Detecting and Combatting Rogue Devices | 3Com 3CRWXR10095A guide

474CHAPTER 17: DETECTING AND COMBATTING ROGUE DEVICES

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3Com 3CRWXR10095A, 3CRWX120695A WXR100, WX4400 3CRWX440095A WX1200 manual Detecting and Combatting Rogue Devices

Contents

Wireless LAN Mobility System WX4400 3CRWX440095A WX1200 3CRWX120695A WXR100 3CRWXR10095A 3Com Corporation 350 Campus Drive Marlborough, MA USA United States Government Legend Contents Getting Started Enabling Keyboard Shortcut Mnemonics Windows XP Only 125 Placing Third-Party Access Points 131 175 Launching a Web Management Session with the Switch 176 186 Configuring Snmp 187 Resetting CoS Mapping to their Default Values 233 247 241 Configuring an 802.1X Wireless Service 242244 258 319 299 Creating a Radius Server Group 300316 320 WX File Management Options Devices Tab 337Example 3 Deployment Site Has DNS But No Dhcp 347 Enabling or Disabling Management of a Switch by 3WXM 356Viewing the Operation Log 358 394 Applying Policy Changes to Switches 375375 Generating a Radio Details Report 395 412 Generating a Site Survey Order Generating a Work Order410 Displaying 802.11 Coverage 439 465 468 496 Register Your Product 507Page Conventions List conventions that are used throughout this guideIcon Description Documentation Comments Pddtechpubscomments@3com.com Example Hardware Requirements Requirements for 3WXM client 3WXM ClientHardware Requirements for Running 3WXM Client Hard drive space Available Monitor resolution Hardware Requirements for 3WXM Monitoring ServiceHardware Requirements for Running 3WXM Monitoring Service Number Radios WX Switches 50+ WX Switches Preparing for InstallationSoftware User Privileges Installing 3WXM Installing 3WXM Installing 3WXM Click Uninstall Click Continue Overview Plan is displayed by the 3WXM client Display Panels Display Panels Alerts Alert Category Description Alerts Rogue Detection Saving or Discarding Configuration Changes Reviewing and Deploying Switch Configuration Changes Configuration Wizards Working with the 3WXM User Interface Properties Dialogs Resize IconsOption Description 3WXM Menu Options Menu Option Description 3WXM Tool Bar Options Menu Option Description Configuration Verification Objects Copying, PastingDeleting Organizer Panel Copy and Paste Content Panel Replace Organizer Panel Mnemonics Enabling KeyboardShortcut Windows XP Only Enabling Keyboard Shortcut Mnemonics Windows XP Only Working with the 3WXM User Interface Starting 3WXM Switch Manager 3WXM, restricting access to 3WXM, creatingFollowing steps describe how to start 3WXM Managing network plans, and defining a Mobility Domain Next Starting 3WXM Getting Started Restricting Access to 3WXM Accounts Working with Network Plans Plan Creating a Network To create a network plan 3WXM installation directory on the 3WXM Services host PlansCan also share a network plan with others Saving a Network Plan with a New Name Managing Network Plans Plan Managing Network Plans To disable notification Defining a Mobility Domain Traffic Ports Used for AAA Servers and Management Servers Protocol Port Function Creating a WX Switch Creating aThird-Party AP Working with Network Plans Changing Auto-TuningSettings to Country Code Uploading a WX Switch into Network Plan Click Next Click Finish Converting Auto DAPs into Statically Configured APs Affinities for Network Domain Seeds Affinity Value Assigned To RF Planning Toolbar icons available in RF Planning Tools RF Planning Overview Creating or Modifying a SiteTo create or modify a site Creating or Modifying a Site Modifying Buildings in a Site Creating or Modifying Buildings in a Site Planning the 3COM Mobility System Modifying Floors Importing or Drawing FloorDetails To prepare a drawing before importing it into 3WXM Planning the 3COM Mobility System Importing or Drawing Floor Details Useful AutoCAD Operations and Naming-Conventions Operating TipsCommon AutoCAD Layer Names Importing the Drawing To crop the paper space Floor Plan After Importing To adjust the scale Floor Plan After Cropping To adjust the origin point Origin point New location of origin point Hiding Layers Shows the same floor plan as after hiding unnecessary layers Adding or removing a layer Moving an object from one layer to another To clean up a drawing Importing or Drawing Floor Details Planning the 3COM Mobility System To draw an object Object Action Planning the 3COM Mobility System To create RF obstacles for all objects in a layer To create RF obstacles for an area in a drawing To create RF obstacles by grouping objects To use the Create RF Obstacle Dialog boxCreate RF Obstacle dialog box is shown in Figure Drawing RF Obstacles 3WXM supports concave polygons. a concave Specifying the RF Characteristics of a Floor Site Survey Recommendations Adding LOS PointsTo import LOS points from a file Specifying the RF Characteristics