1040 CHAPTER 62: P ROTOCOL PORT SECURITY CONFIGURATION COMMANDSn The protocol port security function is short for TCP, UDP protocol port closechecking function. If a protocol is not enabled, this function can drop the packetwhose destination IP is the virtual interface IP of the switch, so that it reduces theunnecessary communications between the modules and the CPU operation of thefabric, and enhances the anti-interference ability of the switch to the packet.Example# Enable the protocol port security function. system-viewSystem View: return to User View with Ctrl+Z.[SW8800] ip portsafe enableip http shutdown Syntaxip http shutdownundo ip http shutdownViewSystem viewParameterNoneDescriptionUse the ip http shutdown command to shutdown the port 80 of the HTTPprotocol. After the execution of this command, all packets requiring the port 80 ofthis device will be dropped.Use the undo ip http shutdown command to enable the port 80 of the HTTPprotocol. After the execution of the command, all packets requiring the port 80 ofthid device will be responsed.By default, the port 80 of the HTTP protocol is enabled.Example# Shutdown the port 80 of the HTTP protocol. system-view[SW8800] ip http shutdownDHCP UDP:67,68 CloseNTP UDP:123 CloseSNMP-AGENT UDP:161 CloseRIP UDP:520 CloseMPLS LDP UDP:646 CloseRADIUS CLIENT UDP:1812 CloseRADIUS LOCAL SERVER UDP:1645,1646 OpenPORTAL SERVER UDP:2000 CloseTable 153 State of the protocol portProtocol Port Default State
