Inscape Data LinkPower LPS1800 Series, User Manual

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Page 41
Revision 1.0
7.2 TCP/UDP Filter
【
Function Enable
】
(Function Enable) drop-down boxes
“ Enable ”makes this function be available ,
otherwise it is invalid.
【
Port Filter rules
】
(Port Filter Rule) option Deny is said the selected protocol Port message is
discarded, other protocol Port is forwarded message, Allow is said the selected protocol Port is
forwarded message, other protocol Port packet is discarded.
【
Secure Port
】
is said set TCP/UDP filtering function switches WAN Port;
【
Protocol
】
includes 20 different network protocols. In addition, UserDEF_a, UserDEF_b and
UserDEF_c protocols are user customized port protocols (the three agreements should be set in
"Qos based on TCP/UDP" page Settings first)
For example, this
“Enable” function , set port filtering rules as “Deny”, choose “secure port01”, choose
the Protcol agreement. as
“FTP ”. After the success of the configuration, switches port01 will discard
the FTP protocol packets.