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HP 100 Router manual DoS Detect Criteria

Models: 100 Router

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54CHAPTER 5: ROUTER CONFIGURATION

DoS Detect Criteria

15In the Total incomplete TCP/UDP sessions HIGH text box, enter the number of unestablished sessions that will cause the software to start deleting half-open sessions. The defaiult is 300.

16In the Total incomplete TCP/UDP sessions LOW text box, enter the number of unestablished sessions that must be reached before the software stops deleting half-open sessions. The default is 250.

17In the Incomplete TCP/UDP sessions (per min) HIGH text box, enter the maximum number of incomplete TCP/UDP sessions allowed per minute. The default is 250 sessions.

18In the Incomplete TCP/UDP sessions (per min) LOW text box, enter the minimum number of incomplete TCP/UDP sessions allowed per minute. The default is 200 sessions.

19In the Maximum incomplete TCP/UDP sessions number from the same host text box, enter the maximum number of incomplete sessions allowed from the same host. The default is 10 sessions.

20In the Incomplete TCP/UDP sessions detect sensitive time period text box, enter the length of time that msut elapse before an incomplete TCP/UDP session is detected as incomplete. The default is 300 msec.

21In the Maximum half-open fragmentation packet number from the same host text box, enter the maximum number of half-open fragmentation packets allowed from the same host. The default is 30 packets.

22In the Half-open fragmentation detect sensitive time period text box, enter the length of time that must elapse before a half-open fragmentation session is detected as half-open. The default is 10000 msec.

23In the Flooding cracker block time text box, enter the length of time that must elapse between detection of a flood attack and blocking the attack. The default is 300 seconds.

24Click Apply to save the settings.

Special Applications Special Applications let you choose specific ports, and for these ports to choose the specific applications that you want to work with the Network Address Translation (NAT) feature of the Router. You can either choose from a list of applications, or configure another application using information supplied by the application vendor.

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HP 100 Router manual DoS Detect Criteria

Contents

OfficeConnect Cable/DSL Router User Guide 3Com Corporation Campus Drive Marlborough, MA USA Contents Running the Setup Wizard Troubleshooting ISP Information Technical Specifications About this Guide Conventions Document to 3Com atPddtechpubscomments@3com.com Configure your Router About this Guide OfficeConnect Cable/DSL RouterExample Network Without a Router Router Advantages Operations Minimum System Component RequirementsFront Panel Alert LED OrangeFour LAN Status LEDs Power LED GreenIndicates that the Router is powered on Cable/DSL Status LEDRear Panel Positioning the Router Safety InformationIntroduction IncludingRouter ConnectingWall Mounting Computer, do the followingConnecting the Router Hardware Installation Automatically Obtaining an IPAddress This chapterRestart your computer Local Area Properties ScreenObtaining an IP Address Automatically Software ProxyRefer to for details on how to do this AccessingTo use the Setup Wizard WizardLogin screen displays Figure Router Login ScreenAdmin Password screen Figure Click Next to display the Time Zone setup screen FigureRunning the Setup Wizard Click Next to display the Connection Type screen Dynamic IP Address Mode Click Next. The DNS screen displays. Refer to DNS onPPPoE Mode PPPoE Interface ScreenPptp Mode L2TPL2TP Screen Static IP Mode Static IP Mode ScreenDNS DNS Screen Address LAN Configuration Dhcp Server ParametersSummary Through the Router ConfigurationNavigating PagesLAN Settings LAN Settings screen Dhcp Clients List Dynamic IP Address DSL or CablePPPoE DSL only Pptp DSL or Cable L2TP DSL or CableStatic IP Address DSL or Cable Check all of your settings and then click Apply Dynamic IP AddressInternet Settings PPPoE Interface Screen PPPoEPptp Check with your ISP to make sure they support L2TP Internet Settings Static IP Screen Static IP AddressInternet Settings DNS Screen Configure the following firewall functions FirewallSPI Stateful Packet Inspection SPI inspects packets at See DMZ on Intrusion Detection Feature SPI Screen upper sectionStateful Packet Inspection Alert by E-mailConnection Policy DoS Detect Criteria Special Application Screen Virtual Server Screen Access Control Virtual Server Add/Edit ScreenAccess Control Screen To control access to specific Internet services URL FilterSchedule Rule URL Filter ScreenFirewall Schedule Rule Add Rule Screen MAC Address Filtering VPN OperationVPN IPSec must be enabled if you want to use L2TP over IPSec VPN Tunnel Configuration IPSec Screen ConnectionIKE Keep Alive feature is not available IPSec Connection IPSec connectionVPN Tunnel Configuration L2TP over IPSec Screen VPN Tunnel Configuration Pptp Screen Agent installed Select Enable to activate SnmpSnmp Simple Network Management Protocol allows remote System Tools Restart Router Screen Click Reset ChangedSaving a configuration file Click Save to save your current configuration settingsRestoring a configuration file Upgrade Screen To change the password Admin Password ScreenTime Zone Screen Advanced To disable NAT, select the OFF radio button AdvancedAdvanced Static Route Static Route screenRIP RIP screen Routing Table Routing Table screenSelect the Dynamic DNS Enable radio button TZO.comStatus and Logs DynDNSAlso displays two sub-menus Traffic Metering and Logs To view the Traffic Metering screen Traffic Metering ScreenLogs Screen Support Screen Browsing to the Router Configuration Screens Basic ConnectionChecks Connecting to InternetFault with the hardware. Remove power from the Router, wait Seconds and then re-apply power. If the Alert LED comes onAlert LED Power LED or Power Adapter OKLED Not Lit Latest software is available on 3Com’s Web site at Where can I download software updates for the Router? Frequently Asked QuestionsHow do I reset the Router to Factory Defaults? How many computers on the LAN does the Router support?Frequently Asked Questions Troubleshooting Internet protocol suite consists of a well-defined set Protocol SuiteManaging the Router over the Network TCP working together. TCP/IP is an internationally adoptedType One Type TwoHow does a Device Obtain an IP Address and Subnet Mask? Appendix a IP Addressing ISP Information Information Regarding Popular ISPsDrizzle, DSL Extreme, Earthlink OfficeConnect Cable/DSL Router System Requirements Operating Systems Safety Information Important Safety InformationWichtige Sicherheitshinweise Consignes importantes de Información de seguridad Register Your Product to Gain Service BenefitsServices PurchaseContact Us Access SoftwareDownloads Telephone TechnicalTelephone Technical Support and Repair Latsupportanc@3com.com Agreement Appendix F END User Software License Agreement Glossary Glossary Ethernet Address See MAC address Glossary Glossary Traffic The movement of data packets on a network Glossary Glossary Index Index Regulatory Notices Page Page DUA8589-1AAA01 Rev