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device or server to provide normal service to legitimate users, as the following picture:
【
Instructions
】
Open the anti DOS attack function, intercept Land attack packets, illegal TCP packets, to
ensure that the device or server provide normal service to legitimate users.
【
Configuration Example
】
Such as: Open the anti DOS attack function
4.4.1.3 IP source guard
In the navigation bar select
“Fault/Safety>Anti Attack>IP Source Guard”
, through the
source port security enabled, on port forwarding the packet filter control, prevent illegal
message through the port, thereby limiting the illegal use of network resources, improve
the safety of the port, as the following picture:
【
Instructions
】
Add the port that is currently being used as an IP source protection enable port, the port
will not be able to use.