of a Floor Planning the 3COM Mobility System To create LOS points in 3WXM Click Next. The radio configuration page appears Specifying the RF Characteristics of a Floor To move an LOS point To delete an LOS pointGenerating a Site Survey Order Click Generate Importing RF Measurements Click Next Applying the RF Measurements to the Floor Plan To create a wiring closet Planning the 3COM Mobility System Shared Coverage Areas Shows an example of shared coverage areas Drawing a Coverage Area Unsupported Shared Coverage Area Example Object Action Specifying the Wireless Technology for a Coverage Area Specifying Coverage Area Properties Click Next. The Floor Properties page appears Specifying Floor Properties for the Coverage Area Specifying Default Device Settings for the Coverage Area Planning the 3COM Mobility System WX4400 switches support indirect MAP connections only Configuring Capacity Calculation for Data Configuring Capacity Calculation for Voice Planning the 3COM Mobility System Areas Planning the 3COM Mobility System Defining Wireless Coverage Areas Planning the 3COM Mobility System Defining Wireless Coverage Areas Planning the 3COM Mobility System Location Creating and Placing An Icon for a Third-Party Access PointAP Icon to its Floor Place tab Planning the 3COM Mobility System Placing Third-Party Access Points Planning the 3COM Mobility System MAPs Placing InstalledAuto-Configured Plan Planning the 3COM Mobility System To specify design constraints WX4400 switches support indirect MAP connections only Computing MAP Placement To compute and place MAPs Go to To review coverage area computation To review coverage area computation Planning the 3COM Mobility System Locking and Unlocking MAPs To lock a MAP To assign channels Channel Assignment to Minimize Co-Channel Interference Computing MAP Placement Planning the 3COM Mobility System To compute optimal power Planning the 3COM Mobility System To resolve optimal power computation problems Verifying the Wireless Network Resolving coverage gaps To place an RF measurement point „ To list disabled access points, select Show Disabled MAPs Signal strengths for any location on the floor To use the RF interactive measurement mode Shows the information available in the RF measurement table RF Measurement InformationValue Information Generating RFNetwork Design To generate a work order report Click Generate Work Order WX Switch Configuration Objects Parameters WX Switch Object Types Category Object Type Description WX Switch Object Types AAA Adding a WX Switch to the Network Plan Creating a WX Switch Using the Create Wireless Switch Wizard Configured Switch Network Plan Click Management Interface Configuration File Click WX Associations Advanced Configuring BasicSettings Reviewing Using the Create Wireless Switch Wizard Password is encrypted when you type it Click Next Configuring WX System Parameters To set up a switch „ V2c Setting Up a Switch „ 11b „ 11g Modifying Basic Switch Parameters Model Changing the WX To change the WX software versionSoftware Version Select the model from the drop-down list Click OK Information To convert an Auto DAP To delete an Auto DAP Viewing Changing Port Settings Viewing Port SettingsSettings Enabling Link Notifications Click Properties Select Snmp Link Traps Click Next Configuring WX System Parameters Viewing and Changing Port Settings Configuring WX System Parameters Viewing and Changing Port Settings Viewing Port Groups To view port groups Select Port Groups Group Content panel, select the row for the port groupCreating a Port Group To create a port group Click Properties Select Management Services 3WXM, Https is always enabled and listens on portManagement Service Settings Viewing Viewing and Changing Management Settings Configuring an Snmp V1 or V2c Community String Task List panel, select Community Configuring a USM Snmp V3 User Configuring WX System Parameters Configuring a Notification Profile Configuring a Notification Target Click Properties Community string names are transmitted in clear text Configuring WX System Parameters Configuring 3WXM Services as a Notification Target Select the object you want to modifyTask List panel, select 3WXM Notification Target Community string names are transmitted in clear text Click Finish Setting Log Trace SettingsViewing Log Settings To view log settings Configure logging to the console Creating an External Log Server Creating a Trace Area Setting Configuring IPServices Settings Static routes Select IP Services You cannot use the word all as the name of an IP alias Select IP Services Select IP Services Configuring VLANs Users and VLANs Roaming and VLANs Viewing VLANs To view VLANs Configuring WX System Parameters Viewing and Configuring VLANs To tag a port or port group, select the Tag checkbox Changing STP Port Settings in a Vlan Click OK Enabling STP Fast Convergence Features Configuring