SKYUS 100BSERIES USER GUIDE
79
Port Forwarding
To turn on port forwarding, move the
ON/OFF
slider to
ON
.
To turn off port forwarding, so that any application can connect to the Internet, move the slider to
OFF
.
Port Forwarding Applications
Check the box next to each Port Forwarding application that you want to allow.
If you want to limit service for an application to a single connected device, enter the IP address of the
target device in the application’s
IP Address
field.
Click
Save Changes
.
The following table provides port numbers and protocol information for each port forwarding
application listed.
Application Name
Port
TCP
STCP
*
UDP
*
DNS
53
Yes
No
Yes
FTP control (command)
FTP data transfer
21
20
Yes
Yes
Yes
Yes
Assigned
Assigned
HTTP
HTTPS
80
443
Yes
Yes
Yes
Yes
Assigned
Assigned
NNTP
119
Yes
No
Assigned
POP3
POP3S
110
995
Yes
Yes
No
No
Assigned
Yes
SMTP
SecureSMTP
25
465
Yes
Yes
No
No
Assigned
No
SNMP
161
Assigned
No
Yes
Telnet
23
Yes
No
Assigned
TFTP
69
Assigned
No
Yes
Yes
indicates the protocol is standardized for the port number.
No
indicates the protocol is standardized for the port number.
Assigned
indicatestheportnumberisassignedbyIANA(InternetAssignedNumbersAuthority)forprotocoluse,but
may not be standardized.
