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Appendix B Setting Up Your Computer’s IP Address
NBG6817 User’s Guide
191
Figure 115
openSUSE 10.3: Network Card Setup
6
Select
Dynamic Address (DHCP)
if you have a dynamic IP address.
Select
Statically assigned IP Address
if you have a static IP address. Fill in the
IP address
,
Subnet mask
, and
Hostname
fields.
7
Click
Next
to save the changes and close the
Network Card Setup
window.
8
If you know your DNS server IP address(es), click the
Hostname/DNS
tab in
Network Settings
and then enter the DNS server information in the fields provided.
Page 192 / 209
Appendix B Setting Up Your Computer’s IP Address
NBG6817 User’s Guide
192
9
Click
Finish
to save your settings and close the window.
Verifying Settings
Click the
KNetwork Manager
icon on the
Task bar
to check your TCP/IP properties. From the
Options
sub-menu, select
Show Connection Information
.
Figure 116
openSUSE 10.3: KNetwork Manager
When the
Connection Status - KNetwork Manager
window opens, click the
Statistics tab
to
see if your connection is working properly.
Page 193 / 209
Appendix B Setting Up Your Computer’s IP Address
NBG6817 User’s Guide
193
Figure 117
openSUSE: Connection Status - KNetwork Manager
Page 194 / 209
NBG6817 User’s Guide
194
A
PPENDIX
C
Common Services
The following table lists some commonly-used services and their associated protocols and port
numbers. For a comprehensive list of port numbers, ICMP type/code numbers and services, visit
the IANA (Internet Assigned Number Authority) web site.
•
Name
: This is a short, descriptive name for the service. You can use this one or create a
different one, if you like.
•
Protocol
: This is the type of IP protocol used by the service. If this is
TCP/UDP
, then the service
uses the same port number with TCP and UDP. If this is
USER-DEFINED
, the
Port(s
) is the IP
protocol number, not the port number.
•
Port(s)
: This value depends on the
Protocol
. Please refer to RFC 1700 for further information
about port numbers.
•
If the
Protocol
is
TCP
,
UDP
, or
TCP/UDP
, this is the IP port number.
•
If the
Protocol
is
USER
, this is the IP protocol number.
•
Description
: This is a brief explanation of the applications that use this service or the situations
in which this service is used.
Table 61
Commonly Used Services
NAME
PROTOCOL
PORT(S)
DESCRIPTION
AH
(IPSEC_TUNNEL)
User-Defined
51
The IPSEC AH (Authentication Header) tunneling
protocol uses this service.
AIM/New-ICQ
TCP
5190
AOL’s Internet Messenger service. It is also used as
a listening port by ICQ.
AUTH
TCP
113
Authentication protocol used by some servers.
BGP
TCP
179
Border Gateway Protocol.
BOOTP_CLIENT
UDP
68
DHCP Client.
BOOTP_SERVER
UDP
67
DHCP Server.
CU-SEEME
TCP
UDP
7648
24032
A popular videoconferencing solution from White
Pines Software.
DNS
TCP/UDP
53
Domain Name Server, a service that matches web
names (for example
www.zyxel.com
) to IP
numbers.
ESP
(IPSEC_TUNNEL)
User-Defined
50
The IPSEC ESP (Encapsulation Security Protocol)
tunneling protocol uses this service.
FINGER
TCP
79
Finger is a UNIX or Internet related command that
can be used to find out if a user is logged on.
FTP
TCP
TCP
20
21
File Transfer Program, a program to enable fast
transfer of files, including large files that may not
be possible by e-mail.
H.323
TCP
1720
NetMeeting uses this protocol.
HTTP
TCP
80
Hyper Text Transfer Protocol - a client/server
protocol for the world wide web.
Page 195 / 209
Appendix C Common Services
NBG6817 User’s Guide
195
HTTPS
TCP
443
HTTPS is a secured http session often used in e-
commerce.
ICMP
User-Defined
1
Internet Control Message Protocol is often used for
diagnostic or routing purposes.
ICQ
UDP
4000
This is a popular Internet chat program.
IGMP (MULTICAST)
User-Defined
2
Internet Group Management Protocol is used when
sending packets to a specific group of hosts.
IKE
UDP
500
The Internet Key Exchange algorithm is used for
key distribution and management.
IRC
TCP/UDP
6667
This is another popular Internet chat program.
MSN Messenger
TCP
1863
Microsoft Networks’ messenger service uses this
protocol.
NEW-ICQ
TCP
5190
An Internet chat program.
NEWS
TCP
144
A protocol for news groups.
NFS
UDP
2049
Network File System - NFS is a client/server
distributed file service that provides transparent file
sharing for network environments.
NNTP
TCP
119
Network News Transport Protocol is the delivery
mechanism for the USENET newsgroup service.
PING
User-Defined
1
Packet INternet Groper is a protocol that sends out
ICMP echo requests to test whether or not a remote
host is reachable.
POP3
TCP
110
Post Office Protocol version 3 lets a client computer
get e-mail from a POP3 server through a temporary
connection (TCP/IP or other).
PPTP
TCP
1723
Point-to-Point Tunneling Protocol enables secure
transfer of data over public networks. This is the
control channel.
PPTP_TUNNEL
(GRE)
User-Defined
47
PPTP (Point-to-Point Tunneling Protocol) enables
secure transfer of data over public networks. This is
the data channel.
RCMD
TCP
512
Remote Command Service.
REAL_AUDIO
TCP
7070
A streaming audio service that enables real time
sound over the web.
REXEC
TCP
514
Remote Execution Daemon.
RLOGIN
TCP
513
Remote Login.
RTELNET
TCP
107
Remote Telnet.
RTSP
TCP/UDP
554
The Real Time Streaming (media control) Protocol
(RTSP) is a remote control for multimedia on the
Internet.
SFTP
TCP
115
Simple File Transfer Protocol.
SMTP
TCP
25
Simple Mail Transfer Protocol is the message-
exchange standard for the Internet. SMTP enables
you to move messages from one e-mail server to
another.
SNMP
TCP/UDP
161
Simple Network Management Program.
SNMP-TRAPS
TCP/UDP
162
Traps for use with the SNMP (RFC:1215).
Table 61
Commonly Used Services (continued)
NAME
PROTOCOL
PORT(S)
DESCRIPTION

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