User`s guide

ADSL/VoIP Gateway User’s Guide
56
Application TCP
port
number
UDP
port
number
Trigger
required?
Ping
N/A
(ICMP)
N/A
(ICMP)
false
Web connections (HTTP,
HTTPS)
80, 443 N/A false
51210 N/A true
DialPad
N/A
51200
51201
true
FTP 21 N/A false
Telnet 23 N/A false
Secure shell (SSH) 22 N/A false
Windows Media Services 1755 1755 false
Gnutella 6346 N/A false
Kazaa 1214 N/A false
Windows Terminal Server 3389 N/A false
DNS N/A 53 false
PPTP 1723 1723 false
Internet Key Exchange N/A 500 false
LDAP 389 N/A false
GRE
N/A
(GRE)
N/A
(GRE)
false
Databeam (T.120) 1503 N/A false
You can enable access to a common application from a specific
PC on your network. For more information, see Configuring
Internet applications on page 58.
If you want to allow access to an application that is not included
on the above list of common applications, you can create and
enable a custom application. For more information, see
Configuring custom applications on page 60.
Before you can configure your default NAT settings, you must
assign a unique name to each of the PCs on your network. See
Assigning PC Names on page 56.
Assigning PC Names
You must assign a name to each of the PCs on your network
before you can enable access to common applications or create
custom ones. This allows you to refer to PCs by name instead
of IP address.
1. From the left-hand Setup menu, click on Security. The
following page is displayed: