buglwIP - A Lightweight TCP/IP stack - Bugs: bug #56280, lwIP DNS need to support CNAME...


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bug #56280: lwIP DNS need to support CNAME Resource Record

Submitted by:  Gao Qingshui <kevingao>
Submitted on:  Tue 07 May 2019 07:32:55 AM UTC  
Category:  DNS Severity:  3 - Normal
Item Group:  Feature Request Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Planned Release:  None
lwIP version:  git head

Tue 14 May 2019 07:36:47 PM UTC, comment #2: 


Simon Goldschmidt <goldsimon>
Project Administrator
Tue 07 May 2019 06:04:09 PM UTC, comment #1: 

I don't see why. A recursive DNS server should do the recursion and answer all records up to A/AAAA (or whatever asked) records.

Sylvain Rochet <gradator>
Project Member
Tue 07 May 2019 07:32:55 AM UTC, original submission:  

As most of the DNS Standard query response contains CNAME resource record to declare the alias name of the domain name which need to be resolved, so I think lwIP need to support CNAME RR, else most of the DNS domain name resolution would be failed to make the DNS APIs unusable, such as getaddrinfo.

Gao Qingshui <kevingao>


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