3com 8807 Guia Do Utilizador
73
P
ROTOCOL
P
ORT
S
ECURITY
C
ONFIGURATION
Introduction to
Protocol Port Security
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.
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.
Table 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
Table 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