Juniper Networks IDP75, IDP250, IDP8200, IDP 800 Advantages and Disadvantages of Router Mode

Page 59

Chapter 8: Advanced Configuration

Router Mode

Figure 22 shows a sensor that is configured in bridge mode. Table 15 lists the advantages and disadvantages of bridge mode.

Figure 22: Router Mode

 

Internet

 

 

Firewall

 

Hub or

IP 2.2.2.1

Switch

 

 

 

 

 

 

IP 192.168.0.2

 

 

eth2

 

 

 

IP 192.168.0.1

 

IDP Sensor

Forwarding Interface

Management

 

 

 

 

 

 

Server

eth0 IP 2.2.2.7

eth3

 

IP 2.2.2.4

MGT Interface

IP 1.1.1.1

 

 

 

Forwarding Interface

 

Hub or

 

 

Switch

 

 

 

 

 

User Interface

 

 

 

IP 2.2.2.5

Server1

Server2

Server3

 

IP 1.1.1.2

IP 1.1.1.3

IP 1.1.1.4

 

GW 1.1.1.1

GW 1.1.1.1

GW 1.1.1.1

 

 

Protected Machines

 

 

Table 15: Advantages and Disadvantages of Router Mode

Advantages

Disadvantages

 

 

„ Reliably responds to and prevents attacks

„ Affects Layer 3 IP networks (routing tables)

„ Connects IP networks with different

„ Interfaces cannot be used in stealth mode.

address spaces

The sensor itself can be the target of attacks.

 

 

Advanced Deployment Modes „ 45

Image 59
Contents Releases 4.1r2a April Copyright Notice Table of Contents Chapter Adding the Sensor to NSM Index Page List of Figures Sniffer Mode PassivePage List of Tables Page Icon Meaning Description About This GuideAudience ConventionsRequesting Technical Support Web Access for DocumentationDocumentation Opening a Case with Jtac Self-Help Online Tools and ResourcesPage Installation Roadmap Planning an InstallationIDP Sensor Deployment Mode IDP Configuration BasicsIDP Sensor Placement Sniffer Mode Passive Transparent Mode Inline Active Advantages and Disadvantages of Sniffer Mode PassiveNetScreen-Security Manager Page IDP Sensors Hardware OverviewIDP 800 Sensor IDP 75 SensorIDP 250 Sensor IDP 800 Front Panel IDP 8200 SensorTraffic Ports Forwarding Interfaces Configurable NIC StatesNIC State Options Settings Modes Availability DescriptionNormal State NIC Bypass StateNICs Off State NIC Bypass and Cable ChoicesExternal Bypass Unit State Management Port Power SuppliesManagement Ports Console Serial PortManagement and High Availability Port LEDs IDP Sensor Power SuppliesIDP Sensor LEDs System Status LEDsHard Drive LEDs on Front Panel Traffic Port LEDsHard Drive LED Definitions Front Panel LED Description Power Supply LEDs on Back PanelPower Supply LED Definitions Back Panel LED Description General Installation Guidelines Installing the SensorRequired Tools Mounting Using Device Rack RailsRack Mounting the IDP Sensor Rail with Hinged Rear Bracket Mounting Using Midmount BracketsRU Device IDP 75 Midmount Bracket Connecting PowerSimple Configuration Settings Configuring the IDP SensorInitial Configuration Options Simple ConfigurationUsing the Console Serial Port to Configure the Sensor Simple Configuration ValuesAdvanced Configuration Connecting to the SensorType an IP address and press Enter Following text appears Connecting Directly Using the Management Port Using the Management Port to Configure the SensorSimple or Advanced Configuration Using the Management Port Connecting Remotely Using the Management PortACM Advanced Configuration QuickStart Simple ConfigurationManager Administrator’s Guide Verifying Traffic Flow Connecting Forwarding InterfacesConnecting the High Availability Port Adding Your Sensor to NSM Adding the Sensor to NSMSelect Device is Reachable default Add Device Wizard Connection Settings Type ssh-keygen -l -f sshhostdsakey and press Enter Add Device Wizard Importing the Device Checking the Status of Your SensorPage Loading a Sensor Image into NSM Updating IDP Sensor Software Using NSM Firmware ManagerUpdating Software on the Sensor Updating IDP Sensor Software Without NSM Upgrading Sensor SoftwareReimaging the IDP Sensor Page Servicing the Device Replacing a Power Supply IDP 800, and 8200 OnlyRemove a Power Supply Remove a Hard Drive Install a Power SupplyReplacing a Hard Drive IDP 800 and 8200 Only Hard Drive Latch in Closed Position Install a Hard DrivePage Advanced Deployment Modes Advanced ConfigurationBridge Mode Advantages and Disadvantages of Bridge Mode Bridge ModeAdvantages and Disadvantages of Router Mode Router ModeIDP High Availability Deployment Modes Proxy-ARP ModeAdvantages and Disadvantages of Proxy-ARP Mode Specifications Power Cord Specifications Country IDP 75 Technical SpecificationsPhysical Specifications Value AC Power Specifications Nominal Value Acceptable RangeSpecification Value IDP 250 Technical SpecificationsEnvironmental Specifications IDP 800 Technical Specifications IDP 8200 Technical Specifications Immunity Safety ComplianceEMI Compliance ACM IndexIDP 75, 250, 800, and 8200 Installation Guide 54 „ Index
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IDP75, IDP 800, IDP8200, IDP250 specifications

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