WX System Parameters Configuring Static Multicast Ports Click Properties Viewing and Configuring VLANs Restricting Layer A Vlan Select Dhcp Server to enable it on the Vlan Configuring ACLs Server that stores confidential salary informationLast ACE of an ACL Viewing ACLs To view ACLs To configure an ACL IP Protocol Number Configuring WX System Parameters „ 0 normal-Packets with normal TOS defined are filtered Configuring Advanced ACL Settings To enable the hit counter for an ACETo change the hit sample rate Icmp Messages and Codes To enable the established option for TCP ACEsTo specify the type and code for Icmp ACEs Icmp Message Type Number Code Number Adding a New ACE to a Configured ACL Viewing and Configuring ACLs Individual ACE from an ACL Changing CoS MappingsMappings Mapping Setting a Range Dscp Values to a Configuring WX System Parameters Viewing Configuring Wireless Services Service Profiles Service Profile Parameters Service Profile Parameters Access Rules Service Profile Type Access Rule Type Default Access Glob Viewing and Configuring Wireless Services „ Local EAP-TLS-EAP with TLS Viewing Wireless To view wireless services ServicesSelect Wireless Services „ WPA Select the EAP type Configuring Wireless Parameters „ WPA Configuring Wireless Parameters Web-Portal WebAAA Service „ Static WEP Click Next Viewing and Configuring Wireless Services Access Service „ WPA Go to step Click Finish Service Profile Tab WPA, RSN Tab Authorization Attributes Tab Broadcast Settings TabStatic WEP Tab Voice Configuration Tab Radio Profile Selection Tab Client Timeout Tab Client Timeout tab lists settings for client session timersRate Configuration Tab Viewing and Configuring Wireless Services Soda Tab Click Properties Modifying Encryption Settings Viewing and Configuring Wireless Services Modifying Access Rules Configuring Radio ProfilesSelect Radio Profiles Creating a Radio To create a radio profile Profile Click Reset To Default Radio Profile Tab Attributes Tab Auto Tune Tab Service Profile Selection Tab Radio Selection Tab Profile Settings Auto-DAP Profile Profile Settings Viewing and Changing the Auto-DAP Profile Through radio signals Configuring MAPsDAPs into Statically Configured DAPs Deleting Auto DAPs See Deleting Auto DAPs on Select Access Points Viewing the To view the configured MAPsConfigured MAPs Maximum MAPs Supported Per Switch „ 112233445566778899aabbccddeeff00 Transmit Power box, specify the transmit power for the radio To configure a directly connected MAP Channel Number list, select the channel number for the radio Click the plus sign next to Wireless Transmit Power box, specify the transmit power for the radio Configuring Wireless Parameters Changing Radio ConfiguredViewing Radio To view radio settings Select Radios Select RF Detection Detection SettingsChanging RF OUI List List Edit the MAC address in the MAC Address box Click OK Countermeasures Select RF Detection Select Enable AP Signature Configuring Wireless Parameters Local User CreatingManaging Users Database You can create two types of users in the local database Groups in the Local Database Creating a Named To create a named user UserSelect Local User Database Group and Assigning Users To It Creating and Managing Users in the Local User Database Task List panel, select MAC User Group Authentication Attributes for Local Users Encryption-typeEnd-date Idle-timeout Filter-idMobility-profile Service-type Session-timeoutSsid Start-date Start-date , end-date , or both 600 Time-of-dayTime-of-day tu1000-1600,th1000-1 Time-of-day wk0900-1700,sa2200 A 3Com Mobility System Radius SettingsGroup Url Settings, Servers, Server Groups ServerSelect Radius Click Next Viewing and Configuring Radius Settings To change default values for Radius parameters 802.1X Settings Configuring Global802.1X Settings Select Attempts Click Save Select 802.1X Access Rules Network AccessNetwork Access Rules Rules Viewing and Configuring 802.1X Network Access Rules „ Local EAP-TLS-EAP with TLS Viewing and Configuring 802.1X Network Access Rules Configuring MAC Network Access RuleSelect MAC Access Rules Viewing and Configuring MAC Network Access Rules Page Viewing Configuring WebAAA Network Access Rules Viewing Web AAA To view Web AAA network access rules Creating a Web AAA To create a Web AAA network access rule Viewing and Configuring WebAAA Network Access Rules Viewing Configuring Last-Resort Network Access Rules Select Last Resort Access RulesTask List panel, select Last Resort Network Access Viewing and Configuring Last-Resort Network Access Rules Administrator Access Rules Configuring WXAdministrator Select Admin Access Rules Rule for Console Access Rule for Telnet or SSH Access Viewing and Configuring WX Administrator Access Rules Configuring AAA Support forUsers Viewing and Configuring AAA Support for Third-Party AP Users Proxy for a Client Port Connected to Third-Party