter are processed by the Firewall Stateful Inspection, SSL Decryption, and DPI Rules: Acts as one module where the following functions are performed: o Stateful Inspection: Maintains known connections that are valid for a response. This feature also controls the connection limits and does SYN Flood and ACK Storm protection o SSL Decryption: If required and configured this feature decrypts the SSL protected traffic for analysis by the DPI engine o DPI: Deep Packet Inspection engine that does pattern matching and custom code operations Reassembly: Reassembles fragmented packets for later use by the DPI engine Although incoming and outgoing traffic flow through the pipeline in the same order, the internal sub-order inside the Stateful Inspection, SSL, and DPI module depends on traffic direction: © Copyright 2010 Trend Micro Inc. www.trendmicro.com All rights reserved. - 142 -
Required Ports A number of ports must be accessible for the IDF Server Plug-in and the Client Plug-ins to function as expected. The following is a list of the ports used, the description of the function for which the port is used, the related protocols, the application which initializes the connection, the application to which the connection is made, whether the use of a proxy is possible (and what type of proxy), and whether and where the port can be configured: Port: 4118 Use: Server Plug-in to Client Plug-in communication Protocol: TCP Initiated By: IDF Server Connected To: DSA Proxy: No Configuration: This port is not configurable (please contact your support provider if this port assignment is problematic.) Port: 4119 (default) Use: Access to IDF Server remotely Protocol: TCP Initiated By: Web Browser Connected To: IDF Server Proxy: No Configuration: This port is configured during the IDF Server installation process Port: 4120 (default) Use: Client Plug-in to Server Plug-in communication Protocol: TCP Initiated By: DSA Connected To: IDF Server Proxy: No Configuration: This port is configured during the IDF Server installation process Port: 514 (default) Use: Syslog Protocol: UDP Initiated By: DSA Connected To: Syslog facility Proxy: No Configuration: This port can be configured in the IDF Server Settings section © Copyright 2010 Trend Micro Inc. www.trendmicro.com All rights reserved. - 143 -
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Intrusion Defense Firewall 1.2 for
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Table Of Contents Introduction ....
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Introduction © Copyright 2010 Tren
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DPI (Deep Packet Inspection) Rules
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Server Plug-in Interface © Copyrig
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Task Pane Clicking an element in th
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Shortcut Menus Many of the IDF Serv
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Click Add/Remove Widgets... at the
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Reports IDF Server Plug-in produces
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Note that if you apply other settin
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The Computer's status will be displ
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Computer Details The Computer's Det
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Alerts Alerts are displayed the sam
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Security Profiles Security Profiles
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Firewall (Events, Rules, and Statef
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Firewall The information box will t
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Interface: The MAC address of the i
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Firewall Rules Firewall Rules exami
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Options Alert Select whether or not
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TCP The Firewall Rule engine, by de
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The ICMP (pseudo-)stateful mechanis
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DPI Events By default, the IDF Serv
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DPI Rules Whereas Firewall Rules an
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you which rule on which Computer(s)
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Components IP Lists Reusable lists
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MAC Lists Use the MAC Lists section
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Contexts Contexts are a powerful wa
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Schedules Schedules are used by var
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System Events The System Event log
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System Settings The System > System
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example, your network has no DNS an
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Firewall and DPI Network Engine Mod
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ESTABLISHED Timeout: How long to st
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Interface Isolation Interface Isola
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Analysis The Analysis screen allows
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Notifications Alert Notification (f
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System Alert Configuration View Ale
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Backup Perform regular database bac
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Updates Security Updates Security U
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How To... Customize the Dashboard H
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Configure Alerts There are just ove
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3. In the "Direction of IDF Server
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Set Up Email Alerts IDF Server Plug
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3. Start the " Intrusion Defense Fi
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Configure Logging By default, IDF S
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Configure Port Scan Settings The ID
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click it to view its Details window
Page 95 and 96: Interface Information IP Informatio
Page 97 and 98: System Event Log Format System Even
Page 99 and 100: Backup and Restore IDF Intrusion De
Page 101 and 102: CALL sqlcmd -S localhost\IDF -E -v
Page 103 and 104: Upgrade the Server Plug-in The Offi
Page 105 and 106: Manually Uninstall a Client Plug-in
Page 107 and 108: #Wed Jun 11 16:19:19 EDT 2008 datab
Page 109 and 110: Migrate a Single Managed Computer t
Page 111 and 112: counter3s counter3ports counter3ips
Page 113 and 114: Reference © Copyright 2010 Trend M
Page 115 and 116: managed Computer and the wizard wou
Page 117 and 118: The Inherit checkbox determines whe
Page 119 and 120: 4. In the Properties window, click
Page 121 and 122: 8. The final step in the Firewall s
Page 123 and 124: Click OK when you're done. Apply th
Page 125 and 126: Firewall IP Activity (Prevented) Fi
Page 127 and 128: The FORCE ALLOW rule can be placed
Page 129 and 130: 1. First enable stateful inspection
Page 131 and 132: Tap Mode IPv6 Packet Max Incoming C
Page 133 and 134: 3602 Windows Service Error 3603 Fil
Page 135 and 136: Creating and Applying New Firewall
Page 137 and 138: Creating Custom DPI Rules Trend Mic
Page 139 and 140: Memory Allocation Error Out Of Orde
Page 141 and 142: Firewall Events CE Flags Event Note
Page 143 and 144: Inheritance and Overrides Settings
Page 145: In the Properties window for this F
Page 149 and 150: Firewall Rule Sequence Packets arri
Page 151 and 152: 191 Alert Changed 192 Alert Ended 1
Page 153 and 154: 473 DPI Rule Exported 474 DPI Rule
Page 155 and 156: 726 Get Client Plug-in Events Faile
Page 157: Privacy Policy Trend Micro, Inc. is
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