Vonage VDV21-VD User Guide - Page 55

Service, Protocol, Port Number, Setting up Port Forwarding, Port Setting, Advanced Setup, Caution

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Vonage V-Portal User Guide Port Forwarding is used when you want to provide public access to services running on your private LAN (such as a web server, e-mail server or FTP server). When a firewall is enabled, certain ports on a LAN may be blocked. Port forwarding allows incoming traffic from the Internet and directs it to specific services on your LAN based on the configured IP address and port number. In other words, requests from users are sent to your network via the Internet, and the VPortal will forward these requests to the appropriate port on the PC. The specific port forwarding rules you need to implement will be detailed in the applications' documentation. For your convenience, we have included a table of commonly used port numbers below. Service HTTP FTP TFTP SMTP POP3 NNTP Telnet IRC SNMP Finger Gopher Whois Rtelnet LDAP UUCP Protocol TCP TCP UDP Both TCP TCP Both TCP Both TCP TCP TCP TCP Both TCP Port Number 80 21 69 25 110 119 23 194 161 79 70 43 107 389 540 Setting up Port Forwarding Caution: Incorrectly changing these settings may interrupt your Internet or voice service or increase the vulnerability of computers on your home network to hacker attacks. We recommend that only users with advanced networking knowledge change these settings. To setup Port forwarding: From the home page, click on the Advanced Setup tab. The Port Setting screen will be displayed. The Port Forwarding section is at the top of that screen: View the Terms of Service by visiting the Vonage website at www.vonage.com/tos. Pay particular attention to 55 Section 11 which explains limitations on Warranty, Remedy and Liability.

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Vonage V-Portal User Guide
Port Forwarding is used when you want to provide public access to services running on your
private LAN (such as a web server, e-mail server or FTP server). When a firewall is enabled,
certain ports on a LAN may be blocked. Port forwarding allows incoming traffi
c from the Internet
nd directs it to specific services on your LAN based on the configured IP address and port
quests from users are sent to your network via the Internet, and the V-
ortal will forward these requests to the appropriate port on the PC.
applications’
ocumentation. For your convenience, we have included a table of commonly used port numbers
below.
Service
Protocol
Port Number
a
number. In other words, re
P
The specific port forwarding rules you need to implement will be detailed in the
d
HTTP
TCP
80
FTP
TCP
21
TFTP
UDP
69
SMTP
Both
25
POP3
TCP
110
NNTP
TCP
119
Telnet
Both
23
IRC
TCP
194
SNMP
Both
161
Finger
TCP
79
Gopher
TCP
70
Whois
TCP
43
Rtelnet
TCP
107
LDAP
Both
389
UUCP
TCP
540
Setting up Port Forwarding
Caution
: Incorrectly cha
increase the vulnerability of computers on your home network to hacker attacks. We recommend
that only users with advanced networking knowledge change these settings.
nging these settings may interrupt your Internet or voice service or
Port Setting
screen will be
screen:
To setup Port forwarding:
Fro
, click on the
Advanced Setup
tab. The
displayed. The Port Forwarding section is at the top of that
m the home page
View the Terms of Service by visiting the Vonage website at www.vonage.com/tos. Pay particular attention to
Section 11 which explains limitations on Warranty, Remedy and Liability.
55