[Yeti DNS Discuss] 答复: BIND EDNS fallback and dnssec issue

Davey Song(宋林健) ljsong at biigroup.cn
Fri Mar 3 09:59:22 UTC 2017

This patch (attached) seems simply turn off the EDNS fallback by pruning one
case when it firstly receives from a unknown end server a response without
OPT and not truncated. The resolver I reported falls into this case and now
it works with the patch. I cc Mark Andrews here who gives us this patch. He
may be interested to introduce more and tell us whether this patch fits your

发件人: discuss [mailto:discuss-bounces at lists.yeti-dns.org] 代表 Daniel
发送时间: 2017年3月3日 15:51
收件人: discuss at lists.yeti-dns.org
主题: Re: [Yeti DNS Discuss] BIND EDNS fallback and dnssec issue

Hello Davey,

We have our occasional EDNS fallback issues on none-yeti (validating)
resolvers. I just recently posted a question about enforcing EDNS to the
bind user mailing list. See answer from Mark Andrews:


What is the patch you posted accomplishing exactly?

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