73 PROTOCOL PORT S ECURITYCONFIGURATIONIntroduction toProtocol Port SecurityThe protocol port security function is short for TCP, UDP protocol port close checkfunction. If a protocol is not enabled, this function can drop the packet whosedestination 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.Setting the State ofProtocol PortPlease perform the following configuration in system view.By default, the protocol port security function is enabled.At present, the following protocols are being checked:Set the State of HTTPProtocol portPerform the following configurations in system view.Table 807 Set the status of protocol portOperation CommandEnable the protocol port security function ip portsafe enableDisable the protocol port security function undo ip portsafe enableTable 808 State of the protocol portProtocol Port Default StateIGMP/IGSP PROTOCOL:2 CloseOSPF PROTOCOL:89 ClosePIM PROTOCOL:123 CloseSSH TCP:22 CloseTELNET TCP:23 CloseHTTP TCP:80 OpenBGP TCP:179 CloseMPLS LDP TCP:646 CloseDHCP 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 Close