3Com Switch 8800 Family Configuration Guide

73
PROTOCOL PORT SECURITY
CONFIGURATION
Introduction to
Protocol Port Security
The protocol port security function is short for TCP, UDP protocol port close check
function. If a protocol is not enabled, this function can drop the packet whose
destination IP is the virtual interface IP of the switch, so that it reduces the
unnecessary communications between the modules and the CPU operation of the
fabric, and enhances the anti-interference ability of the switch to the packet.
Setting the State of
Protocol Port
Please 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 HTTP
Protocol port
Perform the following configurations in system view.
Tab le 807 Set the status of protocol port
Operation Command
Enable the protocol port security function ip portsafe enable
Disable the protocol port security function undo ip portsafe enable
Tab le 808 State of the protocol port
Protocol Port Default State
IGMP/IGSP PROTOCOL:2 Close
OSPF PROTOCOL:89 Close
PIM PROTOCOL:123 Close
SSH TCP:22 Close
TELNET TCP:23 Close
HTTP TCP:80 Open
BGP TCP:179 Close
MPLS LDP TCP:646 Close
DHCP UDP:67,68 Close
NTP UDP:123 Close
SNMP-AGENT UDP:161 Close
RIP UDP:520 Close
MPLS LDP UDP:646 Close
RADIUS CLIENT UDP:1812 Close
RADIUS LOCAL SERVER UDP:1645,1646 Open
PORTAL SERVER UDP:2000 Close