Asus SL1200 - Manual (Page 84)

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Chapter 9 - Configuring Firewall/NAT Settings
ASUS SL1200
Field Description
Single This option allows you to apply this rule to an application with
a specific source port number.
Port Number Enter the source port number
Range Select this option if you want this rule to apply to applications
with this port range. The following fields become available for
entry when this option is selected.
Begin Enter the starting port number of the range
End Enter the ending port number of the range
Destination Port
This option allows you to set the destination port to which this rule should apply. Use
the drop-down list to select one of the following options:
Any Select this option if you want this rule to apply to all
applications with an arbitrary destination port number.
Single, Range Select any of these and enter details as described in the
Source Port section above.
Service This option allows you to select any of the pre-configured
services from the drop-down list instead of the destination
port. The following are examples of services:
BATTLE-NET, PC-ANYWHERE, FINGER, DIABLO-II,
L2TP, H323GK, CUSEEME, MSN-ZONE, ILS, ICQ_2002,
ICQ_2000, MSN, AOL, RPC, RTSP7070, RTSP554,
QUAKE, N2P, PPTP, MSG2, MSG1, IRC, IKE, H323, IMAP4,
HTTPS, DNS, SNMP, NNTP, POP3, SMTP, HTTP, FTP,
TELNET.
Note: Service is a combination of protocol and port number.
They appear after you add them in the “Firewall Service”
configuration page.
Protocol
This option allows you to select protocol type from a drop-down list. Available settings
are All, TCP, UDP, ICMP, AH and ESP. If you select “service” for the destination port,
this option will not be available.