Example Filters, Example Network | Netopia R3100 specification

15-34 User’s Reference Guide

Less Than Or Equal	Any port less than or equal to the port deﬁned

Equal	Matches only the port deﬁned

Greater Than or Equal	Matches the port or any port greater

Greater Than	Matches anything greater than the port deﬁned.

Example Network

Incoming Packet Filter

Netopia

Internet

IP: 200.1.1.??

DATA

Example Filters

Example 1

		Filter Rule:		200.1.1.0		(Source IP Network Address)

				255.255.255.128		(Source IP Mask)

				Forward = No		(What happens on match)

Incoming packet has the source address of 200.1.1.28

	IP Address		Binary Representation

	200.1.1.28		00011100		(Source address in incoming IP packet)

	AND

	255.255.255.128		10000000		(Perform the logical AND)

			00000000		(Logical AND result)

Image 212

Netopia R3100 manual Example Filters, Example Network

Contents

Netopia R3100 Isdn Routers Part Number Contents Ii User’s Reference Guide Part II Advanced Configuration Iv User’s Reference Guide Aurp Vi User’s Reference Guide Part III Appendixes Viii User’s Reference Guide Contents User’s Reference Guide Conﬁguration options for your Netopia R3100 Isdn Router Small Ofﬁce connection to the Internet Small Ofﬁce connection to the Internet Direct Connection to a Corporate Ofﬁce Telecommuter Conﬁgured to accept incoming dial-up connections Conﬁgured for Idsl Part I Getting Started User’s Reference Guide Features and capabilities Chapter IntroductionOverview Introduction How to use this guide Chapter Making the Physical Connections Find a locationWhat you need Making the Physical Connections Identify the connectors and attach the cables Netopia R3100 Isdn Router Back Panel Ports Cable to your router on Services on Netopia R3100 Isdn Router Status Lights Netopia R3100 LED front panel Chapter Setting up your Router with the SmartStart Wizard Setting up your Router with the SmartStart Wizard Before running SmartStart Setting up your Router with the SmartStart Wizard SmartStart Wizard conﬁguration screens Easy or Advanced setup Easy option Setting up your Router with the SmartStart Wizard User’s Reference Guide Setting up your Router with the SmartStart Wizard User’s Reference Guide Advanced option Connection Proﬁle screen on Dynamic conﬁguration recommended Conﬁguration tab Static conﬁguration optional Add. Repeat this process for the secondary DNS Conﬁguring TCP/IP on Macintosh computers TCP/IP TCP/IP or MacTCP Dynamic conﬁguration using MacIP optional Setting up your Router with the SmartStart Wizard User’s Reference Guide Chapter Connecting Your Local Area Network Connecting Your Local Area Network Readying computers on your local network Connecting to an Ethernet network 10Base-T 10BASE-T Remote console Connecting to a LocalTalk network Wiring guidelines for PhoneNET cabling User’s Reference Guide SmartView Chapter SmartViewSmartView overview Navigating SmartView General Machine information Connection Proﬁles Event history pages Device Event History WAN Event History Standard Html web-based monitoring pages User’s Reference Guide Console-based Management Chapter Console-based ManagementAbout Console-based Management Connecting through a Telnet session Connecting a local terminal console cable to your router Conﬁguring Telnet software PC ANSI-BBS Navigating through the console screens User’s Reference Guide Chapter Easy Setup Easy Setup console screensHow to access the Easy Setup console screens Easy Setup See Appendix A, Troubleshooting, for more suggestions Beginning Easy Setup Isdn Easy Setup PPP Cancel Idsl Easy Setup Easy Setup Proﬁle Previous Screen User’s Reference Guide IP Easy Setup Previous Screen Next Screen Easy Setup Security Conﬁguring Frame Relay Easy Setup Frame Relay screens Isdn Setup Isdn Line Configuration WAN Conﬁguration Frame Relay screens Frame Relay conﬁguration Easy Setup Frame Relay Dlci conﬁguration Displaying a Frame Relay Dlci conﬁguration table Changing a Frame Relay Dlci conﬁguration ADD Dlci NOW Cancel Adding a Frame Relay Dlci conﬁguration Deleting a Frame Relay Dlci conﬁguration Part II Advanced Configuration User’s Reference Guide WAN and System Conﬁguration Chapter WAN and System ConfigurationCreating a new Connection Proﬁle Add Connection Proﬁle screen appears IPX Profile Parameters Remote IPX Network BAP Telco Options Initiate Data Service 64 kb/sec Dial Default Proﬁle How the default proﬁle works Customizing the Default Proﬁle Configuration Default Profile IP parameters default proﬁle screen WAN and System Conﬁguration IPX parameters default proﬁle screen Auxiliary Port Conﬁguration System Conﬁguration screens System Conﬁguration features PAP Network Protocols Setup Filter Sets FirewallsIP Address Serving Date and Time MM/DD/YY Upgrade Feature Set Console ConﬁgurationSnmp Simple Network Management Protocol Security Telephone setup Logging Nov Specifying telephone connections Chapter