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Page 216 / 229 Scroll up to view Page 211 - 215
Appendix B Setting Up Your Computer’s IP Address
NBG6716 User’s Guide
216
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 146
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 217 / 229
Appendix B Setting Up Your Computer’s IP Address
NBG6716 User’s Guide
217
Figure 147
openSUSE: Connection Status - KNetwork Manager
Page 218 / 229
NBG6716 User’s Guide
218
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 74
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 219 / 229
Appendix C Common Services
NBG6716 User’s Guide
219
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 74
Commonly Used Services (continued)
NAME
PROTOCOL
PORT(S)
DESCRIPTION
Page 220 / 229
Appendix C Common Services
NBG6716 User’s Guide
220
SQL-NET
TCP
1521
Structured Query Language is an interface to
access data on many different types of database
systems, including mainframes, midrange systems,
UNIX systems and network servers.
SSH
TCP/UDP
22
Secure Shell Remote Login Program.
STRM WORKS
UDP
1558
Stream Works Protocol.
SYSLOG
UDP
514
Syslog allows you to send system logs to a UNIX
server.
TACACS
UDP
49
Login Host Protocol used for (Terminal Access
Controller Access Control System).
TELNET
TCP
23
Telnet is the login and terminal emulation protocol
common on the Internet and in UNIX environments.
It operates over TCP/IP networks. Its primary
function is to allow users to log into remote host
systems.
TFTP
UDP
69
Trivial File Transfer Protocol is an Internet file
transfer protocol similar to FTP, but uses the UDP
(User Datagram Protocol) rather than TCP
(Transmission Control Protocol).
VDOLIVE
TCP
7000
Another videoconferencing solution.
Table 74
Commonly Used Services (continued)
NAME
PROTOCOL
PORT(S)
DESCRIPTION

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