ProSecure Unified Threat Management (UTM) Appliance Reference Manual
8-12 Virtual Private Networking Using SSL Connections
v1.0, January 2010
TCP Port NumberAction The TCP port number of the application that is accessed through the SSL
VPN tunnel. Below are some commonly used TCP applications and port
numbers.
FTP Data (usually not needed) 20
FTP Control Protocol 21
SSH 22
a
Tel net 23
a
SMTP (send mail) 25
HTTP (web) 80
POP3 (receive mail) 110
NTP (network time protocol) 123
Citrix 1494
Terminal Services 3389
VNC (virtual network computing) 5900 or 5800
Add New Host Name for Port Forwarding
Local Server IP Address The IP address of an internal server or host computer that you want to name.
Note: Both Local Server IP Address fields on this screen (that is, the one in
the Add New Application for Port Forwarding section and the one in the Add
New Host Name for Port Forwarding section) must contain the same IP
address.
Fully Qualified Domain
NameAction
The full server name, that is, the “host-name-to-IP-address-resolution” for the
network server as a convenience for remote users.
a. Users can specify the port number together with the host name or IP address.
Table 8-5. SSL VPN Wizard Step 5: Port Forwarding Settings (continued)
Item Description (or Subfield and Description)