ADC Advanced Policy Expressions

DNS_PROTOCOL_T

June 28, 2023

Contributed by:

Models the DNS message types.

This topic lists the expressions that are provided by this class.

LENGTH

Returns the DNS packet length. In case of DNS-TCP, it includes 2 byte length field as well.

Returns: num_at

NEW_RESPONSE

Creates an empty DNS response based on request header.

Returns: text_t

NEW_RESPONSE (bool_at AA, bool_at TC, dns_rcode_e rcode)

Creates a new empty DNS response based on the given parameters.

Parameters (expressions not allowed):

AA- Authoritative Answer flag

TC- Truncated flag

rcode- Retrun Code

Returns: text_t

NEW_RRSET_AAAA (text_t iplist, uint ttl)

Creates a new RR set with the given ipv6 address and ttl parameters.

Parameters (expressions not allowed):

iplist- Comma separated IPv6 address list

ttl- Time To Live

Returns: text_t

NEW_RRSET_A (text_t iplist, uint ttl)

Creates a new RR set with the given ipv4 address and ttl parameters.

Parameters (expressions not allowed):

iplist- Comma separated IP address list

ttl- Time To Live

Returns: text_t

REQ

Operates on DNS Request.

Returns: dns_req_t

RES

Operates on DNS Response.

Returns: dns_res_t

RR

Operates on DNS Resource Record(RR).

Returns: dns_rr_t

The official version of this content is in English. Some of the Cloud Software Group documentation content is machine translated for your convenience only. Cloud Software Group has no control over machine-translated content, which may contain errors, inaccuracies or unsuitable language. No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, suitability, or correctness of any translations made from the English original into any other language, or that your Cloud Software Group product or service conforms to any machine translated content, and any warranty provided under the applicable end user license agreement or terms of service, or any other agreement with Cloud Software Group, that the product or service conforms with any documentation shall not apply to the extent that such documentation has been machine translated. Cloud Software Group will not be held responsible for any damage or issues that may arise from using machine-translated content.

Was this helpful

DNS_PROTOCOL_T

June 28, 2023

Contributed by:

June 28, 2023

Contributed by:

DNS_PROTOCOL_T

In this article