AP Policy Rules Changing LocationPolicy Rules Select Location Policy Creating a Location To create a location policy rule Policy Rule Viewing and Changing Location Policy Rules Changing Mobility ProfilesSelect Mobility Profiles Viewing and Changing Mobility Profiles Page Remotely How Remote WX Configuration Works Drop Ship WXR100 Only Shows the location of the Fn switch and the LED Staged WX „ 3WXM must be installed and 3WXM Services must be running „ The network plan containing the WX switches must be open3WXM Requirements Switch for Configuration byStaging a WX Power off or restart the switch Enable the auto-config optionSave the configuration changes Configure an IP interface on the Vlan Configure DNS server information Enable the MSS DNS client WX4400# set ip dns domain examplecorp.com WX4400# save config Configured Switch Configuration withCompleting its Replaced switch’s configuration Replacing a SwitchReusing its At the remote office To enable replacement of remote switches How Switch Replacement WorksReplacement Enabling To replace a switch Document where the options are described WX FileOptions Switches in the network plan Devices TabWX File Management Options in 3WXM Devices Tasks Task Option Description Group Task Task Option Group Description Task Task Option Group Network Configuration ChangesSynchronizing Local Changes Undoing Local or To undo local or network changes Network Changes To immediately deploy local changes To schedule deployment of local changes NonmatchingTo synchronize the changes, do one of the following Repository. Images are stored To add a system imageTo delete a system image To immediately install an image on WX switches To schedule installation of an image on WX switches To reboot WX switches and the MAPs they are managing Rebooting WX Switches or MAP Access PointsYou can use 3WXM to reboot WX switches and MAPs To reboot MAPs without rebooting the switch Disabling Switch by 3WXMEnabling or Management of a Scheduled Operation Canceling aOperation Log To display the operation log Importing Exporting Switch Configuration Files To import a configuration To export a configuration Change Polling To modify configuration polling optionsModifying Alerts panel Managing WX System Images and Configurations Changes Toolbar Options on Verification Tab To resolve an error or warning To disable a specific instance of a warning or errorSelect the warning or error message To globally disable a warning or error To change verification options To disable or reenable a rule Or for specific instances Verifying Configuration Changes When 3WXM connects to 3WXM Services or a WX switch, „ 802.1X-EAP certificate for a WX switch„ WebAAA certificate for a WX switch Distributing PKS #12 files Processing CertificatesTo process a certificate To review certificate details ManagingCertificate that is stored in the 3WXM certificate store Select Tools Certificate Management Distributing SwitchesOr more WX switches Certificates to WX Policies Creating a Policy Access the Create Policy wizardViewing Policies To view policies Feature Settings Policy Changes to SwitchesApplying Policy Wireless Features Feature CategoriesFor This Feature Area See System Features AAA Features Displaying Event LogToolbar Options Reviewing Event Refreshing EventData Filtering Event To filter messages by content Using the Event LOG Severity To export filtered data Generating Reports WX Configuration Configuration reportsMobility Domain Configuration Client Errors To generate an inventory report Generating anInventory Report Inventory Report Sections Generating a Mobility DomainReport Configuration Report WX Configuration Report Sections Summary Report Details Report Click Generate Errors Report „ Session Properties „ Location History Generating a Network Usage Report Network usage report lists network usage statistics Summary Report Scope is always MAP Radio and cannot be changed Details Report Generating a Rogue Summary Report Click Generate Select the language „ English „ German Click View Work Order 3WXM Services regularly checks the status of the network Switches and shows information based on those trapsStatistics and the event log Requirements for AccessingTo access monitored data Monitoring Using the Explore Window Monitoring the Network „ Green Up Toolbar Options in Link Display of Explore ViewIconDescription Lists the options on the toolbar in the floor display Toolbar Options in Floor Display of Explore View Toolbar Options in Floor Display of Explore View Monitoring the Network Using the Explore Window Monitoring the Network Coverage Display Options in Explore Window Display Option 3Com radio on the floor To take an RF measurement Rssi measurements RF measurement point Summary View Using the StatusImmediately updated for the new measurement point Click on the new measurement point. The measurement data is On the network Using the