Step 6: 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 TCP/UDP
PPTP VPN
Iphone5.0
SMTP
POP3
Protocol Service Port
TCP
80
TCP
21
TCP
23
TCP
1503、1720
File Send:6891‐6900(TCP)
Voice:1863, 6901(TCP)
Voice:1863, 5190(UDP)
TCP
1723
TCP
22555
TCP
25
TCP
110
70
Wireless N450 Home Router