D-Link DI-304M Appendix C IP Protocol and Port Numbers, IP Protocol Numbers, IP Port Numbers

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DI-304/DI-304M ISDN Remote Router

Appendix C – IP Protocol and Port Numbers

Common Internet service protocols and IP port numbers.

IP Protocol Numbers

Protocol #	Protocol Name	Description
1	ICMP	Internet Control Message [RFC792]
2	IGMP	Internet Group Management [RFC1112]

6	TCP	Transmission Control [RFC793]
8	EGP	Exterior Gateway Protocol [RFC888,DLM1]
9	IGP	any private interior gateway [IANA]
		(used by Cisco for their IGRP)
17	UDP	User Datagram [RFC768,JBP]
46	RSVP	Reservation Protocol [Bob Braden]
88	EIGRP	EIGRP [CISCO,GXS]
115	L2TP	Layer Two Tunneling Protocol [Aboba]

IP Port Numbers

Service	TCP	UDP	Notes
FTP	21		File Transfer
Telnet	23
SMTP	25		Simple Mail Transfer
DNS	53	53	Domain Name Server
Finger	79
WWWHTTP	80		World Wide Web HTTP
POP3	110		Post Office Protocol – Version 3
	137	137	NetBios Name Service
	138	138	NetBios Datagram Service
	139	139	NetBios Session Service
SNMP		161
SNMP Trap		162

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Contents DI-304/DI-304M Isdn Router User’s Guide FCC Warning CE Mark WarningSoftware Link Offices for Registration and Warranty ServiceHardware Page Wichtige Sicherheitshinweise Table of Contents Virtual TA Application Appendix C IP Protocol and Port Numbers Product Features IntroductionIsdn Basic Rate Interface BRI Ease of InstallationBuilt-in Switch Standard Phone Jacks Just for DI-304MRemote Access Server RAS Dhcp Support Dynamic Host Configuration ProtocolFirmware Upgrade Tftp Server Networking CompatibilityApplications for your DI-304/DI-304M LAN-to-LAN Enterprise Connections What This Manual CoversNetwork Address Translation NAT Remote Dial-In ServerPacking List What This Manual Doesn’t CoverOther Resources Additional Installation Requirements Ordering Your Isdn Line Installation & SetupBefore You Start Web Configurator Factory Default Settings Default IP Network SettingsDhcp Server Enabled DI-304/DI-304M Front PanelDI-304 DI-304M DI-304/DI-304M Rear Panel Connecting to the Ethernet Hardware InstallationConnecting the Power Adapter Setting Up a Management PC Connecting to an Isdn BRI LineConnecting to a DSL/Cable Modem T-Interface ModelChecking the Network IP Configuration Click the Add button. The Select Network ComponentConfiguring the TCP/IP Protocol Checking TCP/IP Settings DI-304/DI-304M Isdn Remote Router Using the Smart Start Wizard Installing the Router ToolsDI-304/DI-304M Isdn Remote Router DI-304/DI-304M Isdn Remote Router DI-304/DI-304M Isdn Remote Router Using the Web Configurator Connecting to the Web Configurator via a Web BrowserQuick Setup Overview of the Web ConfiguratorBasic Setup Setup First Advanced Setup System ManagementDI-304/DI-304M Isdn Remote Router Configuring Ethernet TCP/IP Address and Dhcp Server Basic Configuration and Internet AccessChanging the Administrator Password Dhcp Server Configuration Router IP Network Configuration For NAT UsageFor IP Routing Usage Default Disable Configuring the Isdn Interface Dialing to a Single ISP Internet Access SetupIsdn Dial-up Internet Access ISP Access Setup PPP/MP SetupIP Address Assignment Method Ipcp Dialing to Dual ISPsIP Address Assignment Method Icpc SetupDSL/Cable Modem Internet Access Using PPPoE with a DSL Modem PPPoE SetupIsdn Dial Backup Setup Using Pptp with a DSL Modem Pptp SetupUsing a Static IP with a DSL/Cable Modem Isdn Dial Backup Setup There are three options Access ControlConfiguring Isdn Dial Backup DI-304/DI-304M Isdn Remote Router Remote Access Remote Dial-In AccessCreating an Access Account for a Dial-in User IP Address Assignment for Dial-In UsersCallback Function LAN-to-LAN Access Head Office Dial-In Service Enable Start IP Address Branch OfficeActivating the Remote Dial-In Capability Dial-In Service Enable Start IP Address Creating a LAN-to-LAN Dialer ProfileDI-304/DI-304M Isdn Remote Router Dial-In Settings Common SettingsDial-Out Settings TCP/IP Network Settings Branch Office DI-304/DI-304M Isdn Remote Router Advanced Setup Enabling the Remote Activation FunctionPPP/MP Dial-Out Setup Call Control SetupDial Retry and Dial Delay Interval Basic SetupBandwidth On Demand BOD Setup Call Schedule Setup NAT Setup DMZ Host Setup Open Ports Setup Well-known Port Number List Static Route Setup IP Filter/Firewall SetupAn Overview of the Firewall General Setup DI-304/DI-304M Isdn Remote Router DI-304/DI-304M Isdn Remote Router Check to enable the Filter Rule Enable the filter rule Editing the Filter RulesDI-304/DI-304M Isdn Remote Router Restricting Unauthorized Internet Services Virtual TA Concepts Quick Setup Virtual TA Remote Capi SetupVirtual TA Application Installing a Virtual TA Client Configuring a Virtual TA Client/ServerCreating a User Profile Virtual TA ServerVirtual TA User Profiles Configuring the MSN Number System ManagementOnline Status Isdn StatusWAN Status Time SetupLAN Status Management Setup Management Port Setup Snmp SetupDiagnostic Tools ISDN/PPPoE/PPTP DiagnosticsBroadband Access Triggered Dial-out Packet HeaderView Routing Table View ARP Cache Table View Dhcp Assigned IP AddressesView NAT Port Redirection Running Table View NAT Active Sessions TableSysLog Setting Reboot System Firmware Upgrade DI-304/DI-304M Isdn Remote Router Appendix a Troubleshooting and FAQs Using the Telnet Terminal CommandsQuitting the Telnet Terminal Command HelpRecall Commands Viewing Call LogsViewing PPP Logs Viewing Isdn LogsDetailed Isdn log example Viewing WAN LogsWhy does the router dial out very often? FAQsWhat is the default IP address of the router? Why cant I connect to the Web Configurator?Appendix B Basic IP Concepts IP AddressesIP Network Classes Subnet Mask IP Port Numbers Appendix C IP Protocol and Port NumbersIP Protocol Numbers Appendix D Technical Specifications GeneralCTR-3 Index PPP/MPOffices Norway Link Norway Registration Card