ZyXEL VMG4927-B50A User Guide - Page 171
Port Forwarding: Services and Port Numbers, Port Forwarding Example
View all ZyXEL VMG4927-B50A manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 171 highlights
Chapter 11 Network Address Translation (NAT) Figure 93 NAT Application With IP Alias Port Forwarding: Services and Port Numbers The most often used port numbers are shown in the following table. Please refer to RFC 1700 for further information about port numbers. Table 65 Services and Port Numbers SERVICES ECHO FTP (File Transfer Protocol) SMTP (Simple Mail Transfer Protocol) DNS (Domain Name System) Finger HTTP (Hyper Text Transfer protocol or WWW, Web) POP3 (Post Office Protocol) NNTP (Network News Transport Protocol) SNMP (Simple Network Management Protocol) SNMP trap PPTP (Point-to-Point Tunneling Protocol) PORT NUMBER 7 21 25 53 79 80 110 119 161 162 1723 Port Forwarding Example Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server (A in the example), port 80 to another (B in the example) and assign a default server IP address of 192.168.1.35 to a third (C in the VMG4927-B50A / VMG9827-B50A User's Guide 171