Virtual Private Networking Using SSL Connections
329
ProSecure Unified Threat Management (UTM) Appliance
Figure 202.
2. In the Add New Application for Port Forwarding section of the screen, specify information in
the following fields:
• IP Address. The IP address of an internal server or host computer that a remote user
has access to.
• TCP Port. The TCP port number of the application that is accessed through the SSL
VPN tunnel. The following table lists some commonly used TCP applications and port
numbers.
Table 86. Port-forwarding applications/TCP port numbers
TCP application Port number
FTP data (usually not needed) 20
FTP Control Protocol 21
SSH 22
a
Teln et 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
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