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Common Services and Port Numbers, Configuring Virtual Server

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ZyXEL P-336M User's Guide You may enter a single port number or a range of port numbers to be forwarded, and the local IP address of the desired server. The port number identifies a service; for example, web service is on port 80 and FTP on port 21. In some cases, such as for unknown services or where one server can support more than one service (for example both FTP and web service), it might be better to specify a range of port numbers. You can allocate a server IP address that corresponds to a port or a range of ports. Many residential broadband ISP accounts do not allow you to run any server processes (such as a Web or FTP server) from your location. Your ISP may periodically check for servers and may suspend your account if it discovers any active services at your location. If you are unsure, refer to your ISP. 4.2.1 Common Services and Port Numbers The most often used port numbers are shown in the following table. Please refer to RFC 1700 for further information about port numbers. Table 16 Virtual Server: Common Services and Port Numbers SERVICES ECHO FTP (File Transfer Protocol) SMTP (Simple Mail Transfer Protocol) DNS (Domain Name System) Finger HTTP (Hyper Text Transfer protocol or WWW, Web) POP3 (Post Office Protocol) NNTP (Network News Transport Protocol) SNMP (Simple Network Management Protocol) SNMP trap PPTP (Point-to-Point Tunneling Protocol) PORT NUMBER 7 21 25 53 79 80 110 119 161 162 1723 4.2.2 Configuring Virtual Server To set the virtual server settings, click Advanced > Virtual Server to display the configuration screen. Chapter 4 Advanced 44

Section	Page
User’s Guide	1
Copyright	2
Federal Communications Commission (FCC) Interference Statement	3
ZyXEL Limited Warranty	5
Customer Support	6
Table of Contents	8
List of Figures	12
List of Tables	14
Preface	16
Getting Started	18
1.2 Features	18
1.3 Hardware Connection and Wizard Setup	19
1.3.1 Front Panel LEDs	19
The Web Configurator	20
2.1 Introduction	20
2.2 Login	20
2.3 The DEVICE INFO Screen	21
2.4 Web Configurator Screen Buttons	22
2.5 Saving Configuration Changes	22
2.6 Changing Your Password	23
Basic	24
3.1 Setup Wizards	24
3.2 WAN Overview	25
3.2.1 WAN IP Address Assignment	25
3.2.2 DNS Server Address Assignment	25
3.2.3 WAN Configuration	26
3.2.4 WAN Configuration: Static IP	27
3.2.5 WAN Configuration: PPPoE	28
3.3 LAN Setup	30
3.4 DHCP Overview	30
3.4.1 IP Pool Setup	31
3.4.2 DHCP Setup	31
3.5 Wireless LAN Overview	33
3.5.1 SSID	33
3.5.2 Channel	33
3.5.3 Transmission Rate (Tx Rate)	33
3.5.3.1 SuperGTM	33
3.6 Basic Wireless LAN Setup	33
3.7 Wireless LAN Security Overview	35
3.7.1 WEP	35
3.7.1.1 Authentication Type	35
3.7.2 IEEE 802.1x	36
3.7.2.1 EAP Authentication	36
3.7.3 WPA(2)	36
3.7.3.1 User Authentication	36
3.7.3.2 Encryption	36
3.8 WLAN Security Setup	37
3.8.1 WLAN Security Setup: WEP	37
3.8.2 WLAN Security Setup: WPA-Personal	39
3.8.3 WLAN Security Setup: WPA-Enterprise	39
Advanced	42
4.1 Game Hosting	42
4.2 Virtual Server	43
4.2.1 Common Services and Port Numbers	44
4.2.2 Configuring Virtual Server	44
4.3 Applications	46
4.3.1 ALG	46
4.3.2 Port Triggering	46
4.3.3 Configuring Special Applications	47
4.4 StreamEngine	49
4.5 Routing	52
4.6 Access Control	53
4.7 Web Filter	55
4.8 MAC Filter	56
4.9 Firewall	58
4.9.1 DMZ	58
4.9.2 Configuring Firewall	58
4.10 Inbound Filter	59
4.11 Wireless	61
4.11.1 RTS/CTS	61
4.11.2 Fragmentation Threshold	62
4.11.3 Configuring Advanced Wireless Settings	62
4.12 Schedule	64
Tools	66
5.1 Administrator Settings	66
5.1.1 Login Accounts	66
5.1.2 UPnP	66
5.1.3 The Admin Screen	66
5.1.4 Configuration Backup	68
5.1.5 Configuration Restore	69
5.2 System Time and Date	70
5.3 Syslog	72
5.4 E-mail	73
5.5 System	75
5.5.1 Rebooting Your P-336M	75
5.5.2 Device Reset	75
5.6 Firmware	76
5.7 DDNS	77
Status	80
6.1 Device Info	80
6.2 Wireless	82
6.3 Logs	82
6.4 Statistics	83
Types of EAP Authentication	86
EAP-MD5 (Message-Digest Algorithm 5)	86
EAP-TLS (Transport Layer Security)	86
EAP-TTLS (Tunneled Transport Layer Service)	86
PEAP (Protected EAP)	87
LEAP	87
Dynamic WEP Key Exchange	87
WPA	88
User Authentication	88
Encryption	88
Security Parameters Summary	89
Setting up Your Computer’s IP Address	90
Windows 95/98/Me	90
Installing Components	91
Configuring	92
Verifying Settings	93
Windows 2000/NT/XP	93
Verifying Settings	97
Macintosh OS 8/9	97
Verifying Settings	99
Macintosh OS X	99
Verifying Settings	100
Index	102
A	102
C	102
D	102
E	102
F	102
G	102
H	102
I	102
M	102
N	102
P	103
Q	103
R	103
S	103
T	103
U	103
W	103

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ZyXEL P-336M User’s Guide

Chapter 4 Advanced

You may enter a single port number or a range of port numbers to be forwarded, and the local

IP address of the desired server. The port number identifies a service; for example, web service

is on port 80 and FTP on port 21. In some cases, such as for unknown services or where one

server can support more than one service (for example both FTP and web service), it might be

better to specify a range of port numbers. You can allocate a server IP address that corresponds

to a port or a range of ports.

Many residential broadband ISP accounts do not allow you to run any server processes (such

as a Web or FTP server) from your location. Your ISP may periodically check for servers and

may suspend your account if it discovers any active services at your location. If you are

unsure, refer to your ISP.

4.2.1

Common Services and Port Numbers

The most often used port numbers are shown in the following table. Please refer to RFC 1700

for further information about port numbers.

4.2.2

Configuring Virtual Server

To set the virtual server settings, click

Advanced > Virtual Server

to display the

configuration screen.

Table 16

Virtual Server: Common Services and Port Numbers

SERVICES

PORT NUMBER

ECHO

FTP (File Transfer Protocol)

SMTP (Simple Mail Transfer Protocol)

DNS (Domain Name System)

Finger

HTTP (Hyper Text Transfer protocol or WWW, Web)

POP3 (Post Office Protocol)

110

NNTP (Network News Transport Protocol)

119

SNMP (Simple Network Management Protocol)

161

SNMP trap

162

PPTP (Point-to-Point Tunneling Protocol)

1723