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NetComm manual NB504 User Guide, 40 Advanced Security settings

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5.8.6 Advanced Security

5.8.6 Advanced Security

Using Advanced Security page (shown in figure 5-40), you can protect the router from being attacked by TCP- SYN Flood, UDP Flood and ICMP-Flood from LAN.

Figure 5-40 Advanced Security settings

•Packets Statistic interval (5 ~ 60) - The default value is 10. Select a value between 5 and 60 seconds in the pull-down list. The Packets Statistic interval value indicates the time section of the packets statistic. The result of the statistic used for analysis by SYN Flood, UDP Flood and ICMP-Flood.

•DoS protection - Enable or Disable the DoS protection function. Only when it is enabled, will the flood filters be effective.

•Enable ICMP-FLOOD Attack Filtering - Enable or Disable the ICMP-FLOOD Attack Filtering.

•ICMP-FLOOD Packets threshold: (5 ~ 3600) - The default value is 50. Enter a value between 5 ~ 3600 packets. When the current ICMP-FLOOD Packets numbers is beyond the set value, the router will start up the blocking function immediately.

•Enable UDP-FLOOD Filtering - Enable or Disable the UDP-FLOOD Filtering.

•UDP-FLOOD Packets threshold: (5 ~ 3600) - The default value is 500. Enter a value between 5 ~ 3600 packets. When the current UPD-FLOOD Packets numbers is beyond the set value, the router will start up the blocking function immediately.

•Enable TCP-SYN-FLOOD Attack Filtering - Enable or Disable the TCP-SYN- FLOOD Attack Filtering.

•TCP-SYN-FLOOD Packets threshold: (5 ~ 3600) - The default value is 50. Enter a value between 5 ~ 3600 packets. When the current TCP-SYN-FLOOD Packets numbers is beyond the set value, the router will start up the blocking function immediately.

•Ignore Ping Packet from WAN Port - Enable or Disable ignore ping packet from WAN port. The default is disabled. If enabled, the ping packet from the Internet cannot access the router.

Note: Please enable Curr��ent Statistics Status in System Tools > Statistics page to use the DOS Pr�otection, r�efer� to Chapter� 5.11.8

NB504 User� Guide	YML864Rev1
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NetComm manual NB504 User Guide, 40 Advanced Security settings

