simply input it.
Step 6: Select a proper protocol type: TCP, UDP, or Both
depending on which protocol(s) your internal host is using.
Step 7: Click Enable and save your settings.
For your reference, we collected a list of some well-known service
ports as follows:
Server
Web Server
FTP Server
Telnet
Net Meeting
MSN Messenger
PPTP VPN
Iphone5.0
SMTP
POP3
Wireless N301 Easy Setup Router
Protocol
Service Port
TCP
80
TCP
21
TCP
23
TCP
1503、1720
File Send:6891-6900(TCP)
TCP/UDP
Voice:1863, 6901(TCP)
Voice:1863, 5190(UDP)
TCP
1723
TCP
22555
TCP
25
TCP
110
.
85