Chapter 3 • The User Interface
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51
The Help Menu
The
Help Menu
contains information about receive and transmit
modem status messages, the firewall, installation,
troubleshooting, and other topics. Review it to become familiar
with the User Interface and with the DW4020. Access it by
clicking on
Help
.
Note:
Print the answer to the entry in the User Interface
Troubleshooting page, “I am unable to access the DW4020 Web
interface. Ping doesn’t work also.” The information on this page
will help you if you cannot access the User Interface.
Table 8: Port numbers and protocols
Port Number
Internet Application or Protocol
7
Echo
21
FTP control port
23
Telnet
25
Simple Mail Transfer Protocol (SMTP)
53
Domain Name Server (DNS)
70
Gopher
79
Finger
80
Hyper Text Transfer Protocol (HTTP)
107
Remote Telnet Service (RTELNET)
110
Post Office Protocol - Version 3 (POP3)
119
Network News Transfer Protocol (NNTP)
6667
Internet Relay Chat (IRC)
Figure 42: Help Menu
Summary of Contents for DW4020
Page 5: ... iv 1031484 0001 Revision 3 ...
Page 11: ... Important safety information x 1031484 0001 Revision 2 ...
Page 45: ...Chapter 2 Installing the indoor equipment 32 1031484 0001 Revision 2 ...
Page 63: ...Chapter 3 The User Interface 50 1031484 0001 Revision 2 Figure 41 Firewall Settings ...
Page 79: ... Glossary 66 1031484 0001 Revision 2 ...
Page 81: ... Abbreviations and Acronyms 68 1031484 0001 Revision 2 ...
Page 133: ...Appendix D Configuring the installer laptop for IP addressing 120 1031484 0001 Revision 2 a ...
Page 135: ...Appendix E Installation checklist 122 1031484 0001 Revision 2 ...