Contents

User Guide YML864 Rev154Mbps Wireless Router NB504Contents NB504 User Guide5.7.1 Virtual Servers YML864 Rev1Package contents NB504 User Guide1.2 Conventions Chapter 1 About this Guide1.1 Purposes 1.3 Overview of this User GuideNB504 User Guide Chapter 2 Introduction2.1 Overview of the Router 2.2 Features YML864 Rev1Name 2.3 Panel Layout2.3.1 The Front Panel ActionYML864 Rev1 2.3.2 The Rear PanelFactory Default Reset button 3.1 System Requirements Chapter 3 Connecting the Router3.2 Installation Environment Requirements NB504 User Guide3.3 Connecting the Router YML864 Rev1NB504 User Guide Chapter 4 Quick Installation Guide4.1 TCP/IP configuration Open a command prompt, and type ping 192.168.1.1, then press Enter YML864 Rev1Figure 4-4 Login Windows 4.2 Quick Installation GuideFigure 4-3 Login the router NB504 User GuideIf you choose “PPPoE”, you will see this page shown in figure YML864 Rev1Note - The IP parameters should have been provided by your ISP Figure 4-8 Quick Setup - Static IPNB504 User Guide Note - For other connection types please refer to sectionIn this page, you can configure the following wireless parameters YML864 Rev1Click the Next button, you will then see the Finish page SetupFigure 4-10 Quick Setup - Finish NB504 User GuideYML864 Rev1 Chapter 5 Configuring the Router5.1 login The amount of time from when the router was switched on or reset 5.2 Status2. Wireless 1. LANNB504 User Guide YML864 Rev1Figure 5-1 Router Status 5.4.1 LAN 5.3 Quick Setup5.4 Network NB504 User GuideYML864 Rev1 5.4.2 WANYou can configure the WAN port parameters on this page You should type the following parameters into the spaces provided NB504 User GuideYML864 Rev1 Figure 5-6 WAN - PPPoEClick the Save button to save your settings NB504 User GuideClick Logout to end 802.1X authentication YML864 Rev1Figure 5-9 802.1X + Static IP Settings NB504 User GuideFigure 5-10 BigPond Settings YML864 Rev1Figure 5-11 L2TP Settings NB504 User GuideFigure 5-12 PPTP Settings YML864 Rev1NB504 User Guide YML864Rev12 If you click the Save button, the router will prompt you to reboot 5.4.3 MAC Clone1 Only the PC on your LAN can use the MAC Address Clone feature YML864 Rev1NB504 User Guide 5.5 WirelessFigure 5-14 Wireless menu YML864Rev1YML864 Rev1 5.5.1 Wireless SettingsFigure 5-15 Wireless Settings Note DialogMode - Select the desired wireless mode. The options are NB504 User GuideRadius Server IP - Enter the IP address of the Radius Server YML864 Rev1NB504 User Guide 5.5.2 MAC FilteringStatus - The status of this entry either Enabled or Disabled 6. Click the Save button to save this entry YML864 Rev1YML864Rev1 b If you enable the function and select the Deny the stations not specified by any enabled entries in the list to access for Filtering Rules, and there are not any enable entries in the list, thus, no wireless stations can access the routerNB504 User Guide YML864 Rev1 5.5.3 Wireless StatisticsMAC Address - The connected wireless station’s MAC address Figure 5-19 The DHCP menu 5.6 DHCPNB504 User Guide YML864Rev1YML864 Rev1 5.6.1 DHCP SettingsDefault Domain - Optional. Input the domain name of your network NB504 User Guide 5.6.2 DHCP Clients ListIndex - The index of the DHCP Client Figure 5-22 Address Reservation 5.6.3 Address ReservationYML864 Rev1 NB504 User GuideFigure 5-23 Add or Modify a Address Reservation Entry Note The function won’t take effect until the router rebootsNB504 User Guide YML864 Rev1 5.7 Forwarding5.7.1 Virtual Servers NB504 User Guide Figure 5-26 Add or Modify a Virtual Server EntryFigure 5-27 Port Triggering 5.7.2 Port TriggeringYML864 Rev1 3. Incoming Port Range cannot overlap each other NB504 User GuideFigure 5-28 Add or Modify a Triggering Entry To assign a computer or server to be a DMZ server 5.7.3 DMZ1. Click the Enable radio button 2. Enter the local host IP Address in the DMZ Host IP Address fieldNB504 User Guide 5.7.4 UPnPProtocol - Which type of protocol is opened Figure 5-31 The Security menu 5.8 SecurityYML864 Rev1 NB504 User GuideNB504 User Guide 5.8.1 FirewallEnable Firewall - the general firewall switch is on or off Figure 5-33 IP address Filtering 5.8.2 IP Address FilteringYML864 Rev1 Figure 5-34 Add or Modify an IP Address Filtering EntryNB504 User Guide YML864 Rev1 5.8.3 Domain FilteringTo add or modify a Domain Filtering entry, follow these instructions NB504 User Guide Figure 5-37 MAC address Filtering 5.8.4 MAC FilteringYML864 Rev1 Figure 5-38 Add or Modify a MAC Address Filtering entryYML864Rev1 Click the Disabled All button to make all entries disabled. Click the Delete All button to delete all entriesNB504 User Guide Figure 5-39 Remote Management 5.8.5 Remote ManagementYML864 Rev1 NB504 User Guide 5.8.6 Advanced SecurityFigure 5-40 Advanced Security settings Click the Save button to save the settings YML864 Rev1NB504 User Guide 5.9 IP & MAC Binding Setting5.9.1 Binding Setting YML864 Rev1 Figure 5-45 Find IP & MAC Binding EntryFigure 5-46ARP List 5.9.2 ARP ListNB504 User Guide Figure 5-47 Static Routing 5.10 Static RoutingYML864 Rev1 Figure 5-48 Add or Modify a Static Route EntryNB504 User Guide 5.11 Dynamic DDNS5.11.1Dyndns.org DDNS YML864 Rev1 5.11.2 Oray.net DDNSFigure 5-50 Oray.net DDNS Settings NB504 User Guide 5.11.3 Comexe.cn DDNSFigure 5-51 Comexe.cn DDNS Settings Figure 5-52 The System Tools menu 5.12 System ToolsYML864 Rev1 NB504 User GuideNB504 User Guide 5.12.1 TimeTime Zone - Select your local time zone from this pull down list YML864 Rev1 5.12.2 FirmwareTo upgrade the router’s firmware, follow these instructions The default User Name admin The default Password admin 5.12.3 Factory Defaults5.12.4 Backup and Restore NB504 User GuideYML864 Rev1 5.12.5 RebootThis page shown in figure 5-57 allows you to reboot the router NB504 User Guide 5.12.7 LogClick the Clear Log button to clear all the logs IP Address 5.12.8 StatisticsYML864 Rev1 The total amount of bytes received and transmitted by the routerNB504 User Guide Appendix A FAQ1. How do I configure the router to access Internet by ADSL users? Figure A-1 PPPoE Connection TypeYML864 Rev1 Figure A-3 MAC CloneNB504 User Guide 3. I want to use Netmeeting, what do I need to do?4. I want to build a WEB Server on the LAN, what should I do? Figure A-4 Virtual ServersFigure A-8 Virtual Servers YML864 Rev1Figure A-7 Remote Management Figure A-9 Add or Modify a Virtual server EntryNB504 User Guide 5. The wireless stations cannot connect to the router1 Make sure the “Wireless Router Radio” is enabled YML864 Rev1 Appendix B Configuring the PC3 Click on the Add button. Select Protocol, and then click Add NB504 User Guide 2. Configure TCP/IP for your computer4 Now you have two ways to configure the TCP/IP protocol below YML864 Rev1 Setting IP address manuallyFigure B-6 DNS Configuration tab Figure B-5 Gateway tabFigure B-8 Gateway tab NB504 User GuideFigure B-7 IP Address tab NB504 User Guide Figure B-9 DNS Configuration tabYML864 Rev1 Environmental and Physical Appendix C SpecificationsGeneral NB504 User GuideNB504 User Guide Appendix D GlossaryYML864 Rev1 NB504 User Guide Appendix E Legal & Regulatory InformationCustomer Information YML864Rev1YML864 Rev1 Product WarrantyLimitations of Warranty YML864Rev1 Product WarrantyContact Information NB504 User Guide