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13-22 User’s Reference Guide
FTP sessions. To allow WAN-originated FTP sessions to a LAN-based FTP server with the IP address a.b.c.d
(corresponding to a numbered IP address such as 163.176.8.243), insert the following input filter ahead of the
current input filter 1:
■ Enabled: Yes
■ Forward: Yes
■ Source IP Address: 0.0.0.0
■ Source IP Address Mask: 0.0.0.0
■ Dest. IP Address: a.b.c.d
■ Dest. IP Address Mask: 255.255.255.255
■ Protocol Type: TCP
■ Source Port Comparison: No Compare
■ Source Port ID: 0
■ Dest. Port Comparison: Equal
■ Dest. Port ID: 21
Note: A similar filter could be used to permit Telnet or WWW access. Set the Dest. Port ID to 23 for Telnet or to
80 for WWW.
AURP tunnel. To allow an AURP tunnel between a remote AURP router with the IP address a.b.c.d
(corresponding to a numbered IP address such as 163.176.8.243) and a local AURP router (including the
Netopia R5000 Series Router itself), insert the following input filter ahead of the current input filter 1:
■ Enabled: Yes
■ Forward: Yes
■ Source IP Address: a.b.c.d
■ Source IP Address Mask: 255.255.255.255
■ Dest. IP Address: 0.0.0.0
■ Dest. IP Address Mask: 0.0.0.0
■ Protocol Type: UDP
■ Source Port Comparison: Equal
■ Source Port ID: 387
■ Dest. Port Comparison: Equal
■ Dest. Port ID: 387