Using SmartPhone for Telephone ServicesUsing SmartPhone for Telephone Services Inbound Directory Number Using SmartPhone for Telephone Services Deﬁning priority ringing Preview Ring Advanced calling features Line provisioning Conﬁguring supplementary services Call Accounting and Default Answer Proﬁle Chapter Call Accounting and Default Answer ProfileCost control feature -- call accounting Viewing call accounting statistics Call Accounting Statistics screen appears Scheduled connections Viewing scheduled connections Adding a scheduled connection Set Weekly Schedule Set Once-Only Schedule Default Answer Proﬁle How the Default Answer Proﬁle worksModifying a scheduled connection Deleting a scheduled connection Customizing the default proﬁle Call Accounting and Default Answer Proﬁle Call acceptance scenarios IP Setup and Network Address Translation Chapter IP Setup and Network Address TranslationNetwork Address Translation features HOW NAT Works Using Network Address Translation ISP Network Address Translation guidelines Using multiple Connection ProﬁlesAssociating port numbers to nodes IP setup IP Setup and Network Address Translation Select Add Export. The Add Exported Service screen appears IP Setup IP subnets IP Setup and Network Address Translation Static routes Viewing static routes Adding a static route Deleting a static route Rules of static route installationModifying a static route Main System IP Address Menu Configuration Serving 163.176.56.90 Dhcp NetBIOS Options MacIP Kip Forwarding Options You have ﬁnished your IP Setup Chapter IPX Setup IPX FeaturesIPX Setup IPX Deﬁnitions Service Advertising Protocol SAP IPX addressSocket Routing Information Protocol RIP IPX Spooﬁng NetBIOSIPX setup Default Gateway Address IPX routing tables User’s Reference Guide AppleTalk Setup Chapter AppleTalk SetupInstalling AppleTalk AppleTalk networks AppleTalk protocol AppleTalk Setup MacIP Aurp Routers and seeding Conﬁguring AppleTalk EtherTalk Setup LocalTalk Setup Aurp Free Trade Zone Aurp setupViewing Aurp partners Adding an Aurp partner Modifying an Aurp partner Conﬁguring Aurp Options Deleting an Aurp partnerReceiving Aurp connections User’s Reference Guide Monitoring Tools Chapter Monitoring ToolsQuick View status overview General status Current status Status lights Statistics & Logs General Statistics Network Interface Event historiesPhysical Interface WAN Event History Request from our DN Routing tables Device Event History IP routing table AppleTalk routing table IPX routing tableIPX Sap Bindery table Served IP Addresses IP Address Lease Management screen appears System Information Snmp Snmp Setup screen Community strings Snmp traps Setting the IP trap receivers Viewing IP trap receiversModifying IP trap receivers Deleting IP trap receivers User’s Reference Guide Security Chapter SecuritySuggested security measures Protecting the conﬁguration screens User accountsProtecting the Security Options screen Dial-in Console Access Enable SmartStart/SmartView/Web Server Telnet accessAbout ﬁlters and ﬁlter sets What’s a ﬁlter and what’s a ﬁlter set? How ﬁlter sets work Filter priority Packet First filter Match? Yes How individual ﬁlters work ﬁlter’s actionsﬁltering rule Parts of a ﬁlter Port numbers Port number comparisons Other ﬁlter attributes Putting the parts together UDP Filtering example #1 Design guidelines Filtering example #2 Disadvantages of ﬁlters An approach to using ﬁltersWorking with IP ﬁlters and ﬁlter sets Adding a ﬁlter set Naming a new ﬁlter set Input and output ﬁlters-source and destination Netopia R-series Router Adding ﬁlters to a ﬁlter set ADD this Filter NOW Cancel Viewing ﬁlter sets Viewing ﬁltersModifying ﬁlters Deleting ﬁlters Sample IP ﬁlter set Modifying ﬁlter setsDeleting a ﬁlter set TCP Icmp UDP Possible modiﬁcations Security IPX ﬁlters Adding a packet ﬁlter IPX packet ﬁltersViewing and modifying packet ﬁlters IPX packet ﬁlter sets Deleting a packet ﬁlterViewing and modifying packet ﬁlter sets Adding a packet ﬁlter set ADD Filter SET NOW Cancel Viewing and modifying SAP ﬁlters IPX SAP ﬁltersDeleting a packet ﬁlter set Adding a SAP ﬁlter IPX SAP ﬁlter sets Deleting a SAP ﬁlterViewing and modifying SAP ﬁlter sets Adding a SAP ﬁlter set Deleting a SAP ﬁlter set Basic Protocol Types Firewall tutorial General Firewall TermsBasic IP Packet Components Firewall Logic Firewall design rulesExample TCP/UDP Ports Implied Rules Binary RepresentationLogical ANDing Example IP Filter Set Screen Filter BasicsEstablished Connections Example Example FiltersExample Network Example Example Token Security Authentication Using the SecurID token cardKey Security Authentication Features of the Netopia R3100 Securing network environments Security authentication components Conﬁguring for security authentication Connecting using security authentication Establishing a dial-on-demand DOD connection call Current Connection Status Establishing a