Configuring Firewall Settings | Garmin HM210DP/DI guide

Configuring Firewall Settings

Source Port:

Dest Port:

TCP Flag:

ICMP Type:

ICMP Code:

IP Frag Pkt:

Port number criteria for the computer(s) from which the packet originates. This field will be dimmed (unavailable for entry) if you have not specified a protocol critera. See the description of Src IP Address for the selection options.

Port number criteria for the destination computer(s), i.e. the port number of the type of computer to which the packet is being sent. This field will be dimmed (unavailable for entry) unless you have selected TCP or UDP as the protocol. See the description of Src IP Address for the selection options.

Specifies whether the rule should apply only to TCP packets that contain the synchronous (SYN) flag, only to those that contain the non- synchronous (NOT-SYN) flag, or to all TCP packets. This field will be dimmed (unavailable for entry) unless you selected TCP as the protocol.

Specifies whether the value in the type field in ICMP packet headers will be used as a criteria. The code value can be any decimal value from 0 to 255. You can specify that the value must be equal (eq) or not equal (neq) to the specified value, or you can select any to enable the rule to be invoked on all ICMP packets. This field will be dimmed (unavailable for entry) unless you specify ICMP as the protocol.

Specifies whether the value in the code field in ICMP packet headers will be used as criteria. The code value can be any decimal value from 0 to 255. You can specify that the value must be equal (eq) or not equal (neq) to the specified value, or you can select any to enable the rule to be invoked on all ICMP packets. This field will be dimmed (unavailable for entry) unless you specify ICMP as the protocol.

Determines how the rule applies to IP packets that contain fragments. You can choose from the following options:

Yes: The rule will be applied only to packets that contain fragments.

No: The rule will be applied only to packets that do not contain fragments.

86	EN/LZT 108 6492 R2 - October 2003

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Garmin HM210DP/DI manual Configuring Firewall Settings

Contents

HM210dp/di Abstract CopyrightDisclaimer Trademark List Contents Configuring IP Routes Basic ConfigurationConfiguring Dhcp Configuring DNS Server Addresses Configuring NATConfiguring RIP Viewing DSL Line Information 101 Troubleshooting 104 Configuring Firewall SettingsAdministration Tasks Important Information 109 Glossary 118 Page About this User Guide FeaturesIntroduction About the Adsl Modem HM210d Before You Start Package ContentsSubscription for Adsl Service System Requirements Physical Appearance Front Panel and LED IndicatorsLabel Status/Description Back Panel and Connectors Choosing a Place for the Router Connecting the Hardware 192.168.1.1 Configuring PCs as Dhcp ClientsWindows 95, 98/98SE and Me 255.255.255.0 Windows Windows XP Assigning Static IP Addresses to your PCs Windows Accessing the Configuration Manager Manager Functional Layout Button / Symbol Description Commonly Used Buttons and Icons Home Page and System View Table Table Heading Commiting Changes and Rebooting Rebooting the HM210dp/di using Options Setting Description Reboot from Minimum Configuration Quick Configuration Field Igmp Primary/Secondary DNS Server Select ATM ATM VC to display the ATM VC Configuration Configuring the ATM Virtual CircuitAdding ATM VCs VC Interface VPI and VCI Mux Type Max Proto per AAL5 Modifying ATM VCs Configuring PPP Interfaces Adding PPP Interfaces Field Description Status Protocol Service Name Use Dhcp Use DNS Default Route Security Protocol Login Name Password Checking Your Connection Status Modifying and Deleteing PPP Interfaces Configuring EoA Interfaces Adding EoA Interfaces Field Description 0.0 Basic Configuration Adding IPoA Interfaces Configuring IPoA InterfacesSelect WAN IPoA to display the IPoA Configuration Field Description Public / Private / DMZ Checking Your Connection Status Bridging Connection Mode Defining Bridge Interfaces Check Your Connection Status Deleting a Bridge Interface Configuring IP Routes Overview of IP Routes Viewing the IP Routing Table Field Adding IP Routes Select Routing IP Route Add. The IP Route Add page appears Dhcp Modes Configuring DhcpOverview of Dhcp Dhcp Server Dhcp Relay Agent Configuring Dhcp ServerDhcp Client Creating Dhcp Server Address Pools Start IP Address End IP Address Mac Address Enabling Dhcp Server Mode Configuring Your PCs as Dhcp Clients Viewing, Modifying and Deleting Address Pools Excluding IP Addresses from a Pool Viewing Current Dhcp Address Assignments Configuring Dhcp Relay Defining the Dhcp Relay Interfaces Enabling Dhcp Relay Mode Configuring Your PCs as Dhcp Clients Configuring NAT Overview of NAT Viewing NAT Configuration Configuration page appears TCP Idle Timeoutsec TCP Close Waitsec Viewing NAT Rules and Rule Statistics Configuring NAT Viewing Current NAT Translations Application Level Gateway ALG , if any, that Field Description Adding NAT Rules Napt Rule RDR Rule Configuring NAT Basic Rule Configuring NAT Filter Rule Configuring NAT Bimap Rule Enter a Destination Address From/To … Configuring NAT Pass Rule Configuring NAT Statically Configuring DNS Server AddressesAssigning DNS Addresses Dynamically from a Dhcp pool Option 1 Using a PPP connection to learn the DNS Configuring DNS RelayConfigured on the HM210dp/di Overview of DNS Relay Option 2 Configuring DNS on the HM210dp/di Go to Service DNS to display the DNS Configuration Configuring RIP Overview of RIP Configuring the RIP Select Services RIP and the RIP Configuration page appears Viewing RIP Statistics Configuring RIP Configuring Firewall Settings Global Firewall Settings Max Icmp Conn Configuring IP Filters Conn Viewing Your IP Filter Configuration Configuring IP Filter Global Settings Creating IP Filter Rules Configuring Firewall Settings Field Configuring Firewall Settings Configuring Firewall Settings IP Option Pkt Packet Size TOD Rule Status Viewing IP Filter Statistics IP Filter Rule Examples Managing Current IP Filter Sessions Blocking Specific Protocols Protocol Description Rarp IPX Bpdu Changing the System Date and Time Administration TasksSelect Home Modify to display the System Modify Configuring User Names and Passwords Name Domain Name Administration Tasks Upgrading the Software Using Diagnostics Administration Tasks Modifying Port Settings Accessing a Server with a Non-Standard Port Number Viewing System Alarms Viewing DSL Line Information 102 103 Indication/Symptom Troubleshooting Suggestion Troubleshooting14.1 LEDs Internet Access Diagnosing Problem Using IP Utilities Configuration Manager ProgramHow to use Winipcfg How to use Ipconfig How to use Ping Product Care and Maintenance Important Information License Limited WarrantyLicense Agreement Term Limitation of Liability Intended UseGoverning Law EU Directives Safety ApprovalsRegulatory Information Declaration of Conformity EMC Approvals 15.3.2.1 UL 1950 Statement FCC Part 15 Statement Telecom Approval FCC Part 68 Statement For EU Power SupplyEnvironmental Information For US HM210dp/di is intended for indoor public and private use Glossary AuthenticateBridging Device BroadbandBroadcast Dhcp Relay Encapsulation Domain nameDownstream Ethernet Dmt FirmwareGateway Lite Intranet HostInternet IP address MAC address NAT rule PPPoE PacketPort Protocol Routing RemoteSubnet T1.413 Telnet Upstream VPI and VCI