ClientMonitor View Toolbar Options in Client Monitor View Data Displayed When a Mobility Domain or Site is Selected That you can double-click on the arrow to change Number of times authentication for a client failed Data Displayed When a Switch, MAP, or Radio is Selected Client Activity Columns When a Mobility Domain is Selected Ssid Activity Details for Authentication Failure Activity Details for Association Failure Activity Details for Authorization Failure Peap Activity Details for Authorization Successful ColumnDescription Have been collected and will be transmitted to the new Activity Details for Client Cleared Activity Details for Disassociation Activity Details for Dot1x Failure Data Displayed When a Mobility Domain is Selected Activity Details for Roam Data Displayed When a WX Switch, MAP, or Radio is Selected Client Sessions Columns When a Mobility Domain is Selected Displaying Session Details SNR Session Properties Columns „ Updatedtoroam User is roaming. Session Session Statistics Columns Session Statistics Columns Clients on the watch list by MAC address Adding a Client to the Watch ListLocation History Columns Using the Client Monitor View „ natasha@example.com Click Next. The search results appear Displaying the Client Watch List Details are displayed on the following tabs Geographical Location On the floor To display a client’s session Monitoring the Network Session Using the RF Displaying RF WindowRF Monitor RF Neighborhood Columns Window Bssid RF Monitor Activity Log Columns Statistics RF Monitor Environment Columns RF Monitor Environment Columns RF Trends Columns Can indicate interference from a non-802.11 device To access performance statistics from the network Statistics Monitoring the Network Accessing Realtime Performance Statistics „ Octets In/Out „ Packets In/Out „ Errors In/Out Viewing Current Data Viewing Historical Data Viewing Data in Percentages Exporting Performance Data To export data to a file Monitoring the Network Converting a rogue into a third party AP RoguesThat truly are rogues Notification Type Description Rogue detection notifications Rogue Detection RequirementsSnmp Notifications for RF Detection IDS/DoS notifications Snmp Notifications for RF Detection Detecting and Combatting Rogue Devices Rogue Detection Lists Using the Rogue Detection ScreenMain 3WXM tool bar Toolbar Options on Rogue Detection Screen To filter the rogue list Current, Current Hour, Current Day, and History Tabs Activity Log Tab Listeners TabActivity Log Columns Listeners Columns Clients TabLists the information displayed on the Clients tab Client Columns Geographical Displaying aRogue’s Location Displaying a Rogue’s Geographical Location To add a device to the ignore list Converting a Rogue Adding a Device toAttack List Into a Third Party To display the list To remove a third-party AP Clients to the Black Configuring RFAdding a Rogue’s List Detecting and Combatting Rogue Devices RF obstacle data Importing RFMeasurements Importing the To import the measurements Optimizing a Network Plan Measurements to Floor Plan Coverage holes by displaying coverage Locating and FixingCoverage Holes Locating a Coverage To locate a coverage hole Locating and Fixing Coverage Holes Installed to Network Plan Resetting Preferences ValuesTools Preferences Changing User Interface Options Changing NetworkSynchronization To change network options Within Window Style, select one of the following Check on Changing ToolsCertificate Click the Certificate Handling tab For RF Planning Typical Client’s Transmit PowerChanging Options You can change the following RF planning options To Change a Color Defining a Color from the Palette Defining a Color by Changing HSB Properties Defining a Color by Changing RGB Properties Changing 3WXM Logging Options Chapter a Changing 3WXM Preferences Preferences Chapter B Changing 3WXM Services Preferences Starting or 3WXM ServicesServices Stopping Connecting to 3WXM Services To connect to 3WXM ServicesStart 3WXM client Verify that the service is running on the server Data To complete the connection Changing Service Information, and access control to 3WXM ServicesTo change service settings Click the WXs Connection Settings tab WX connection settings control the timeout and retries forService will accept from the WX switches Changing WX Changing WX Connection Settings Sources of Monitor Data Click the Monitoring Settings tab Polling Interval is 5 minutes and cannot be changed Https//ip-addr Managing Network Plans Chapter B Changing 3WXM Services Preferences Backup Chapter B Changing 3WXM Services Preferences Product ServicesRegister Your Purchase Online Access SoftwareTroubleshoot Downloads Contact Us Country Telephone Number Latin America Telephone Technical Support and RepairUS and Canada Telephone Technical Support and Repair Index Numbers Index Monitors WX switch performance Saving SSH Index Index