manual connection call User’s Reference Guide Chapter Utilities and Diagnostics Utilities and Diagnostics Ping Start Ping Utilities and Diagnostics Telnet client Stop Ping Trace Route Telnet client screen appears Secure Authentication Monitor Transferring conﬁguration and ﬁrmware ﬁles with Tftp Factory defaultsDisconnect Telnet Console Session Updating ﬁrmware Downloading conﬁguration ﬁles Uploading conﬁguration ﬁles Transferring conﬁguration and ﬁrmware ﬁles with Xmodem Do you want to send a saved configuration to your Netopia? Restarting the system Isdn Switch Loopback Test User’s Reference Guide If the loopback test fails Part III Appendixes User’s Reference Guide Troubleshooting A-1 Appendix a TroubleshootingConﬁguration problems Network problems SmartStart TroubleshootingConsole connection problems Power outages How to get supportTechnical support Before contacting Netopia Online product information FAX-Back Appendix B Setting Up Telco Services Finding an Isdn service providerObtaining an Isdn line Choosing an Isdn line Isdn Ordering Codes Setup tipsPhysical Isdn line Switch protocol type Outside North America onlyDirectory and Spid numbers U models only Circuit ID number U models only Testing the Isdn line Long-distance Isdn calls North American models only Completing the Isdn worksheet Isdn Telco Worksheet for North America Isdn Telco Worksheet for Outside North America User’s Reference Guide Appendix C North American Telco Provisioning for Isdn North American Telco Provisioning for Isdn User’s Reference Guide Appendix D Setting Up Internet Services Finding an Internet service providerSetting Up Internet Services D-1 Unique requirements Setting up a Netopia R3100 account Pricing and supportISP’s Point of presence Endorsements Deciding on an ISP account Obtaining information from the ISP Local LAN IP address information to obtainWith Network Address Translation Remote WAN IP address information to obtain Remote WAN IP address information to obtain What is IP? Appendix E Understanding IP AddressingAbout IP addressing Understanding IP Addressing E-1 Subnets and subnet masks Subnet masks Example Using subnets on a Class C IP internetUnderstanding IP Addressing E-3 Network conﬁguration ISP Network Example Working with a Class C subnet Distributing IP addressesUnderstanding IP Addressing E-5 Background Technical note on subnet masking Netopia R3100 Dhcp Server Characteristics ConﬁgurationUnderstanding IP Addressing E-7 Dhcp Address Serving Using address serving Manually distributing IP addressesTips and rules for distributing IP addresses MacIP Serving Understanding IP Addressing E-9 Dhcp example Nested IP subnets Internet Understanding IP Addressing E-11 Broadcasts Packet header types Appendix F Understanding Netopia NAT Behavior Network ConﬁgurationBackground Understanding Netopia NAT Behavior F-1 User’s Reference Guide Router Netopia Understanding Netopia NAT Behavior F-3 Router Netopia Exported services Understanding Netopia NAT Behavior F-5 Important notes Understanding Netopia NAT Behavior F-7 Summary Understanding Frame Relay G-1 Appendix G Understanding Frame RelayVirtual Circuits Excess Burst Size Be Committed Information Rate CIRCommitted Burst Size Bc Addressing Local and Global DLCIsLocal Management Interface LMI Understanding Frame Relay G-3 Frame Relay partial mesh support Encapsulation and FragmentationNetwork Protocol Addressing and Virtual Interfaces Understanding Frame Relay G-5 User’s Reference Guide Appendix H Event Histories Leased line eventsIsdn events Event Histories Isdn event cause codes Event Histories User’s Reference Guide Event Histories User’s Reference Guide Appendix Isdn Conﬁguration Guide DeﬁnitionsAbout SPIDs Isdn Conﬁguration Guide Example SPIDs Dynamic B-channel usage Other incoming call restrictions User’s Reference Guide Appendix J Binary Conversion Table Binary Conversion Table J-1 Decimal Binary Appendix K Further Reading Further Reading K-1 User’s Reference Guide Further Reading K-3 User’s Reference Guide Pinouts for Auxiliary Port Modem Cable Appendix L Technical Specifications and Safety InformationTechnical Speciﬁcations and Safety Information L-1 DSR Power requirements Technical Speciﬁcations and Safety Information L-3Description Environment Agency approvals Regulatory noticesNorth America International Technical Speciﬁcations and Safety Information L-5 Declaration for Canadian users Important safety instructionsAustralian Safety Information Battery Technical Speciﬁcations and Safety Information L-7Telecommunication installation cautions User’s Reference Guide Glossary Glossary User’s Reference Guide Glossary User’s Reference Guide Glossary Remapping See network number remapping Glossary User’s Reference Guide Index Index-1 Index-2 Index-3 ISP Index-4 NAT Index-5 Spid Index-6 Limited Warranty and Limitation of Remedies Limited Warranty and Limitation of Remedies User’s Reference Guide