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Fat AP and Cloud AP V200R010C00 Command Reference

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dns request-type check

dns request-type check


The dns request-type check command enables DNS request packet type detection.

The undo dns request-type check command disables DNS request packet type detection.


dns request-type check { start-type [ to end-type ] action | default-action } { alert | allow | block }

undo dns request-type check { all | start-type [ to end-type ] }


Parameter Description Value
start-type end-type Indicates the query type of a DNS packet. The value is an integer ranging from 0 to 65535. The value of end-type must be no smaller than that of start-type.
action Indicates the action. -
default-action Indicates the default action. -
allow The packet is permitted. -
alert The packet is permitted, and a log is recorded. -
block The packet is blocked, and a log is recorded. -
all Indicates all query types. -


Intrusion prevention profile view

Default Level

2: Configuration level

Usage Guidelines

To detect all query types, set a default action (default-action).

You can also detect a specified query type. When the DNS packet query type is as specified, the corresponding processing action is implemented. The default processing action applies to other query types.

By default, this function is disabled.


# In IPS profile profile1, enable DNS packet query type detection and set the default action to block.

<Huawei> system-view
[Huawei] profile type ips name profile1
[Huawei-profile-ips-profile1] dns request-type check default-action block
Updated: 2019-11-21

Document ID: EDOC1100064352

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